CN104018351B - A kind of ecological, environmental protective fabric and manufacture method thereof - Google Patents
A kind of ecological, environmental protective fabric and manufacture method thereof Download PDFInfo
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- CN104018351B CN104018351B CN201410212070.3A CN201410212070A CN104018351B CN 104018351 B CN104018351 B CN 104018351B CN 201410212070 A CN201410212070 A CN 201410212070A CN 104018351 B CN104018351 B CN 104018351B
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Abstract
The present invention relates to a kind of ecological, environmental protective fabric, it comprises substrate fabric and is coated in polyurethane coating on described substrate fabric, described polyurethane coating by the aqueous dispersions of dipping containing polyurethane prepolymer and solidification obtain; Wherein, the described aqueous dispersions containing polyurethane prepolymer is the aqueous dispersions formed by performed polymer component, oligomer component, polyallylamine resins, emulsifying agent, bleeding agent and softener.Ecological, environmental protective fabric of the present invention not only has the mechanical property of improvement, and has excellent ageing resistance and hydrolytic resistance; Its manufacture, deposit and wear during all formaldehydeless release, environmentally friendly, and comfortable feel, moisture-penetrable ventilated property are good.
Description
Technical field
The present invention relates to the technical field of weaving face fabric, more particularly, the present invention relates to ecological, environmental protective fabric and manufacture method thereof.
Background technology
Fabric coating finishing agent, also known as coating adhesive, is a kind of macromolecule compound being spread evenly across fabric face.Fabric through coating process can form one or more layers film at fabric face, the effect such as the resilience of fabric height and plentiful feel can be given, but also can give and there is waterproof and breathable, water pressure resistance, ventilating and moisture-permeable, the specific function such as fire-retardant, antifouling and/or antistatic.
Fabric coating glue mainly solvent-borne type, generally include solvent-borne type polyvinyl chloride, acrylate and polyurethanes, but solvent type coating adhesive is usually containing N-methylol amide compounds, they are at dipping, and fabric after coating is being deposited or in wearing process, also decomposing or discharge formaldehyde, is all there is health risk to health or environment.Along with more and more higher to the index request of environmental requirement, in prior art, also develop multiple aqueous coating glue successively, such as water-and acrylate or aqueous polyurethane coating glue.Although aqueous polyurethane has soft, advantage comfortable and easy to wear, its weatherability, hydrolytic resistance and functionally still to have much room for improvement.
Summary of the invention
In view of the above-mentioned technical problem existed in prior art, the object of the present invention is to provide a kind of production process without " three wastes ", environmental friendliness, and the ecological, environmental protective fabric of formaldehydeless release and manufacture method thereof.
In order to realize foregoing invention object, a first aspect of the present invention relates to following technical scheme:
A kind of ecological, environmental protective fabric, it comprises substrate fabric and is coated in the polyurethane coating on described substrate fabric, it is characterized in that: described polyurethane coating by the aqueous dispersions of dipping containing polyurethane prepolymer and solidification obtain, and the coated weight of described polyurethane coating is 20 ~ 100g/m
2.
Wherein, described substrate fabric is textile fabric or non-woven fibre, and described fiber is selected from the one in natural fabric, synthetic fiber or blend fibre.
Wherein, the described aqueous dispersions containing polyurethane prepolymer is the aqueous dispersions formed by performed polymer component, oligomer component, polyallylamine resins, emulsifying agent, bleeding agent, softener and water.Described performed polymer component is obtained by the catalyst preparing of the polyester polyol containing the vulcabond of 22.0 ~ 27.5 weight portions, 12.5 ~ 15.0 weight portions, the Hydroxypropyl methacrylate of 1.5 ~ 2.5 weight portions, the chain extender of 3.5 ~ 5.0 weight portions and 0.1 ~ 0.2 weight portion.Wherein, described oligomer component is by the polyether diols of 6 ~ 8 weight portions, and the end hydroxy butadiene of 1.2 ~ 1.5 weight portions and the chain extender of 2.0 ~ 3.0 weight portions form.
Wherein, described vulcabond is selected from aliphatic diisocyanate, aromatic diisocyanate, alicyclic diisocyanate or their mixture.Example as aliphatic diisocyanate comprises isophorone diisocyanate, 4,4 ,-dicyclohexyl methyl hydride diisocyanate or 1,6-hexamethylene diisocyanate.Example as aromatic isocyanate comprises 4,4 ,-methyl diphenylene diisocyanate, toluene di-isocyanate(TDI), XDI.As preferably, described vulcabond is MDI, TDI or the mixture of the two; More preferably, described vulcabond is liquefied mdi.Wherein, described chain extender refers to the compound containing Liang Ge functional group, normally Small molecular dihydroxylic alcohols, diamine, monoethanolamine etc.Described chain extender is at least one in BDO, ethylene glycol, 1,3-PD, diglycol, ethylenediamine, hexamethylene diamine, diethanol amine, triethanolamine and glycerol.As preferably, described chain extender is BDO.
Wherein, described polyester polyol is aromatic polyol, and the degree of functionality of described aromatic polyol is 1.8 ~ 2.2.
Wherein, described polyether diols take propylene glycol as the polyether diols of initiator, and its hydroxyl is 105 ~ 115mgKOH/g.
A second aspect of the present invention also relates to the manufacture method of above-mentioned ecological, environmental protective fabric, it is characterized in that: said method comprising the steps of: said method comprising the steps of: (a) utilizes the aqueous dispersions dipping substrate fabric of polyurethane prepolymer; B () carries out drying and processing under 50 ~ 70 DEG C of conditions, the time is 8 ~ 10 minutes; C () was 90 ~ 100 DEG C of solidification process 3 ~ 5 minutes.
Compared with prior art, ecological, environmental protective fabric of the present invention and manufacture method thereof have following outstanding beneficial effect:
Ecological, environmental protective fabric of the present invention not only has the mechanical property of improvement, and has excellent ageing resistance and hydrolytic resistance; Its manufacture, deposit and wear during all formaldehydeless release, environmentally friendly, and comfortable feel, moisture-penetrable ventilated property are good.
Detailed description of the invention
Below with reference to specific embodiment, ecological, environmental protective fabric of the present invention and manufacture method thereof are further elaborated, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme; It is to be noted that the description of related materials and performance etc. is all exemplary in embodiment, and do not refer to the restriction to invention protection domain.
Ecological, environmental protective fabric of the present invention, it comprises substrate fabric and is coated in the polyurethane coating on described substrate fabric, described polyurethane coating by the aqueous dispersions of dipping containing polyurethane prepolymer and solidification obtain, and the coated weight of described polyurethane coating is 20 ~ 100g/m
2.The described aqueous dispersions containing polyurethane prepolymer is the aqueous dispersions formed by the water of the emulsifying agent of the polyallylamine resins of the oligomer component of the performed polymer component of 14 ~ 16wt%, 5.0 ~ 7.0wt%, 6 ~ 8wt%, 0.5 ~ 1.2wt%, the bleeding agent of 1.0 ~ 3.0wt%, the softener of 1.0 ~ 3.0wt% and surplus.Wherein, described performed polymer component is obtained by the catalyst preparing of the polyester polyol containing the vulcabond of 22.0 ~ 27.5 weight portions, 12.5 ~ 15.0 weight portions, the Hydroxypropyl methacrylate of 1.5 ~ 2.5 weight portions, the chain extender of 3.5 ~ 5.0 weight portions and 0.1 ~ 0.2 weight portion; Described oligomer component is by the polyether diols of 6 ~ 8 weight portions, and the end hydroxy butadiene of 1.2 ~ 1.5 weight portions and the chain extender of 2.0 ~ 3.0 weight portions form.The ecological, environmental protective fabric of described method can be prepared by the method comprised the following steps: (a) utilizes the aqueous dispersions dipping substrate fabric of polyurethane prepolymer; B () carries out drying and processing under 50 ~ 70 DEG C of conditions, the time is 8 ~ 10 minutes; C () was 90 ~ 100 DEG C of solidification process 3 ~ 5 minutes.Specifically, the aqueous dispersions of described polyurethane prepolymer is prepared by the method comprised the following steps: (1) is by the vulcabond of 22.0 ~ 27.5 weight portions, the polyester polyol of 12.5 ~ 15.0 weight portions, the Hydroxypropyl methacrylate of 1.5 ~ 2.5 weight portions, the chain extender of 3.5 ~ 5.0 weight portions and the catalyst of 0.1 ~ 0.2 weight portion are placed in reactor, then react 2 ~ 3 hours under 50 ~ 70 DEG C of conditions, then 40 ~ 50 DEG C are cooled to, the content controlling-NCO is that 10 ~ 12% of performed polymer component weight obtains performed polymer component, after discharging, sealing is preserved, (2) by the polyether diols of 6 ~ 8 weight portions, the end hydroxy butadiene of 1.2 ~ 1.5 weight portions and the chain extender of 2.0 ~ 3.0 weight portions are placed in reactor, and at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved, (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.5 ~ 1.2wt% mixes, then under the condition of high-speed stirred, (1500 ~ 2500rpm) adds the polyallylamine resins of the performed polymer component of 14 ~ 16wt%, the oligomer component of 5.0 ~ 7.0wt% and 6 ~ 8wt%, then slowly drips remaining deionized water, finally add the bleeding agent of 1.0 ~ 3.0wt%, aqueous dispersions that the softener of 1.0 ~ 3.0wt% can obtain containing polyurethane prepolymer.In following examples and comparative example: described polyallylamine resins is PAA-01, molecular weight is 1000 (Nitto Boseki Co., Ltd. NittoBosekiCo.Ltd.).Described emulsifying agent is dodecyl sodium sulfate; Described bleeding agent is fatty alcohol-polyoxyethylene ether JFC-1; Described softener is polyoxyethylene stearic acid ester SG-6.Described vulcabond is the MDI of carbodiimides-uretonimine-modified, Yantai Wanhua Polyurethane Co., Ltd (WannateMDI-100HL).Described polyester polyol is Stepanol series aromatic polyester polyol (trade mark is StepanolPD-90LV) of Stepan company.Described polyether diols is take propylene glycol as the polyether diols of initiator, and hydroxyl is 105 ~ 115mgKOH/g, and the trade mark is Voranol220-110N.The hydrogenation degree of described terminal hydroxy group hydrogenated butadiene polymer is greater than 98%, and hydroxy functionality is 1.9, and hydroxyl value is 31mgKOH/g, and molecular weight is 3100 (Sartomer company of the U.S., KrasolHLBH-P3000).
Embodiment 1
The aqueous dispersions of the polyurethane prepolymer of the present embodiment is prepared by the method comprised the following steps: (1) is by the Hydroxypropyl methacrylate of the polyester polyol of the vulcabond of 22.0 weight portions, 12.5 weight portions, 2.0 weight portions, 1 of 3.5 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then react 2 ~ 3 hours under 60 DEG C of conditions, then 40 DEG C are cooled to, the content controlling-NCO is that 10% of performed polymer component weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 6 weight portions, the end hydroxy butadiene of 1.2 weight portions and the BDO of 2.0 weight portions are placed in reactor, and at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved; (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.8wt% mixes, then under the speed conditions of 2000rpm, add the polyallylamine resins of the performed polymer component of 15wt%, the oligomer component of 6.0wt% and 6wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, aqueous dispersions that the softener of 2.0wt% can obtain containing polyurethane prepolymer.
Embodiment 2
The aqueous dispersions of the polyurethane prepolymer of the present embodiment is prepared by the method comprised the following steps: (1) is by the Hydroxypropyl methacrylate of the polyester polyol of the vulcabond of 25.0 weight portions, 13.5 weight portions, 2.0 weight portions, 1 of 4.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then react 2 ~ 3 hours under 60 DEG C of conditions, then 40 DEG C are cooled to, the content controlling-NCO is that 10% of performed polymer component weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 8 weight portions, the end hydroxy butadiene of 1.5 weight portions and the BDO of 3.0 weight portions are placed in reactor, and at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved; (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.8wt% mixes, then under the speed conditions of 2000rpm, add the polyallylamine resins of the performed polymer component of 15wt%, the oligomer component of 6.0wt% and 8wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, aqueous dispersions that the softener of 2.0wt% can obtain containing polyurethane prepolymer.
Embodiment 3
The aqueous dispersions of the polyurethane prepolymer of the present embodiment is prepared by the method comprised the following steps: (1) is by the Hydroxypropyl methacrylate of the polyester polyol of the vulcabond of 27.5 weight portions, 15.0 weight portions, 2.5 weight portions, 1 of 5.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.10 weight portion is placed in reactor, then react 2 ~ 3 hours under 60 DEG C of conditions, then 40 DEG C are cooled to, the content controlling-NCO is that 12% of performed polymer component weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 6.0 weight portions, the end hydroxy butadiene of 1.2 weight portions and the BDO of 2.0 weight portions are placed in reactor, and at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved; (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.8wt% mixes, then under the speed conditions of 2000rpm, add the polyallylamine resins of the performed polymer component of 15.0wt%, the oligomer component of 5.0wt% and 6wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, aqueous dispersions that the softener of 2.0wt% can obtain containing polyurethane prepolymer.
Comparative example 1
The aqueous dispersions of the polyurethane prepolymer of this comparative example is prepared by the method comprised the following steps: (1) is by the Hydroxypropyl methacrylate of the polyester polyol of the vulcabond of 25.0 weight portions, 13.5 weight portions, 2.0 weight portions, 1 of 4.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then react 2 ~ 3 hours under 60 DEG C of conditions, then 40 DEG C are cooled to, the content controlling-NCO is that 10% of performed polymer component weight obtains performed polymer component, and after discharging, sealing is preserved; (2) BDO of the polyether diols of 8 weight portions and 3.0 weight portions is placed in reactor, at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved; (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.8wt% mixes, then under the speed conditions of 2000rpm, add the polyallylamine resins of the performed polymer component of 15wt%, the oligomer component of 6.0wt% and 8wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, aqueous dispersions that the softener of 2.0wt% can obtain containing polyurethane prepolymer.
Comparative example 2
The aqueous dispersions of the polyurethane prepolymer of this comparative example is prepared by the method comprised the following steps: (1) is by the Hydroxypropyl methacrylate of the polyester polyol of the vulcabond of 25.0 weight portions, 13.5 weight portions, 2.0 weight portions, 1 of 4.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then react 2 ~ 3 hours under 60 DEG C of conditions, then 40 DEG C are cooled to, the content controlling-NCO is that 10% of performed polymer component weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 8 weight portions, the end hydroxy butadiene of 1.5 weight portions and the BDO of 3.0 weight portions are placed in reactor, and at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved; (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.8wt% mixes, then under the speed conditions of 2000rpm, add the performed polymer component of 15wt%, the oligomer component of 6.0wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, aqueous dispersions that the softener of 2.0wt% can obtain containing polyurethane prepolymer.
Exemplarily property ground, the aqueous dispersions containing polyurethane prepolymer embodiment 1 ~ 3 and comparative example 1 ~ 2 prepared is immersed in substrate fabric (pure cotton cloth, 110 × 76) on, then under 60 DEG C of conditions, carry out drying and processing, the time is 10 minutes; Finally the fabric containing polyurethane coating within 3 minutes, can be obtained, in order to the coated weight of more convenient described coating is about 50g/m 100 DEG C of solidification process
3(coated weight can be regulated by regulating the parameters such as the dip time of the aqueous dispersions containing polyurethane prepolymer).The fabric containing polyurethane coating obtained is carried out performance test, and the method that wherein vapor transfer rate specifies according to GB/T12704-1991 performs; TENSILE STRENGTH and elongation at break (warp-wise) perform according to the method specified in HG/T2580-1994; The method that surface moisture resistance specifies according to GB/T4745 performs.
Test result is as shown in table 1:
Table 1
Be keep 30 days under the airtight condition of 80 DEG C and 90%RH in temperature by the fabric containing polyurethane coating obtained, and then carry out above-mentioned test, test result is as shown in table 2.
Table 2
As shown in Table 1, the fabric obtained by method of the present invention not only has waterproofing and moisture-penetration performances, but also has good poisture-penetrability, ensure that the comfortableness of dress; And the fabric moisture resistance that comparative example obtains is poor.As shown in Table 2, the fabric that the present invention obtains has excellent durability, and the fabric of comparative example is after the accelerated ageing process keeping 30 days under the airtight condition of 80 DEG C and 90%RH through excess temperature, its intensity only remains on initial about 40 ~ 50%, and its elongation at break aggravates to decline especially.
For the ordinary skill in the art; specific embodiment is just to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (4)
1. a manufacture method for ecological, environmental protective fabric, described ecological, environmental protective fabric comprises substrate fabric and is coated in the polyurethane coating on described substrate fabric, and the coated weight of described polyurethane coating is 20 ~ 100g/m
2, it is characterized in that: described manufacture method comprises the following steps: (a) utilizes the aqueous dispersions dipping substrate fabric of polyurethane prepolymer, b () carries out drying and processing under 50 ~ 70 DEG C of conditions, the time is 8 ~ 10 minutes, c () was 90 ~ 100 DEG C of solidification process 3 ~ 5 minutes, wherein, the aqueous dispersions of described polyurethane prepolymer is prepared by the method comprised the following steps: (1) is by the vulcabond of 22.0 ~ 27.5 weight portions, the polyester polyol of 12.5 ~ 15.0 weight portions, the Hydroxypropyl methacrylate of 1.5 ~ 2.5 weight portions, the chain extender of 3.5 ~ 5.0 weight portions and the catalyst of 0.1 ~ 0.2 weight portion are placed in reactor, then react 2 ~ 3 hours under 50 ~ 70 DEG C of conditions, then 40 ~ 50 DEG C are cooled to, the content controlling-NCO is that 10 ~ 12% of performed polymer component weight obtains performed polymer component, after discharging, sealing is preserved, (2) by the polyether diols of 6 ~ 8 weight portions, the end hydroxy butadiene of 1.2 ~ 1.5 weight portions and the chain extender of 2.0 ~ 3.0 weight portions are placed in reactor, and at 40 DEG C, fully mixing obtained oligomer component after 1 hour, and after discharging, sealing is preserved, (3) deionized water of 10wt% is added in a kettle., then the emulsifying agent adding 0.5 ~ 1.2wt% mixes, then low whipping speed is the polyallylamine resins adding the performed polymer component of 14 ~ 16wt%, the oligomer component of 5.0 ~ 7.0wt% and 6 ~ 8wt% under the condition of 1500 ~ 2500rpm, then slowly drips remaining deionized water, finally add the bleeding agent of 1.0 ~ 3.0wt%, aqueous dispersions that the softener of 1.0 ~ 3.0wt% can obtain containing polyurethane prepolymer.
2. ecological, environmental protective fabric according to claim 1, is characterized in that: described vulcabond is the MDI of Carbodiimide-Modified; Described polyester polyol is aromatic polyester polyol, and the degree of functionality of described aromatic polyol is 1.8 ~ 2.2; Described chain extender is BDO.
3. ecological, environmental protective fabric according to claim 1, is characterized in that: described polyether diols take propylene glycol as the polyether diols of initiator, and its hydroxyl is 105 ~ 115mgKOH/g.
4. ecological, environmental protective fabric according to claim 1, is characterized in that: the number-average molecular weight of described polyallylamine resins is 800 ~ 1500.
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| CN104018351B true CN104018351B (en) | 2016-01-20 |
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| EP2993202A1 (en) * | 2014-09-08 | 2016-03-09 | Evonik Degussa GmbH | Composite semifinished products, and moulded parts produced from same, and moulded parts produced directly based on hydroxy-functionalized (meth)acrylates and uretdiones with duroplastic cross-linking |
| CN105401442B (en) * | 2015-11-30 | 2018-02-06 | 泰安路德工程材料有限公司 | A kind of Coating Processes of superhigh molecular weight polyethylene fibers grid |
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| US20040077236A1 (en) * | 2001-02-01 | 2004-04-22 | Hideaki Ishii | Silicone coating cloth and air bag |
| JP2007169815A (en) * | 2005-12-21 | 2007-07-05 | Toyobo Co Ltd | Coated fabric for air bag, which has excellent flame retardancy and peel strength |
| CN102747611B (en) * | 2012-06-21 | 2016-01-20 | 福建宝利特纺织涂层有限公司 | A kind of preparation method of environmental protection case and bag coating fabric |
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Denomination of invention: Biological environment-friendly fabric and manufacturing method thereof Effective date of registration: 20171120 Granted publication date: 20160120 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing branch Pledgor: Jiaxing Fushengda Dyeing & Finishing Co., Ltd. Registration number: 2017330000181 |
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Address after: 314001 Zhejiang province Jiaxing city Xiuzhou District Honghe Industrial Park dyeing and finishing area Patentee after: Zhejiang Fu Shengda Technology Co., Ltd. Address before: Jiaxing City, Zhejiang Province town of Xiuzhou District 314000 area Hongfu Road Hong dyeing and finishing Patentee before: Jiaxing Fushengda Dyeing & Finishing Co., Ltd. |