Summary of the invention
The purpose of this invention is to provide a kind of not only environmental protection, hydrolysis, anti-xanthochromia, but also can reach the preparation method of a kind of flame-proof environmental protection TPU outdoor leather of fire-retardant index.
The preparation method of flame-proof environmental protection TPU outdoor leather of the present invention realizes through following technical scheme:
A kind of preparation method of flame-proof environmental protection TPU outdoor leather comprises following steps:
Step 1 is that fire retardant, the weight portion of 0.2-0.5 is that 1 water-soluble glue is mixed with weight portion, is made into slurry;
Step 2 is taken out base cloth in the slurry of step 1 after the submergence, dry processing then, processes fire-retardant base cloth layer;
Step 3 is that the TPU of 0.5-1, colouring agent that weight portion is 0.2-0.5 and the weight portion fire retardant melting mixing that is 0.5-1 is even with weight portion, is pressed into thin slice then, processes fire-retardant TPU layer;
Step 4 lumps together fire-retardant base cloth layer and fire-retardant TPU lamination;
The product that step 5 obtains step 4 carries out outer surface to be handled.
Further, the bake out temperature in the said step 2 is 50-150 ℃.
Further, the melt temperature in the said step 3 is 150-350 ℃.
Further, the method that said step 3 is pressed into thin slice is to adopt extruder to depress to continuous slice at 0.3-0.8MPa pressure.
Further, the compression method of said step 4 does, is that the pair roller of two band lines of 0.1-0.7MPa carries out compound cooling with 150-250 ℃ fire-retardant base cloth layer and fire-retardant TPU layer through pressure.
Further, said TPU comprises one or more mixtures among thermoplastic elastomer (TPE) TPE, SBS SBS, SIS SIS, ethylene-vinyl acetate copolymer EVA, phenylethylene elastomer TPR, thermoplastic polyester elastomer TPEE and the thermoplastic sulfurized rubber TPV.
Further, said water-soluble glue is a water soluble acrylic acid.
Further, said colouring agent is Masterbatch or toner.
Further, said fire retardant is the agent of phosphorus chlorine composite environmental-friendly fire-retardant.
The preparation method of flame-proof environmental protection TPU outdoor leather provided by the present invention, its production process is simple, the saving energy and labor service that can be a large amount of; The solvent waste liquid can not appear, environmentally safe, and the outdoor leather of the flame-proof environmental protection TPU that adopts the present invention to process in process of production; Not only can reach fire-retardant and environmental protection requirement; The characteristics that it also has wear-resisting, hydrolysis, anti-flavescence also have unique vision and handle effect, are particularly suitable for outdoor use.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out further setting forth in detail.
Fig. 1 is making flow chart of the present invention, and is as shown in Figure 1, and a kind of preparation method of flame-proof environmental protection TPU outdoor leather comprises following steps:
Step 1 is that fire retardant, the weight portion of 0.2-0.5 is that 1 water-soluble glue is mixed with weight portion, is made into slurry;
Step 2 is taken out base cloth in the slurry of step 1 after the submergence, dry processing then, processes fire-retardant base cloth layer;
Step 3 is that the TPU of 0.5-1, colouring agent that weight portion is 0.2-0.5 and the weight portion fire retardant melting mixing that is 0.5-1 is even with weight portion, is pressed into thin slice then, processes fire-retardant TPU layer;
Step 4 lumps together fire-retardant base cloth layer and fire-retardant TPU lamination;
The product that step 5 obtains step 4 carries out outer surface to be handled.
Wherein, the bake out temperature in the step 2 is 50-150 ℃; Melt temperature in the step 3 is 150-350 ℃; The method that is pressed into thin slice is to adopt extruder to depress to continuous slice at 0.3-0.8MPa pressure; The compression method of step 4 does, is that the pair roller of two band lines of 0.1-0.7MPa carries out compound cooling with 150-250 ℃ fire-retardant base cloth layer and fire-retardant TPU layer through pressure.
The preparation method of flame-proof environmental protection TPU outdoor leather provided by the present invention, TPU comprises one or more mixtures among thermoplastic elastomer (TPE) TPE, SBS SBS, SIS SIS, ethylene-vinyl acetate copolymer EVA, phenylethylene elastomer TPR, thermoplastic polyester elastomer TPEE and the thermoplastic sulfurized rubber TPV; Water-soluble glue is a water soluble acrylic acid; Said colouring agent is Masterbatch or toner; Fire retardant is the agent of phosphorus chlorine composite environmental-friendly fire-retardant.
Embodiment 1
A kind of preparation method of flame-proof environmental protection TPU outdoor leather, shown in accompanying drawing 1, carry out following step successively:
1. be made into slurry under 70 ℃ water soluble acrylic acid, fire retardant being mixed in a groove, again base cloth be immersed in the slurry, under 110 ℃, dry processing.
2. thermoplastic elastomer (TPE) TPU, colouring agent, the fire retardant heating of 1:0.5:0.3 weight portion are carried out melting mixing for 160 ℃, under 0.2Mpa pressure, be pressed into thin slice continuously through extruder.
3. the product of step 2 carries out composite embossed through the two rollers that have lines with the product of step 1 and cools off under 0.4Mpa pressure under molten condition.
4. the product with step 3 carries out surface physics processing modification again, improves associative perception and processes environmental-protection flame-retardant outdoor leather.
Embodiment 2
A kind of preparation method of flame-proof environmental protection TPU outdoor leather, shown in accompanying drawing 1, carry out following step successively:
1. be made into slurry under 80 ℃ water soluble acrylic acid, fire retardant being mixed in a groove, again base cloth be immersed in the slurry, under 120 ℃, dry processing.
2. thermoplastic elastomer (TPE) TPU, colouring agent, the fire retardant heating of 0.8:0.3:0.4 weight portion are carried out melting mixing for 160 ℃, under 0.4Mpa pressure, be pressed into thin slice continuously through extruder.
3. the product of step 2 carries out composite embossed through the two rollers that have lines with the product of step 1 and cools off under 0.1Mpa pressure under molten condition.
4. the product with step 3 carries out surface physics processing modification again, improves associative perception and processes environmental-protection flame-retardant outdoor leather.
Embodiment 3:
A kind of preparation method of flame-proof environmental protection TPU outdoor leather, shown in accompanying drawing 1, carry out following step successively:
1. be made into slurry under 100 ℃ water soluble acrylic acid, fire retardant being mixed in a groove, again base cloth be immersed in the slurry, under 120 ℃, dry processing.
2. thermoplastic elastomer (TPE) TPU, colouring agent, the fire retardant heating of 0.9:0.4:0.5 weight portion are carried out melting mixing for 210 ℃, under 0.1Mpa pressure, be pressed into thin slice continuously through extruder.
3. the product of step 2 carries out composite embossed cooling through the two rollers that have lines with step 1 product under 0.3Mpa pressure under molten condition.
4. the product with step 3 carries out surface physics processing modification again, improves associative perception and processes environmental-protection flame-retardant outdoor leather.
Embodiment 4:
A kind of preparation method of flame-proof environmental protection TPU outdoor leather, shown in accompanying drawing 1, carry out following step successively:
1. be made into slurry under 100 ℃ water soluble acrylic acid, fire retardant being mixed in a groove, again base cloth be immersed in the slurry, under 50 ℃, dry processing.
2. thermoplastic elastomer (TPE) TPU, colouring agent, the fire retardant heating of 0.9:0.4:0.5 weight portion are carried out melting mixing for 150 ℃, under 0.1Mpa pressure, be pressed into thin slice continuously through extruder.
3. the product of step 2 carries out composite embossed cooling through the two rollers that have lines with step 1 product under 0.3Mpa pressure under molten condition.
4. the product with step 3 carries out surface physics processing modification again, improves associative perception and processes environmental-protection flame-retardant outdoor leather.
Embodiment 5:
A kind of preparation method of flame-proof environmental protection TPU outdoor leather, shown in accompanying drawing 1, carry out following step successively:
1. be made into slurry under 100 ℃ water soluble acrylic acid, fire retardant being mixed in a groove, again base cloth be immersed in the slurry, under 150 ℃, dry processing.
2. thermoplastic elastomer (TPE) TPU, colouring agent, the fire retardant heating of 0.9:0.4:0.5 weight portion are carried out melting mixing for 350 ℃, under 0.1Mpa pressure, be pressed into thin slice continuously through extruder.
3. the product of step 2 carries out composite embossed cooling through the two rollers that have lines with step 1 product under 0.3Mpa pressure under molten condition.
4. the product with step 3 carries out surface physics processing modification again, improves associative perception and processes environmental-protection flame-retardant outdoor leather.
It is pointed out that the step that the present invention sets forth can be interrupted completion, also can accomplish continuously.No matter the present invention is a kind of synthetic leather of very environmental protection flame retardant in goods still in process of production, meets EN-71 standard (European Union's limit detection standard) BS5852 flame-retardant standard (Britain) fully.
The present invention does not have any pollution compared with prior art aborning.Utilize the saving energy and labor service that the present invention can be a large amount of, product has unique vision and handle effect, and wear-resisting, hydrolysis, anti-xanthochromia, cryogenic property are good.
The above embodiment has only expressed embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.