CN102230251B - Method for preparing TPE screen cloth - Google Patents
Method for preparing TPE screen cloth Download PDFInfo
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- CN102230251B CN102230251B CN2011101568653A CN201110156865A CN102230251B CN 102230251 B CN102230251 B CN 102230251B CN 2011101568653 A CN2011101568653 A CN 2011101568653A CN 201110156865 A CN201110156865 A CN 201110156865A CN 102230251 B CN102230251 B CN 102230251B
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Abstract
The invention relates to a method for preparing thermoplastic elastomer (TPE) screen cloth, and belongs to the technical field of spinning. The method comprises the following steps of: a, performing batching and color blending, namely mixing a TPE composite material and a pigment uniformly to obtain a master batch; b, extruding and making filament yarn, namely adding the master batch into an extruder, plasticizing the master batch to form a uniform melt, extruding the melt out of an extruder head continuously by a screw of the extruder, and allowing polyester filament yarn to pass through the extruder head of the extruder while the operation is performed, so that the melt is wrapped outside the polyester filament yarn and is cooled to form TPE yarn; c, warping and weaving, namely manufacturing the TPE yarn to form a driving shaft by a warping machine, and processing to form screen cloth by a gripper loom; and d, performing sizing on the screen cloth at the temperature of between 100 and 140 DEG C by using a tentering setting machine to prepare the TPE screen cloth. The method is simple in a process and easy to operate, the obtained TPE screen cloth has the high resilience tearing strength, and the method has the advantage of environment friendliness.
Description
Technical field
The present invention relates to a kind of screen cloth, relate in particular to a kind of preparation method of TPE screen cloth, belong to textile technology field.
Background technology
Thermoplastic elastomer (TPE) (TPE) screen cloth is the extraordinary textiles that a kind of shuttleless loom is produced, and is the screen cloth of processing through after braiding, warping, the typing, and the graticule of screen cloth all is the complex yarns that adopt special material clad structure.
Advantages such as smooth surface, color are beautiful because the TPE screen cloth has, waterproof, grease proofing, antiultraviolet, nontoxic, nice and cool, wear-resisting, long service life, price are low, so, can be widely used in outdoor goods, tourism and leisure articles for use etc.But owing to be used to produce the material of TPE screen cloth in the prior art mainly all is to adopt the PVC material to coat terylene thread or glass fiber, and typing accomplishes through weaving then, and its Main Ingredients and Appearance is terylene thread or glass fibre and PVC material; The PVC material is the polymer of vinyl chloride, the indirect VCM that contains, so; Its environmental-protecting performance is also relatively poor; More existing countries all limit the use of PVC, replace the PVC material so press for a kind of material, to reach the requirement of the feature of environmental protection.
One Chinese patent application (publication number: 101343837A) disclose a kind of environmental protection fire-resistant screen cloth; Specifically disclosing this screen cloth is to adopt the PE/PP copolymerization to form; Described PE/PP copolymeric material comprises PE, PP, elastomeric material and fire proofing etc.; Wherein with PE be 100 parts as radix, the mass ratio of each component is: PE:100 part; PP:3～60 part; Elastomeric material: 1～70 part; Fire proofing: 5～35 parts; And steps such as the process coating is extruded, warping, typing, process environmental protection fire-resistant screen cloth, the screen cloth that this method is produced; Though solved the shortcoming that adopts the PVC material to a certain extent; Has the feature of environmental protection preferably, because it is more to have added the fire retardant composition of PP material and interpolation in its clad material, though solved environmental protection and fire-retardant problem; But other poor-performings are like performances such as resilience, tensile strengths.
Summary of the invention
The present invention is directed to existing defective in the above prior art, propose a kind of preparation method of TPE screen cloth, purpose is to provide a kind of TPE screen cloth, and the TPE screen cloth that this method is produced has the advantage of high strength, high resilience and the high feature of environmental protection.
The objective of the invention is to be achieved through following technical scheme, a kind of preparation method of TPE screen cloth is characterized in that: this method may further comprise the steps:
A, batching, color matching: after TPE composite and pigment batching, add in the mixer and fully mix, get masterbatch after mixing;
B, extrude, throwing: the extrusion system that the masterbatch that obtains after above-mentioned the mixing is joined extruder plastifies into uniform melting solid, and the continuous extruder head of screw rod through extruder, in aforesaid operations, polyester filament is passed cross-head; And make the melt of extruding be coated on the outside of polyester filament, through after the bosh cooling, be shaped to the TPE yarn that coats the TPE composite then;
C, warping, weave: the above-mentioned TPE yarn that makes is processed beam of a loom through warping machines, through Rapier looms beam of a loom is processed as screen cloth again, wherein warp density is at 15～45/inch, and weft density is between 15～40/inch;
D, typing: it is under 100 ℃～140 ℃ in temperature that the screen cloth that obtains among the above-mentioned steps c is used framing shaping machine, does typing and handles, and makes the TPE screen cloth.
Above-mentioned TPE screen cloth of the present invention adopts the TPE composite to replace traditional P VC material to be coated on the polyester filament surface, is reprocessed into the TPE screen cloth, and prepared screen cloth had both had resilience preferably, had the higher feature of environmental protection again, more help suitability for industrialized production.
Among the preparation method of above-mentioned a kind of TPE screen cloth; Pigment described in the step a mainly is to adopt pigment commonly used in the prior art; And the addition of pigment can be adjusted according to actual needs; Select dyes in different colors, or can carry out suitable adjustment to the addition of dyestuff according to actual needs and select.As preferably, the weight ratio of above-mentioned TPE composite and dyestuff is 1:0.01～0.05, and the TPE yarn color that in this scope, makes is attractive in appearance, good-looking, does not also influence the quality of product.And in this scope, both guaranteed the quality of product, realized requirement attractive in appearance again.
As preferably, among the preparation method of above-mentioned a kind of TPE screen cloth of the present invention, the TPE composite described in the step a comprises the percentage by weight of following composition:
TPE material: 35%～45%; High density polyethylene (HDPE) (HDPE): 8%～18%; Linear low density polyethylene (LLDPE) (LLDPE): 20%～30%; PE glue is female: 5%～15%; PE micelle: 8%～18%.Can also be added into materials such as UV resistant agent, antiager according to actual needs in the above-mentioned TPE composite.Do not use PVC material or other plasticizer materials in the TPE composite of the present invention, like plasticizer DOP, chlorinated paraffin wax etc., so have good environmental-protecting performance.In the prior art except adopting above-mentioned PVC material or plasticizer materials; Also have used clad material be adopt that the form of PP, PE, elastomeric material copolymerization exists for material, compare than prior art, and the used TPE composite of the present invention neither need add the PVC material of feature of environmental protection difference; Need not add the PP material again; Only combine TPE material and different types of PE material, just can make made TPE yarn have higher performance, reached the requirement of the feature of environmental protection again.Select the use that combines with other PE materials of TPE material in the scope of the present invention for use, played complementary effect, just can reach the requirement of modification.Adopt TPE composite of the present invention to coat the mechanical and physical performance that the resulting TPE yarn in back had both had higher-strength on the terylene thread surface; Have very high resilience again, with the exert pressure 24 hours that is equivalent to the 100kg object, remove pressure after; Can recover shape basically in 30 minutes; The screen cloth quality that makes with this TPE yarn is good, and tearing toughness is higher, through broadwise tearing toughness＞100N.
As preferably, above-mentioned described TPE material is one or more compositions in polyolefins thermoplastic elastomer (TPO), styrene analog thermoplastic elastomer (SBC), the polyurethanes thermoplastic elastomer (TPE) (TPU); Adopt the TPE material in these preferable range, not only the elasticity capacity of material is strong, but also has the better feature of environmental protection.
Polyester filament described in preparation method's step b of above-mentioned a kind of TPE screen cloth of the present invention is meant that generally length is greater than the terylene thread more than 10 myriametres; Polyester filament described in the present invention can be selected the polyester filament of different length as required for use, also can be the terylene thread that length is not more than 10 myriametres.Polyester filament is the long filament made from terylene; Terylene is with p-phthalic acid (PTA) or dimethyl terephthalate (DMT) (DMT) and ethylene glycol (MEG) fiber-forming polymer that to be raw material make through esterification or ester exchange and polycondensation reaction, i.e. PETG (PET).Polyester filament has advantages such as high strength, heat resistance, ABRASION RESISTANCE.According to the different performance of polyester filament, specifically can be divided into high strong type and high-strength low shrinkage type polyester filament.Because the performances such as anti-fracture strength of high strong type polyester filament are more higher than other polyester filament.As preferably, described polyester filament adopts high strong type polyester filament, thereby makes the TPE yarn strength that obtains better, more helps being applied in products such as outdoor goods.
As preferably; Extrusion temperature described in the above-mentioned steps b is 180 ℃～200 ℃, under this extrusion temperature, can well the TPE composite be coated on the surface of polyester filament; Compound associativity is good; Be not easy after the moulding to break away from, help follow-up processing, also help improving the service life of product.If described extrusion temperature is too low, the covered effect of then made TPE yarn is bad, thereby influences quality, if the temperature of extruding is too high, then makes the fluidity of molten of extruding too big easily, is unfavorable for production operation, can make covered effect not good equally.
TPE yarn described in the above-mentioned steps b is to include the polyester filament heart yearn, is coated with a kind of recombination line of TPE composite on the surface of polyester filament.
Warping described in the above-mentioned steps c, weave the method that can adopt this area conventional, consistent with the production method of cloth.The screen cloth that obtains after this one step process is weaved is still comparatively loose, can't directly be used for final products, needs could use through certain processing.
As preferably, the temperature described in the above-mentioned steps d is 110 ℃～130 ℃.Under this temperature, finalize the design, can better make graticule can be bonded in one, do not make TPE screen cloth Yin Wendu too high and change performance of products or can not make between the graticule and well be bonded together again because of temperature is too low.
In sum, the present invention has the following advantages:
1, the TPE screen cloth that adopts method production of the present invention to obtain had both had stronger resilience height and tearing toughness; Have the feature of environmental protection preferably again, thereby the complex yarn feature of environmental protection of having improved the coating of available technology adopting PVC material is poor, the shortcoming that toxicity is higher.
2, it is simple to adopt method of the present invention to have technical process, and easy operating helps suitability for industrialized production.
The specific embodiment
Through specific embodiment, further bright specifically below to technical scheme work of the present invention, but the present invention is not limited to these embodiment.
Embodiment 1
TPE composite, pigment are joined in the mixer by weight the ratio that is 1: 0.02, after opening mixer material fully being mixed masterbatch;
Wherein above-mentioned described TPE composite comprises the percentage by weight of following composition:
TPE material: 40%; HDPE:12%; LLDPE:25%; PE glue is female: 13%; PE micelle: 10%;
Described pigment is blue pigment;
The extrusion system that masterbatch after above-mentioned the mixing is joined extruder plastifies into uniform melting solid, and through the continuous extruder head of screw rod of extruder, extrusion temperature is 180 ℃～200 ℃ then; When going up this operation, the polyester filament of high strong type is passed the plastic extruder head, make the melt of extruding be coated on the outside of polyester filament in the operating process; After coating the operation end, after the polyester filament process bosh cooling after coating, be shaped to the TPE yarn that coats the TPE composite; The above-mentioned TPE yarn that makes is processed beam of a loom one by one through warping machines; Through Rapier looms beam of a loom is processed as screen cloth then, the warp density of the screen cloth of being knitted is at 20～40/inch, and weft density is between 15～30/inch; Be made into after the screen cloth; It is to do typing under 120 ℃～140 ℃ to handle in temperature that the screen cloth that obtains is used framing shaping machine again, and processing promptly makes the TPE screen cloth after finishing.
Embodiment 2
TPE composite, pigment are joined in the mixer by weight the ratio that is 1: 0.05, after opening mixer material fully being mixed masterbatch;
Wherein above-mentioned described TPE composite comprises the percentage by weight of following composition:
TPE material: 35%; HDPE:18%; LLDPE:28%; PE glue is female: 5%; PE micelle: 14%;
Described pigment is yellow pigment;
The extrusion system that masterbatch after above-mentioned the mixing is joined extruder plastifies into uniform melting solid, and through the continuous extruder head of screw rod of extruder, extrusion temperature is 180 ℃～190 ℃ then; When going up this operation, the polyester filament of high strong type is passed the plastic extruder head, make the melt of extruding be coated on the outside of polyester filament in the operating process; After coating the operation end, after the polyester filament process bosh cooling after coating, be shaped to the TPE yarn that coats the TPE composite; The above-mentioned TPE yarn that makes is processed beam of a loom one by one through warping machines; Through Rapier looms beam of a loom is processed as screen cloth then, the warp density of the screen cloth of being knitted is at 15～45/inch, and weft density is between 15～40/inch; Be made into after the screen cloth; It is to do typing under 100 ℃～120 ℃ to handle in temperature that the screen cloth that obtains is used framing shaping machine again, and processing promptly makes the TPE screen cloth after finishing.
Embodiment 3
TPE composite, pigment are joined in the mixer by weight the ratio that is 1: 0.03, after opening mixer material fully being mixed masterbatch;
Wherein above-mentioned described TPE composite comprises the percentage by weight of following composition:
TPE material: 45%; HDPE:15%; LLDPE:20%; PE glue is female: 10%; PE micelle: 7%; Antiager: 3%;
Described pigment is yellow pigment;
Following method is consistent with the method for operating among the embodiment 1, repeats no more here.
Embodiment 4
TPE composite, pigment are joined in the mixer by weight the ratio that is 1: 0.03, after opening mixer material fully being mixed masterbatch;
Wherein above-mentioned described TPE composite comprises the percentage by weight of following composition:
TPE material: 45%; HDPE:18%; LLDPE:22%; PE glue is female: 5%; PE micelle: 7%; UV resistant agent: 3%;
Described pigment is yellow pigment;
Following method is consistent with the method for operating among the embodiment 1, repeats no more here.
Embodiment 5
TPE composite, pigment are joined in the mixer by weight the ratio that is 1: 0.04, after opening mixer material fully being mixed masterbatch;
Wherein above-mentioned described TPE composite comprises the percentage by weight of following composition:
TPE material: 45%; HDPE:15%; LLDPE:20%; PE glue is female: 5%; PE micelle: 7%; Antiager: 3%; UV resistant agent: 5%;
Described pigment is yellow pigment;
Following method is consistent with the method for operating among the embodiment 1, repeats no more here.
Embodiment 6
TPE composite, pigment are joined in the mixer by weight the ratio that is 1: 0.02, after opening mixer material fully being mixed masterbatch;
Wherein above-mentioned described TPE composite comprises the percentage by weight of following composition:
TPE material: 45%; HDPE:15%; LLDPE:20%; PE glue is female: 10%; PE micelle: 7%; Antiager: 3%;
Described pigment is red pigment;
Following method is consistent with the method for operating among the embodiment 2, repeats no more here.
The TPE screen cloth that obtains in picked at random the foregoing description detects performance of products, and testing result is following: the TENSILE STRENGTH of product: footpath broadwise＞200N, and the maximum elongation rate is no more than 30%; The tearing strength of product: footpath broadwise:＞100N.LIGHT COLOR FASTNESS: 4-5 level; Friction COLOR FASTNESS: 4-5 level; PERSPIRATION COLOR FASTNESS: the 4-5 level, the resilience of the TPE screen cloth that said method of the present invention makes is strong, is pressed in screen cloth after last 24 hour with the pressure that is equivalent to the 100kg substance weight, removes pressure, can recover shape basically after 30 minutes.
Specific embodiment described in the present invention only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made detailed explanation and has quoted some specific embodiments as proof, to those skilled in the art, only otherwise leave that the spirit and scope of the present invention can be done various variations or correction is obvious.
Claims (6)
1. the preparation method of a TPE screen cloth, it is characterized in that: this method may further comprise the steps:
A, batching, color matching: after TPE composite and pigment batching, add in the mixer and fully mix, get masterbatch after mixing;
B, extrude, throwing: the extrusion system that the masterbatch that obtains after above-mentioned the mixing is joined extruder plastifies into uniform melting solid, and the continuous extruder head of screw rod through extruder, in aforesaid operations, polyester filament is passed cross-head; And make the melt of extruding be coated on the outside of polyester filament, through after the bosh cooling, be shaped to the TPE yarn that coats the TPE composite then;
C, warping, weave: the above-mentioned TPE yarn that makes is processed beam of a loom through warping machines, through Rapier looms beam of a loom is processed as screen cloth again, wherein warp density is at 15～45/inch, and weft density is between 15～40/inch;
D, typing: it is under 100 ℃～140 ℃ in temperature that the screen cloth that obtains among the above-mentioned steps c is used framing shaping machine, does typing and handles, and makes the TPE screen cloth.
2. the preparation method of a kind of TPE screen cloth according to claim 1 is characterized in that: the TPE composite described in the step a comprises the percentage by weight of following composition:
TPE material: 35%～45%; High density polyethylene (HDPE) (HDPE): 8%～18%; Linear low density polyethylene (LLDPE) (LLDPE): 20%～30%; PE glue is female: 5%～15%; PE micelle: 8%～18%.
3. the preparation method of a kind of TPE screen cloth according to claim 2 is characterized in that: described TPE material is one or more compositions in polyolefins thermoplastic elastomer (TPO), styrene analog thermoplastic elastomer (SBC), the polyurethanes thermoplastic elastomer (TPE) (TPU).
4. the preparation method of a kind of TPE screen cloth according to claim 1 and 2 is characterized in that: the extrusion temperature described in the above-mentioned steps b is 180 ℃～200 ℃.
5. the preparation method of a kind of TPE screen cloth according to claim 1 and 2 is characterized in that: the polyester filament described in the above-mentioned steps b is a kind of in high strong type polyester filament, the high-strength low shrinkage type polyester filament.
6. the preparation method of a kind of TPE screen cloth according to claim 1 and 2 is characterized in that: the temperature described in the above-mentioned steps d is 110 ℃～130 ℃.
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| CN2011101568653A CN102230251B (en) | 2011-06-13 | 2011-06-13 | Method for preparing TPE screen cloth |
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| CN2011101568653A CN102230251B (en) | 2011-06-13 | 2011-06-13 | Method for preparing TPE screen cloth |
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| CN103710981A (en) * | 2013-11-26 | 2014-04-09 | 彭志 | High-performance multifunctional coating applicable to polypropylene fiber fabric |
| CN103696086B (en) * | 2013-12-18 | 2014-12-24 | 浙江铭龙基布有限公司 | Production method for stationery clamp screen cloth |
| CN104404686B (en) * | 2014-12-09 | 2016-05-18 | 温多利遮阳科技（德州）有限公司 | The one sun shading material that interweaves |
| CN104928827B (en) * | 2015-07-06 | 2017-01-18 | 海盐纵诚物资有限公司 | TPE fabric for outdoor products |
| CN107523920B (en) * | 2016-06-21 | 2021-03-23 | 顺益材料股份有限公司 | Composite reinforced fabric and method for making same |
| US11060215B2 (en) | 2017-01-26 | 2021-07-13 | Bright Cheers International Limited | Reinforced composite fabric and method for preparing the same |
| CN106978667A (en) * | 2017-04-24 | 2017-07-25 | 东莞易昌塑胶布业有限公司 | A kind of screen cloth preparation method |
| CN108130650A (en) * | 2017-12-22 | 2018-06-08 | 东莞市兴联电线有限公司 | A kind of fishing net anti-fouling method based on hot-melt extruded encapsulation techniques |
| CN109049941B (en) * | 2018-07-20 | 2021-05-11 | 福建思嘉环保材料科技有限公司 | Preparation process of TPU wear-resistant space cloth |
| CN110685036A (en) * | 2019-10-12 | 2020-01-14 | 江苏馨德高分子材料股份有限公司 | Production method of flame-retardant and oil-stain-resistant TPE (thermoplastic elastomer) yarn |
| CN114228023B (en) * | 2021-12-15 | 2023-02-28 | 北京化工大学 | Hot press molding method and device for double-component single polymer composite material product |
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