The spinning melt of entering spinning manifold is metered into composite spining module through measuring pump separately, and wherein the island components by weight is 50:50, and the island number is 61 islands; Extrude the compound monofilament of formation through spinnerets; Through the lateral blowing cooling, oil, curl and store in the silk bucket through the sunflower roller; Before the winding speed of spinning be 500m/min, the intrafascicular former silk size of preceding spinning is 16dtex.

Through the creel boundling, through two road drawing-off groove drawing-offs, the total draft multiple is 3.0 times then with the tow of the silk bucket of some, and drawing temperature is 95 ℃.Tow after the drawing-off gets into crimper and curls through the nervous typing of 150 ℃ of vapourss, and crimpness is 15/inch, gets into the finish spray equipment then, is sent to the drying box dryness finalization that relaxes, and the temperature in drying box three districts is 95 ℃, and 105 ℃, 115 ℃.The tow that drying is good is cut to the staple fibre of 38mm, and through baling press packing finished product, the fiber number of finished fiber single fiber is controlled at 6.0dtex at last.

Embodiment 3

The island ultrafine fiber of present embodiment comprises island component, sea component in this fiber, the percentage by weight of the two is 80%:20%, and wherein, the island component is polyamide PA6, and sea component is PS;

With PA6 (polyamide) as the island component; Through the super-dry moisture 80PPM of being controlled at that guarantees to cut into slices; PS (polystyrene) is as sea component; Put into respectively in the storage tank separately, get into separately screw extruder melted by heating, filtration, be transported to spinning manifold through melt pipe then through feeding system.The island component is controlled as follows in each regional temperature:

The spinning melt of entering spinning manifold is metered into composite spining module through measuring pump separately, and wherein composition weight ratio in island is controlled to be 80:20, and the island number is 61 islands; Extrude the compound monofilament of formation through spinnerets; Through the lateral blowing cooling, oil, curl and store in the silk bucket through the sunflower roller; The winding speed of spinning is 1000m/min, and the intrafascicular former silk size of preceding spinning is 12dtex.

The tow of the silk bucket of some through the creel boundling, is got into the drawing-off of twice drawing-off groove then, and the total draft multiple is 3.0 times, and drawing temperature is 200 ℃.Tow after drawing-off gets into crimper again and curls through the nervous typing of 120 ℃ of vapourss, and crimpness is 15/inch; Get into the finish spray equipment then, be sent to the drying box dryness finalization that relaxes, the temperature in drying box three districts is 90 ℃, 100 ℃, and 110 ℃.The tow that drying is good is cut to the staple fibre of 51mm, and through the baling press packing, the fiber number of finished fiber single fiber is controlled at 4.5dtex at last.

Embodiment 4

With PA6 (polyamide) as the island component; Through the super-dry moisture 60PPM of being controlled at that guarantees to cut into slices, PE (polyethylene) puts into respectively in the storage tank separately as sea component; Get into separately screw extruder melted by heating, filtration through feeding system, be transported to spinning manifold through melt pipe then.The island component is controlled as follows in each regional temperature:

The spinning melt of entering spinning manifold is metered into composite spining module through measuring pump separately, and wherein the island component ratio is controlled to be PA6:PE=50:50, and the island number is 61 islands; Extrude the compound monofilament of formation through spinnerets; Through the lateral blowing cooling, oil, curl and store in the silk bucket through the sunflower roller; The winding speed of spinning is 1500m/min, and the intrafascicular former silk size of preceding spinning is 12dtex.

Through the creel boundling, through two road drawing-off groove drawing-offs, the total draft multiple is 4.5 times then with the tow of the silk bucket of some, and drawing temperature is 75 ℃.Tow after the drawing-off gets into crimper and curls through the nervous typing of 110 ℃ of vapourss, and crimpness is 22/inch, gets into the finish spray equipment then, is sent to the drying box dryness finalization that relaxes, and the temperature in drying box three districts is 85 ℃, and 95 ℃, 105 ℃.The tow that drying is good is cut to the staple fibre of 51mm, and through baling press packing finished product, the fiber number of finished fiber single fiber is controlled at 2.5dtex at last.

Embodiment 5

With PA6 (polyamide) as the island component; Through the super-dry moisture 50PPM of being controlled at that guarantees to cut into slices; PE (polyethylene) puts into respectively in the storage tank separately as sea component, with black Masterbatch (PA6 is a carrier) through the 3rd component feeding system; Get into separately screw extruder melted by heating, filtration through feeding system together, be transported to spinning manifold through melt pipe then.The island component is controlled as follows in each regional temperature:

The spinning melt of entering spinning manifold is metered into composite spining module through measuring pump separately, and wherein the island component ratio is controlled to be PA6: Masterbatch: PE=57:3:40, island number are 61 islands; Extrude the compound monofilament of formation through spinnerets; Through the lateral blowing cooling, oil, curl and store in the silk bucket through the sunflower roller; The winding speed of spinning is 2000m/min, and the intrafascicular former silk size of preceding spinning is 15dtex.

Through the creel boundling, through two road drawing-off groove drawing-offs, the total draft multiple is 3.5 times then with the tow of the silk bucket of some, and drawing temperature is 80 ℃.Tow after the drawing-off gets into crimper and curls through the nervous typing of 130 ℃ of vapourss, and crimpness is 25/inch, gets into the finish spray equipment then, is sent to the drying box dryness finalization that relaxes, and the temperature in drying box three districts is 95 ℃, and 105 ℃, 110 ℃.The tow that drying is good is cut to the staple fibre of 51mm, and through baling press packing finished product, the fiber number of finished fiber single fiber is controlled at 4.5dtex at last, and this fiber is opened fine back through toluene and formed black silk micro staple fiber.

Embodiment 6

The manufacturing approach of island ultrafine fiber synthetic leather base cloth may further comprise the steps:

PA6 (island component) that from embodiment 1, obtains and the figured type micro staple fiber of low density polyethylene (LDPE) PE (sea component) 60/40, cotton through shredding, adopt carding machine to be carded to the single layer fibre net, after form the composite bed fibre web through cross lapping machine.Fibre web by platform acupuncture, adds up needling density 1000 pins/cm through follow-up some needing machines²It is 0.23g/cm that the back forms density³Needle punched non-woven fabrics.Needle punched non-woven fabrics through 30 ℃ calender roll-in, forms apparent density 0.29g/cm again through after 130 ℃ the hot-air heat treatment³Needle fabric.

The non-weaving cloth that obtains is through polyurethane solutions (solvent is DMF, and solid content is 19%) dipping, and this polyurethane mainly is by 4, and 4 '-methyl diphenylene diisocyanate and polyol reaction obtain, wherein the percentage by weight 50% of polyalcohol.The polyalcohol that polyurethane adopts is 100% polytetramethylene ether diol; Non-weaving cloth is 25% in DMF concentration after the polyurethane impregnated; Fully solidify in the aqueous solution that temperature is 25 ℃; Fully wash at 40 ℃ multi-region rinsing bowl then and form synthetic leather dipping base material, the repeatedly immersion in 85 ℃ of toluene solutions then of dipping base material, pressure roller squeezing are handled and are decided island micro staple fiber polyethylene sea component to extract, and make it to realize the super-refinement of fiber.Base material after toluene is extracted out fully gets into the azeotropic distillation in 90 ℃ of water, and the residual toluene of base material is removed, and last, base material carries out drying in 120-150 ℃ multi-region air oven.Preparing the width of cloth of going out is 142cm, and density is 0.36mm, and the average fineness of superfine fibre is 0.02dtex, and every superfine fibre bundle contains the island ultrafine fiber synthetic leather base cloth of 61 superfine fibres.

Base cloth is carried out the residual test with polyurethane content of polyethylene, and the result is about 38% for polyurethane content, and polyethylene is residual to be 0.2%.

The sand paper that utilizes 400 order granularities then carries out the flour milling of positive and negative to the superfine fiber chemical leather base cloth, and very short matte is played on the surface, forms the suede base cloth.

Embodiment 7

PA6 (island component) that from embodiment 4, obtains and the figured type micro staple fiber of low density polyethylene (LDPE) PE (sea component) 50/50, cotton through shredding, adopt carding machine to be carded to the single layer fibre net, after form the composite bed fibre web through cross lapping machine.Fibre web by platform acupuncture, adds up needling density 2000 pins/cm through follow-up some needing machines²It is 0.28g/cm that the back forms density³Needle punched non-woven fabrics.Needle punched non-woven fabrics through 80 ℃ calender roll-in, forms apparent density 0.36g/cm again through after 160 ℃ the hot-air heat treatment³Needle fabric.

The non-weaving cloth that obtains is through polyurethane solutions (solvent is DMF, and solid content is 23%) dipping, and this polyurethane mainly is by 4, and 4 '-methyl diphenylene diisocyanate and polyol reaction obtain, wherein the percentage by weight 80% of polyalcohol.The polyalcohol that polyurethane adopts is 100% polytetramethylene ether diol; Non-weaving cloth is 35% in DMF concentration after the polyurethane impregnated; Fully solidify in the aqueous solution that temperature is 35 ℃; Fully wash at 95 ℃ multi-region rinsing bowl then and form synthetic leather dipping base material, the dipping base material repeatedly immersion in 85 ℃ of toluene solutions then/pressure roller squeezing is handled and is decided island micro staple fiber polyethylene sea component to extract, and makes it to realize the super-refinement of fiber.Base material after toluene is extracted out fully gets into the azeotropic distillation in 90 ℃ of water, and the residual toluene of base material is removed, and last, base material carries out drying in 120-150 ℃ multi-region air oven.Preparing the width of cloth of going out is 146cm, and density is 0.41mm, and the average fineness of superfine fibre is 0.03dtex, and every superfine fibre bundle contains the island ultrafine fiber synthetic leather base cloth of 61 superfine fibres.

Base cloth is carried out the residual test with polyurethane content of polyethylene, and the result is about 50% for polyurethane content, and polyethylene is residual to be 0.6%.

The sand paper that utilizes 800 order granularities then carries out the flour milling of positive and negative to the superfine fiber chemical leather base cloth, and very short matte is played on the surface, forms the suede base cloth.

Embodiment 8

The figured type micro staple fiber of PA6 (island component)/low density polyethylene (LDPE) PE (sea component)/Masterbatch=57/40/3 that from embodiment 5, obtains, cotton through shredding, adopt carding machine to be carded to filament web, after form fibre web through cross lapping machine.Fibre web by platform acupuncture, adds up needling density 1500 pins/cm through follow-up some needing machines²It is 0.25g/cm that the back forms density³Needle punched non-woven fabrics.Needle punched non-woven fabrics through 80 ℃ calender roll-in, forms apparent density 0.32g/cm again through after 150 ℃ the hot-air heat treatment³Needle fabric.

The non-weaving cloth that obtains is through polyurethane solutions (solvent is DMF, and solid content is 21%) dipping, and this polyurethane mainly is by 4, and 4 '-methyl diphenylene diisocyanate and polyol reaction obtain, and wherein the percentage by weight of polyalcohol is 65%.The polyalcohol that polyurethane adopts is 100% polytetramethylene ether diol; Non-weaving cloth is 30% in DMF concentration after the polyurethane impregnated; Fully solidify in the aqueous solution that temperature is 30 ℃; Fully wash at 70 ℃ multi-region rinsing bowl then and form synthetic leather dipping base material, the dipping base material repeatedly immersion in 85 ℃ of toluene solutions then/pressure roller squeezing is handled and is decided island micro staple fiber polyethylene sea component to extract, and makes it to realize the super-refinement of fiber.Base material after toluene is extracted out fully gets into the azeotropic distillation in 90 ℃ of water, and the residual toluene of base material is removed, and last, base material carries out drying in 120-150 ℃ multi-region air oven.Preparing the width of cloth of going out is 145cm, and density is 0.38mm, and the average fineness of superfine fibre is 0.05dtex, and every superfine fibre bundle contains the island ultrafine fiber synthetic leather base cloth of 61 superfine fibres.

Base cloth is carried out the residual test with polyurethane content of polyethylene, and the result is about 45% for polyurethane content, and polyethylene is residual to be 0.4%.

The sand paper that utilizes 180 order granularities then carries out the flour milling of positive and negative to the superfine fiber chemical leather base cloth, and very short matte is played on the surface, forms the suede base cloth.

Comparative example 9

(PA6 (island component) and low density polyethylene (LDPE) PE (sea component) 50/50 non-decided the island micro staple fiber to adopt conventional non-island ultrafine fiber; Fiber number is 5.5dtex; Length is 51mm); Cotton through shredding, adopt carding machine to be carded to the single layer fibre net, after form the composite bed fibre web through cross lapping machine.Fibre web by platform acupuncture, adds up needling density 1000 pins/cm through follow-up some needing machines²It is 0.21g/cm that the back forms density³Needle punched non-woven fabrics.Needle punched non-woven fabrics through 60 ℃ calender roll-in, forms about 600g/m again through after 135 ℃ the hot-air heat treatment², thickness is 2.00mm, apparent density 0.30g/cm³Needle fabric.

(solvent is DMF to the non-weaving cloth that obtains through polyurethane solutions; Solid content is 19%) dipping; This polyurethane mainly is by 4; 4 '-methyl diphenylene diisocyanate and polyol reaction obtain, and the polyalcohol that polyurethane adopts is 100% polytetramethylene ether diol, and polyalcohol content is 80%.Non-weaving cloth is 35% in DMF concentration after the polyurethane impregnated; Fully solidify in the aqueous solution that temperature is 35 ℃; Fully wash at 40-95 ℃ multi-region rinsing bowl then and form synthetic leather dipping base material; The dipping base material repeatedly immersion in 85 ℃ of toluene solutions then/pressure roller squeezing is handled and is decided island micro staple fiber polyethylene sea component to extract, and makes it to realize the super-refinement of fiber.Base material after toluene is extracted out fully gets into the azeotropic distillation in 90 ℃ of boiling water, and the residual toluene of base material is removed, and then, base material carries out drying in 120-150 ℃ multi-region air oven.Preparing the width of cloth of going out at last is 145cm, and thickness is 1.6mm, and the average fineness of superfine fibre is 0.005dtex (average island number is 500 a/root), and every superfine fibre bundle contains the non-island ultrafine fiber synthetic leather base cloth of 500 superfine fibres.

Base cloth is carried out the residual test with polyurethane content of polyethylene, and the result is about 44% for polyurethane content, and polyethylene is residual to be 2.5%.

The sand paper that utilizes 400 order granularities then carries out the flour milling of positive and negative to the superfine fiber chemical leather base cloth, and napping is handled, and forms the suede base cloth.

Comparative example 10

The manufacturing approach of the island ultrafine fiber synthetic leather base cloth of present embodiment may further comprise the steps:

Utilize the conventional non-island black silk superfine fibre (the non-figured type micro staple fiber of PA6 (island component)/low density polyethylene (LDPE) PE (sea component)/Masterbatch=47/50/3) of deciding; Cotton through shredding; Adopt carding machine to be carded to filament web, after form fibre web through cross lapping machine.Fibre web by platform acupuncture, adds up needling density 1000 pins/cm through follow-up some needing machines²It is 0.23g/cm that the back forms density³Needle punched non-woven fabrics.Needle punched non-woven fabrics through 60 ℃ calender roll-in, forms about 600g/m again through after 150 ℃ the hot-air heat treatment², thickness is 2.00mm, apparent density 0.30g/cm³Needle fabric.

The non-weaving cloth that obtains is through the polyurethane mixed solution (carbon black color paste that wherein adds 3 parts of weight ratios; Color sizing vector is this polyurethane) (solvent is DMF; Solid content is 19%) dipping, this polyurethane mainly is by 4,4 '-methyl diphenylene diisocyanate and polyol reaction obtain; The polyalcohol that polyurethane adopts is 100% polytetramethylene ether diol, and polyalcohol content is 80%.Non-weaving cloth is 35% in DMF concentration after the polyurethane impregnated; Fully solidify in the aqueous solution that temperature is 35 ℃; Fully wash at 40-95 ℃ multi-region rinsing bowl then and form synthetic leather dipping base material; The dipping base material repeatedly immersion in 85 ℃ of toluene solutions then/pressure roller squeezing is handled and is decided island micro staple fiber polyethylene sea component to extract, and makes it to realize the super-refinement of fiber.Base material after toluene is extracted out fully gets into the azeotropic distillation in 90 ℃ of boiling water, and the residual toluene of base material is removed, and then, base material carries out drying in 120 ℃ air oven.Preparing the width of cloth of going out at last is 145cm, and thickness is 1.6mm, and the average fineness of superfine fibre is 0.005dtex (average island number is 500 a/root), and every superfine fibre bundle contains the non-island ultrafine fiber synthetic leather base cloth of 500 superfine fibres.

Base cloth is carried out the residual test with polyurethane content of polyethylene, and the result is about 44% for polyurethane content, and polyethylene is residual to be 1.8%.

Embodiment 11

Dress ornament is with the preparation of island ultrafine fiber suede

Embodiment 6-8 is obtained figured type suede base cloth and the non-figured type suede of comparative example 9-10 base cloth dyes according to following condition: bath raio 1:25; Dyestuff 5%owf; The dye liquor pH value is controlled at 4-9; Dyestuff adopts neutral premetallized dyes, after dyeing of overflow normal temperature and the drying, this suede is carried out softener handle then 120 ℃ of oven dry.The flour milling napping that suede after the oven dry adopts 800 order grit papers to carry out positive and negative is handled, thereby guarantees that matte shows and high-grade outward appearance, has and writes benefit and fine and smooth soft hand feeling significantly.

Table two is seen in various performance of products contrasts:

	Embodiment 6	Embodiment 7	Embodiment 8	Comparative example 9	Comparative example 10
						Superfine fibre average fineness dtex	0.02	0.03	0.05	0.005	0.005
Dye level	Very dark	Very dark	Very dark	Shallow	Shallow
						Dye uniformity	Very good	Very good	Very good	Very poor	Difference
Dyefastness (wet rubbing)/level	3-4	3-4	3-4	1-2	2
						The apparent homogeneity of matte	Good	Good	Good	Difference	Generally
Write benefit	Significantly	Significantly	Significantly	Difference	Generally
						The matte ABRASION RESISTANCE	10000 times	10000 times	10000 times	< 4000 times	< 4000 times

Embodiment 12

Make the preparation of face technology smooth leather:

With the suede deep processing once more of being dyeed among the embodiment 11, select release liners to make face technology and carry out the light face and make face and handle, when wherein possessing the excellent surface effect in order to ensure products obtained therefrom; Have both the vapor-permeable, water-proof performance; Adopt floating skill in using a kitchen knife in cookery technology, make simultaneously and suitably add the hydrophily pore-foaming agent in the face polyurethane formulations, the gained smooth leather possesses good hand feeling and fine and smooth scrimp; Very near the style of natural leather; Possess good wear-resisting and DIMENSIONAL STABILITY on the rerum natura, possess with the homochromy stylishness requirement in the end on apparent, have both the excellent waterproof permeability performance simultaneously.

Embodiment 13

The preparation of roller coating technology smooth leather:

With the suede deep processing once more of being dyeed among the embodiment 11; Select the roller technology that is coated with of suitable order number to carry out surface treatment, dry then, light face (polyurethane epithelium) and matte (velvet of the suede self) staggered effect consistent with being coated with the roller decorative pattern appear in gained smooth leather surface; Increasing the product stylishness; In the time of stylization, improve the ABRASION RESISTANCE of product, had both good permeability performance simultaneously.

Embodiment 14

The preparation of printing technology smooth leather

With the suede deep processing once more of being dyeed among the embodiment 11, select the printing rollers of different decorative patterns, match and carry out the stamp polyurethane slurry in suede solid colour or close mill base or pigment and mix colours, carry out the printing technology surface treatment then.Light face (polyurethane epithelium) and matte (velvet of the suede self) staggered effect consistent with printing rollers appear in gained smooth leather surface; Increasing the product stylishness; In the time of stylization, improve the ABRASION RESISTANCE of product, had both good permeability performance simultaneously.

The island ultrafine fiber synthetic leather that the present invention produces is mainly used in the making dress ornament and uses synthetic leather; This synthetic leather product with at present relatively based on non-island ultrafine fiber products obtained therefrom; Possess more superior mechanical property, dyeability and dyefastness, be more suitable on matte class or suede basis, carrying out the surface and make face, roller coat or surperficial stamp deep processing gained dress ornament with synthetic leather and goods application thereof.Compare with other synthetic leather, durability of products, dyefastness, make things convenient for cutting and product design, stylishness, pass through drenched vapour, velvet sophistication and write on the performance such as effect and far be superior to other synthetic leather series products.

The present invention adopts the island ultrafine fiber technology; The synthetic leather product of focus development dyeing type, thus be applied to fields such as clothes, dress ornament, footwear, satisfy the requirement of market to the synthetic leather fashion-orientation; The matte series of product reaches the good exquisiteness of velvet and writes effect; The smooth leather series of products satisfy the color and the decorative pattern of fashion, realize that the same end of product is homochromy, have both the softness and the glaze sense that are similar to natural leather simultaneously; According to the product application need, increase product waterproof, anti-soil, pass through function such as vapour.

Claims

1. island ultrafine fiber is characterized in that comprising in this fiber island component, sea component and the 3rd component, and three's percentage by weight is (50%-80%): (50%-20%): (0%-5%); Wherein, the island component is any one in polyamide PA6 or the polyester PET, and sea component is any one in TPO or PLA PLB or polyvinyl alcohol PVOH or the water-soluble polyester, and the 3rd component is for being the Masterbatch of carrier with the island component.

2. according to the said island ultrafine fiber of claim 1, it is characterized in that the TPO in the said sea component is polythene PE or polystyrene PS.

3. the preparation method of claim 1 or 2 described island ultrafine fibers is characterised in that may further comprise the steps:

1), chip drying and fusion

2), composite spinning

3), the bucket that oils

4), drawing-off is curled

Carry out drawing-off behind the tow boundling with the silk bucket, the total draft multiple is 3-4.5 times, and drawing temperature is controlled at 75-200 ° of C, through the nervous typing of 100-150 ° of C vapours, gets into crimper again and curls then, and wherein the crimpness of fiber is 15-25/inch;

5), the dry cut-out

Tow after curling carries out finish spray and dried successively, and at last that drying is good tow cuts off.

4. according to the preparation method of the described island ultrafine fiber of claim 3, it is characterized in that step

1) component of island described in is polyamide PA6 or polyester PET, if polyamide PA6, then the melt temperature with screw extruder Nei Yi district is controlled at 170-200 ° of C; The temperature in two districts is controlled at 180-230 ° of C; The temperature in three districts is controlled at 220-260 ° of C, and the temperature in four districts is controlled at 250-280 ° of C, and the temperature in five districts is controlled at 260-290 ° of C; Melt temperature in the melt pipe is controlled at 260-290 ° of C, and the melt temperature in the spinning manifold is controlled at 260-290 ° of C; If polyester PET; Then the melt temperature with screw extruder Nei Yi district is controlled at 200-230 ° of C, and the temperature in two districts is controlled at 230-260 ° of C, and the temperature in three districts is controlled at 250-280 ° of C; The temperature in four districts is controlled at 260-290 ° of C; The temperature in five districts is controlled at 265-295 ° of C, and the melt temperature in the melt pipe is controlled at 265-295 ° of C, and the melt temperature in the spinning manifold is controlled at 265-295 ° of C;

Said sea component is the polythene PE or the polystyrene PS of TPO, if PE, then the melt temperature with screw extruder Nei Yi district is controlled at 100-130 ° of C; The temperature in two districts is controlled at 120-150 ° of C, and the temperature in three districts is controlled at 150-180 ° of C, and the temperature in four districts is controlled at 180-210 ° of C; The temperature in five districts is controlled at 210-240 ° of C, and the melt temperature in the melt pipe is controlled at 210-240 ° of C, and the melt temperature in the spinning manifold is controlled at 210-240 ° of C; If PS; Then the melt temperature with screw extruder Nei Yi district is controlled at 200-230 ° of C, and the temperature in two districts is controlled at 230-260 ° of C, and the temperature in three districts is controlled at 250-280 ° of C; The temperature in four districts is controlled at 260-290 ° of C; The temperature in five districts is controlled at 270-300 ° of C, and the melt temperature in the melt pipe is controlled at 270-300 ° of C, and the melt temperature in the spinning manifold is controlled at 270-300 ° of C.

5. according to the preparation method of the described island ultrafine fiber of claim 3; What it is characterized in that tow described in the step 5) cuts into 38mm or 51mm decides the island staple fibre; Finally by the baling press packing, the fiber number of finished fiber single fiber is controlled at 2.5-6.0dtex.

6. the manufacturing approach of island ultrafine fiber synthetic leather base cloth is characterized in that may further comprise the steps:

1), earlier that island ultrafine fiber is cotton through shredding; After be carded to the single layer fibre net through carding machine; Form the composite bed fibre web through cross lapping machine again; Composite fiber web forms needle punched non-woven fabrics through acupuncture, and needle punched non-woven fabrics is successively through Overheating Treatment, calender roll-in, and the formation apparent density is 0.29-0.36g/cm³Needle fabric;

2), needle fabric is flooded through in the polyurethane solutions; In the dimethyl formamide aqueous solution, fully solidify; In water, fully wash then and form synthetic leather dipping base material, fine realization super-refinement is opened in the superfine fibre sea component extraction that synthetic leather floods in the base material, remove the toluene in the synthetic leather dipping base material then; Carry out dried at last, make the island ultrafine fiber synthetic leather base cloth;

3), the positive and negative with the island ultrafine fiber synthetic leather base cloth carries out flour milling and napping respectively, formation matte synthetic leather base cloth.

7. according to the manufacturing approach of the described island ultrafine fiber synthetic leather base cloth of claim 6; It is characterized in that step 2) described in the solvent of polyurethane solutions be dimethyl formamide, solid content is 19-23%, this polyurethane is by 4; 4;-methyl diphenylene diisocyanate and polyol reaction obtain, and wherein the percentage by weight of polyalcohol is 50-80%, and said polyalcohol is 100% polyethers or polytetramethylene ether diol;

Said step 2) sea component extracts and to open fine concrete steps and be in: synthetic leather is flooded base material soaks in 85 ° of C toluene solutions repeatedly, the pressure roller squeezing is handled and decided island micro staple fiber sea component to extract, and makes it to realize the super-refinement of fiber;

Said step 2) concrete steps of removing the toluene in the synthetic leather dipping base material in are: synthetic leather is flooded base material deliver to azeotropic distillation in the water of 90 ° of C, toluene residual in the base material is removed;

Said step 2) dried is in temperature is the multi-region air oven of 120-150 ° of C, to carry out drying in.

8. according to the manufacturing approach of the described island ultrafine fiber synthetic leather base cloth of claim 6; It is characterized in that step 2) described in needle fabric through flooding in the polyurethane solutions; Non-weaving cloth behind the dipping is that 25-35%, temperature are fully to solidify in the dimethyl formamide aqueous solution of 25-35 ° of C in concentration, then in the water of 40-95 ° of C fully washing form synthetic leather dipping base material.

9. dress ornament is characterized in that may further comprise the steps with the manufacturing approach of suede:

1), with the pre-treatment of matte synthetic leather base cloth before dyeing, in dyeing installation, carry out normal temperature dyeing, wash then, fixation treatment, carry out the expanding oven dry at last, the back base cloth obtains dyeing;

2), the base cloth positive and negative after the dyeing carried out flour milling, napping handle, carry out soft treatment again, form the island ultrafine fiber suede.

10. dress ornament is used up the manufacturing approach of face synthetic leather, it is characterized in that may further comprise the steps:

2), the base cloth positive and negative after the dyeing carried out flour milling, napping handle, carry out soft treatment again, form the island ultrafine fiber suede;

3), select for use release liners to make face technology; Perhaps roller coat; Perhaps printing technology, the light face that forms different-style is with the homochromy island ultrafine fiber light face synthetic leather in the end, and the apparent texture of leather depends on used release liners, roller coat roller decorative pattern or printing rollers decorative pattern; Leather surface layer color depends on used mill base or pigment, guarantees close or consistent with the color of bottom base cloth.