CN102744955A - Elastic cloth and solvent-free laminating process thereof - Google Patents

Abstract

An elastic cloth and a solvent-free bonding process thereof, wherein the solvent-free bonding process of the elastic cloth comprises the following steps: co-extruding to form a molten thermoplastic elastic film layer, wherein the thermoplastic elastic film layer is provided with a first layer part and a second layer part, and one surface of the second layer part is jointed with one surface of the first layer part; (b) taking a plain weaving cloth layer; (c) bonding the plain cloth layer to the other surface of the first layer in a molten state; and (d) performing cold rolling treatment to weld the thermoplastic elastic film layer and the plain cloth layer and cooling to form the elastic cloth product. Therefore, the invention not only simplifies the manufacturing process, has low manufacturing cost and high yield, but also has the characteristics of health, safety and environmental protection without using an adhesive containing an organic solvent in the whole process.

Description

Elastical cloth and solvent-free applying processing procedure thereof

Technical field

The present invention relates to a kind of elastical cloth and applying processing procedure thereof, particularly relate to a kind of elastical cloth and solvent-free applying processing procedure thereof.

Background technology

In order to promote the performance of elastic woven material, generally can be in the surface coated or applying plastic cement (or rubber) material of elastic woven material, it is contained openly to number No. 201037122 " manufacturing process of the flexible fibre of tool " patent of invention case like the TaiWan, China patent; In simple terms, a looped fabric is sticked on a flat fabric earlier, after treating that this PUR is dry and hardening with a PUR; The thickener that is fused into natural gum and toluene in the surface coated of this looped fabric, and give oven dry, make the toluene in the thickener; On the other hand; With a sizing material through adding hot milling, calendering, cooling to process a film, at last with this looped fabric and this film laminating, be adhered together, vulcanize and processing such as rolling; Divest this flat fabric again, an elastomer product promptly completes.

Hence one can see that; The manufacturing process of above-mentioned elastomer goods, not only processing procedure loaded down with trivial details consuming time, cost of manufacture is high, and it is wayward to produce yield; Especially employed PUR, thickener contain high pollution property, highly toxic organic solvent usually in the processing procedure; Not only can cause threat and harm on healthy, for example: cause skin or breathing problem, and whole processing procedure also can discharge VOCs, CO in a large number to processing procedure personnel or end user₂With toxic waste, environment is caused serious negative impact.

Summary of the invention

The object of the present invention is to provide a kind of processing procedure simplification, low cost of manufacture, production yield height, and healthy, the safe elastical cloth and the solvent-free applying processing procedure thereof of environmental protection again.

The solvent-free applying processing procedure of elastical cloth of the present invention; Comprise the following step: the thermoplastic elastic rete that (a) is total to a molten of extrusion shaping; This thermoplastic elastic rete has a ground floor portion, and the second layer portion on a surface of this ground floor portion of one surface joint; (b) get a plain weave layer of cloth; (c) this flat fabric laminating is combined in another surface of this ground floor portion of molten; (d) carry out cold rolling and handle, make this thermoplastic elastic rete and this plain weave layer of cloth welding and cooling.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), this thermoplastic elastic rete also has the 3rd layer of portion that an one surface engages opposite another surface of this second layer portion.

The solvent-free applying processing procedure of elastical cloth according to the invention; At step (b); Other gets a lining layer, at step (c), makes this lining laminating be combined in another surface of the 3rd layer of portion of molten; At step (d), this plain weave layer of cloth, this thermoplastic elastic rete and this lining layer three are carried out cold rolling handle.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the foaming density of this second layer portion is between 0.1g/cm³To 0.9g/cm³Between.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the temperature of this thermoplastic elastic rete is between 150 ℃ to 220 ℃.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (d), operated cold rolling treatment temperature is between 20 ℃ to 90 ℃.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the thickness of this ground floor portion is between 0.05 millimeter to 0.1 millimeter.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the thickness of this second layer portion is between 0.1 millimeter to 0.3 millimeter.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (a), the thickness of the 3rd layer of portion is between 0.05 millimeter to 0.1 millimeter.

The solvent-free applying processing procedure of elastical cloth according to the invention; At step (a); This ground floor portion is polyethylene, ethylene-vinyl acetate copolymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer, or these a combination is made.

The solvent-free applying processing procedure of elastical cloth according to the invention; At step (a), this second layer portion has a base-material body, and the additive that is blended in this base-material body; This base-material body is styrene-ethylene-butylene-styrene elastomer, ethylene-vinyl acetate co-polymer; Or styrene-butylene-styrene elastomer is made, and this additive is hollow glass ball, blowing microcapsule, or organic foaming agent.

The solvent-free applying processing procedure of elastical cloth according to the invention; At step (a); The 3rd layer of portion is polyethylene, ethylene-vinyl acetate co-polymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer; Styrene-ethylene-butylene-styrene elastomer, styrene-butylene-styrene elastomer, or these a combination is made.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (b), this plain weave layer of cloth is nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or the blend fibre of nylon and cotton is processed.

The solvent-free applying processing procedure of elastical cloth according to the invention, at step (b), this lining layer is with nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or nylon and the blend fibre of cotton flat fabric or the looped fabric processed.

Elastical cloth of the present invention; Comprise a thermoplastic elastic rete of extrusion shaping altogether; And plain weave layer of cloth; This thermoplastic elastic rete has a ground floor portion, and the second layer portion on a surface of this ground floor portion of one surface joint, another surface of this ground floor portion of surperficial welding of this plain weave layer of cloth.

Elastical cloth of the present invention, this thermoplastic elastic rete also have the 3rd layer of portion that an one surface engages another surface of this second layer portion.

Elastical cloth of the present invention, this elastical cloth also comprise another surperficial lining layer of the 3rd layer of portion of an one surface welding.

Beneficial effect of the present invention is: plain weave layer of cloth and the thermoplastic elastic rete that is the high-temperature fusion shape are fitted; Carrying out cold rolling again handles; Just can make thermoplastic elastic rete and the welding of plain weave layer of cloth and cooling forming is an elastical cloth; Let not only processing procedure of the present invention is simplified, cost is low and yield is high, the especially omnidistance sticker that contains organic solvent that uses more lets the present invention have health, the safety characteristics of environmental protection again concurrently.

Description of drawings

Fig. 1 is a cutaway view, and one first preferred embodiment of elastical cloth of the present invention is described;

Fig. 2 is a making flow chart, and one first preferred embodiment of the solvent-free applying processing procedure of elastical cloth of the present invention is described;

Fig. 3 is a cutaway view, and one second preferred embodiment of elastical cloth of the present invention is described;

Fig. 4 is a making flow chart, and one second preferred embodiment of the solvent-free applying processing procedure of elastical cloth of the present invention is described.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.

Like Fig. 1 and shown in Figure 2; One first preferred embodiment of elastical cloth of the present invention and solvent-free applying processing procedure thereof; Thiselastical cloth 2 shown in Figure 1 is to comprise the warp thermoplasticelastic rete 21 of extrusion shaping altogether, and a plain weave layer ofcloth 22 that engages a surface of this thermoplasticelastic rete 21.

This thermoplasticelastic rete 21 has aground floor portion 211, and thesecond layer portion 212 on a surface of thisground floor portion 211 of one surface joint.Wherein, thissecond layer portion 212 has a base-material body 213 that engages thisground floor portion 211, and is blended in theadditive 214 in this base-material body 213.A surface of this plain weave layer ofcloth 22 is another surfaces of thisground floor portion 211 of welding.

And the solvent-free applying processing procedure of this elastical cloth shown in Figure 2 is in order to manufacturing above-mentionedelastical cloth 2 products that are shaped, and comprises step (a) to step (d):

At step (a); Allocate two parts respectively in order to make the thermoplastic elastic sizing material of thisground floor portion 211 and thissecond layer portion 212; Give earlier and throwing in thedrying 1, give being fed in theextrusion equipment 3 again, said two parts of thermoplastic elastic sizing materials are got into respectively carry out fusion, mixing and extrusion in two extruders; Two parts of extrusion things of gained are led respectively in two runners of a current divider into again; At last via the common extrusion of a T shape die head, temperature this thermoplasticelastic rete 21 between 150 ℃ to 220 ℃ that just can be shaped, wherein; The thickness of thisground floor portion 211 is between 0.05 millimeter to 0.1 millimeter, and the thickness of thissecond layer portion 212 is between 0.1 millimeter to 0.3 millimeter.

Said in order to make the thermoplastic elastomer of thisground floor portion 211; Be polyethylene (Polyethylene; Abbreviation PE), ethylene-vinyl acetate copolymer (Ethylene-Vinyl acetate Copolymer; Abbreviation EVA), maleic anhydride (Maleic Anhydride is called for short MA), ethylene-methyl acrylate copolymer (Ethylene-Methyl Acrylate Copolymer is called for short EMA), ethylene-butyl acrylate copolymer (Ethylene-Butyl Acrylate Copolymer; Be called for short EBA), or these a combination.Preferably, thisground floor portion 211 is by PE and EVA, PE and MA, PE and EMA, PE and EBA, PE and MA and EMA, or material combined polymerization such as PE and MA and EBA or mixing combination are made.

Said in order to make the thermoplastic elastomer of thissecond layer portion 212, be the composition that comprises this base-material body 213 that is shaped, and as being blended in the composition of theadditive 214 in this base-material body 213.Wherein, This base-material body 213 is styrene-ethylene-butylene-styrene elastomer (Styrene-Ethylene-Butylene-Styrene Elastomer; Abbreviation SEBS), ethylene-vinyl acetate co-polymer (Ethylene-Vinyl acetate Copolymer; Be called for short EVA), or styrene-butylene-styrene elastomer (Styrene-Ethylene-Butylene-Styrene Elastomer is called for short SBS); And thisadditive 214 can use the hollow glass ball of 0.5wt% to 10wt%, the blowing microcapsule of 0.3wt% to 5wt%, or the organic foaming agent of 0.1wt% to 0.8wt%, in order to let the foaming density ofsecond layer portion 212 of formed thereby between 0.1g/cm³To 0.9g/cm³Between.

On the other hand; At step (b); Choose the plain weave layer ofcloth 22 that will use; This plain weave layer ofcloth 22 can be nylon (Nylon) fiber, polyester (Polyester) fiber, cotton (Cotton) fiber, polyester and cotton blend fibre (like CVC cloth or T/C cloth), or the blend fibre (like N/C cloth) of nylon and cotton is processed.

Then, carry out step (c), a surface of this plain weave layer ofcloth 22 directly is fitted in another surface of thisground floor portion 211 of molten.

Carry out step (d) then, this thermoplasticelastic rete 21 that fits is transferred the cold rolling that carries out pressing and cooling in the cold rolling equipment 4 with this plain weave layer ofcloth 22 handle.

This cold rolling equipment 4 has three pinch rollers of arranging in regular turn up and down 41, eight positions at the place, right side of saidpinch roller 41 and in pairs byfirst cooling wheel 42 of upper left side oblique arrangement toward the lower right, and 14 from left to right the horizontal interval be arranged in other second cooling wheel 43 (not demonstrating among the figure all) of said first cooling wheel 42.And the surface temperature of saidpinch roller 41 is to be controlled between 20 ℃ to 90 ℃.

This cold rolling equipment 4 also has a circulatingwater cooling unit 44; It can be to the water body of saidpinch roller 41 inner axial respectively importing temperature between 15 ℃ to 95 ℃; In order to saidpinch roller 41 is bestowed the water-cooled effect; The surface temperature control of guaranteeing saidpinch roller 41 is between 20 ℃ to 90 ℃, and axially percolation through saidpinch roller 41 inner and water body that raise because of the heat absorption temperature, can pass back into and utilize again in this circulatingwater cooling unit 44; In case the water temperature that recycles of this circulatingwater cooling unit 44 is higher than 25 ℃; Its refrigeration mechanism just can start, like the frozen water of 5 ℃ to 10 ℃ of extra preparations and inject the water body that recycles, with the temperature maintenance of guaranteeing to import the inner water body of saidpinch roller 41 between 15 ℃ to 95 ℃.

This cold rolling equipment 4 also has a vicinity and is arranged on wherein 41 air knives of locating 45 of two pinch rollers, and thisair knife 45 can blow out refrigerating gas one towards said twopinch rollers 41.

Therefore; This thermoplasticelastic rete 21 that fits and this plain weave layer ofcloth 22 are after handover is gone in this cold rolling equipment 4; Can move in regular turn through saidpinch roller 41, saidfirst cooling wheel 42 and saidsecond cooling wheel 43, in the processing procedure, saidpinch roller 41 can make this thermoplasticelastic rete 21 with these plain weave layer ofcloth 22 roll extrusion, be bonded together; Utilization is the viscosity that thisground floor portion 211 of high-temperature fusion shape is produced, and can make thisground floor portion 211 be fused into one with this plain weave layer ofcloth 22.

And; Through the saidpinch roller 41 of surface temperature between 20 ℃ to 90 ℃; And the cold rolling effect that applied of saidfirst cooling wheel 42 and saidsecond cooling wheel 43; Cooperate the air cooling effect of thisair knife 45, can make to engage this thermoplasticelastic rete 21 of all-in-one-piece and cool off rapidly, solidify, with the making elastical cloth as shown in Figure 12 that is shaped with this plain weave layer ofcloth 22.

At last, adopt 5 pairs of theseelastical cloths 2 of an edge iron to carry out deburring, cut with theelastical cloth 2 after 6 pairs of deburrings of a slicer again, or directly the elastical cloth after the deburring 2 is furled just passable.

Therefore; The present invention bestows cold rolling and air cooling and handles after this plain weave layer ofcloth 22 and this thermoplasticelastic rete 21 that is the high-temperature fusion shape are fitted, and making this thermoplasticelastic rete 21 and this plain weave layer ofcloth 22 pressing promptly and cooling forming is thiselastical cloth 2; Thereby; Not only let processing procedure simplification of the present invention, low cost of manufacture and to produce yield high, especially between this thermoplasticelastic rete 21 and this plain weave layer ofcloth 22 use contain the sticker of organic solvent, the pernicious gas and the waste material that effectively reduce processing procedure and discharged; Guarantee processing procedure and security of products; Processing procedure personnel and end user healthy can be on the hazard and endanger, can also reduce impact simultaneously, and then let the present invention have health, the safety characteristics of environmental protection again concurrently environment.

Like Fig. 3 and shown in Figure 4; One second preferred embodiment of elastical cloth of the present invention and solvent-free applying processing procedure thereof; Different with above-mentioned this first preferred embodiment be in; Thiselastical cloth 2 shown in Figure 3 also comprises anothersurperficial lining layer 23 of this thermoplasticelastic rete 21 of welding; This thermoplasticelastic rete 21 also has the 3rd layer ofportion 215 that an one surface engages opposite another surface of thissecond layer portion 212, and a surface of thislining layer 23 is another surfaces of the 3rd layer ofportion 215 of welding.

And the solvent-free applying processing procedure of this elastical cloth shown in Figure 4 is to be used for making being shaped above-mentionedelastical cloth 2 products.

So; At step (a), be three parts of allotments respectively in order to make the thermoplastic elastic sizing material of thisground floor portion 211, thissecond layer portion 212 and the 3rd layer ofportion 215, give drying after; Said three thermoplastic elastic sizing materials are got into respectively carry out fusion, mixing and extrusion in three extruders; Three parts of extrusion things of gained are led respectively in three runners of a current divider into again, and at last via the common extrusion of a T shape die head, this thermoplasticelastic rete 21 just can be shaped; Wherein, the thickness of the 3rd layer ofportion 215 is between 0.05 millimeter to 0.1 millimeter.

Said is PE, EVA, MA, EMA, EBA, SEBS, SBS in order to make the thermoplastic elastomer of the 3rd layer ofportion 215, or these a combination.

At step (b), must get thislining layer 23 in addition, thislining layer 23 is with nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or nylon and the blend fibre of cotton flat fabric or the looped fabric processed.

Then, in step (c), be thislining layer 23 to be fitted in be in the 3rd layer ofportion 215 of high-temperature fusion shape.

Then; In step (d); This plain weave layer ofcloth 22 of fitting in regular turn, this thermoplasticelastic rete 21 sent in this cold rolling equipment 4 with thislining layer 23 carry out pressing, cooling, likewise, saidpinch roller 41 can make the 3rd layer ofportion 215 and theselining layer 23 pressings; And the 3rd layer of viscosity thatportion 215 is produced that is the high-temperature fusion shape; Can make the 3rd layer ofportion 215 with thislining layer 23 fusions, then be integral, cooperate saidpinch roller 41, saidfirst cooling wheel 42, saidsecond cooling wheel 43 and the cooling effect that thisair knife 45 is provided, just can makeelastical cloth 2 products shown in 3 of publishing picture that are shaped.

Likewise, it is high that the present invention also can reach processing procedure simplification, low cost of manufacture, production yield certainly, and healthy, safety effect such as environmental protection again.

Be noted that in addition; In this second preferred embodiment of the invention described above; Thislining layer 23 can be inessential; So,elastical cloth 2 structures that made is shaped are by the thermoplasticelastic rete 21 with thisground floor portion 211, thissecond layer portion 212 and the 3rd layer ofportion 215, and these plain weave layer ofcloth 22 joints form.

Claims (17)

1. the solvent-free applying processing procedure of an elastical cloth; It is characterized in that comprising the following step: the thermoplastic elastic rete that (a) is total to a molten of extrusion shaping; This thermoplastic elastic rete has a ground floor portion, and the second layer portion on a surface of this ground floor portion of one surface joint; (b) get a plain weave layer of cloth; (c) this flat fabric laminating is combined in another surface of this ground floor portion of molten; (d) carry out cold rolling and handle, make this thermoplastic elastic rete and this plain weave layer of cloth welding and cooling.

2. according to the solvent-free applying processing procedure of the said elastical cloth of claim 1, it is characterized in that: at step (a), this thermoplastic elastic rete also has the 3rd layer of portion that an one surface engages opposite another surface of this second layer portion.

3. according to the solvent-free applying processing procedure of the said elastical cloth of claim 2; It is characterized in that: at step (b); Other gets a lining layer, at step (c), makes this lining laminating be combined in another surface of the 3rd layer of portion of molten; At step (d), this plain weave layer of cloth, this thermoplastic elastic rete and this lining layer three are carried out cold rolling handle.

4. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (a), the foaming density of this second layer portion is between 0.1g/cm³To 0.9g/cm³Between.

5. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (a), the temperature of this thermoplastic elastic rete is between 150 ℃ to 220 ℃.

6. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (d), operated cold rolling treatment temperature is between 20 ℃ to 90 ℃.

7. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3, it is characterized in that: at step (a), the thickness of this ground floor portion is between 0.05 millimeter to 0.1 millimeter.

8. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary right in the claim 1 to 3, it is characterized in that: at step (a), the thickness of this second layer portion is between 0.1 millimeter to 0.3 millimeter.

9. according to the solvent-free applying processing procedure of claim 2 or 3 said elastical cloths, it is characterized in that: at step (a), the thickness of the 3rd layer of portion is between 0.05 millimeter to 0.1 millimeter.

10. according to the solvent-free applying processing procedure of the said elastical cloth of arbitrary claim in the claim 1 to 3; It is characterized in that: at step (a); This ground floor portion is polyethylene, ethylene-vinyl acetate copolymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer, or these a combination is made.

11. solvent-free applying processing procedure according to the said elastical cloth of arbitrary right in the claim 1 to 3; It is characterized in that: at step (a), this second layer portion has a base-material body, and the additive that is blended in this base-material body; This base-material body is styrene-ethylene-butylene-styrene elastomer, ethylene-vinyl acetate co-polymer; Or styrene-butylene-styrene elastomer is made, and this additive is hollow glass ball, blowing microcapsule, or organic foaming agent.

12. solvent-free applying processing procedure according to claim 2 or 3 said elastical cloths; It is characterized in that: at step (a); The 3rd layer of portion is polyethylene, ethylene-vinyl acetate co-polymer, maleic anhydride, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer; Styrene-ethylene-butylene-styrene elastomer, styrene-butylene-styrene elastomer, or these a combination is made.

13. solvent-free applying processing procedure according to the said elastical cloth of arbitrary claim in the claim 1 to 3; It is characterized in that: at step (b); This plain weave layer of cloth is nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or the blend fibre of nylon and cotton is processed.

14. solvent-free applying processing procedure according to the said elastical cloth of claim 3; It is characterized in that: at step (b); This lining layer is with nylon fiber, polyester fiber, cotton fiber, polyester and cotton blend fibre, or nylon and the blend fibre of cotton flat fabric or the looped fabric processed.

15. an elastical cloth comprises a plain weave layer of cloth; It is characterized in that: this elastical cloth also comprises a thermoplastic elastic rete of extrusion shaping altogether; This thermoplastic elastic rete has a ground floor portion; And the second layer portion on a surface of this ground floor portion of one surface joint, another surface of this ground floor portion of surperficial welding of this plain weave layer of cloth.

16. elastical cloth according to claim 15 is characterized in that: this thermoplastic elastic rete also has the 3rd layer of portion that an one surface engages another surface of this second layer portion.

17. elastical cloth according to claim 16 is characterized in that: this elastical cloth also comprises another surperficial lining layer of the 3rd layer of portion of an one surface welding.

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