CN104018351A - Biological environment-friendly fabric and manufacturing method thereof - Google Patents
Biological environment-friendly fabric and manufacturing method thereof Download PDFInfo
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- CN104018351A CN104018351A CN201410212070.3A CN201410212070A CN104018351A CN 104018351 A CN104018351 A CN 104018351A CN 201410212070 A CN201410212070 A CN 201410212070A CN 104018351 A CN104018351 A CN 104018351A
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Abstract
Biological environment-friendly fabric comprises base fabric and a polyurethane coating coating the base fabric; the polyurethane coating is obtained by dipping in a water dispersion solution containing a polyurethane prepolymer and performing solidifying. The water dispersion solution containing the polyurethane prepolymer is a water dispersion solution formed by a prepolymer composition, an oligomer composition, polyacrylamide resin, an emulsifier, an osmotic agent and a softening agent. The biological environment-friendly fabric has modified mechanical property and excellent aging resistance and hydrolysis resistance, does not release formaldehyde in periods of manufacturing, storage and being worn, is environment-friendly, comfortable in handfeel and good in moisture penetrability and air permeability.
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 claims again coating adhesive, is a kind of macromolecule compound of evenly coating fabric face.Fabric through coating processing can form one or more layers film at fabric face, can give the high resilience of fabric and plentiful feel texts, there is waterproof and breathable, water pressure resistance but also can give, ventilating and moisture-permeable, the specific function such as fire-retardant, antifouling and/or antistatic.
Fabric coating glue is mainly solvent-borne type, generally include solvent-borne type polyvinyl chloride, acrylate and polyurethanes, but solvent type coating adhesive contains N-methylol amide compounds conventionally, they are at dipping, and fabric after coating deposit or wearing process in, also can decompose or discharge formaldehyde, be to health or environment all exists health risk.Along with the index request to environmental requirement is more and more higher, multiple aqueous coating glue, for example water-and acrylate or aqueous polyurethane coating glue in prior art, are also developed successively.Although aqueous polyurethane has soft, advantage comfortable and easy to wear, its weatherability, hydrolytic resistance and functionally still have much room for improvement.
Summary of the invention
In view of the above-mentioned technical problem existing in prior art, the object of the present invention is to provide a kind of production process without " three wastes ", environmental friendliness, and ecological, environmental protective fabric and the manufacture method thereof of formaldehydeless release.
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: the aqueous dispersions that described polyurethane coating contains polyurethane prepolymer by dipping curing obtaining, 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 aqueous dispersions that contains polyurethane prepolymer described in is the aqueous dispersions being formed by performed polymer component, oligomer component, polyallylamine resin, emulsifying agent, bleeding agent, softener and water.Described performed polymer component is prepared by the polyester polyol of the vulcabond that contains 22.0～27.5 weight portions, 12.5～15.0 weight portions, methacrylic acid-2-hydroxypropyl acrylate, the chain extender of 3.5～5.0 weight portions and the catalyst of 0.1～0.2 weight portion of 1.5～2.5 weight portions.Wherein, described oligomer component is by the polyether diols of 6～8 weight portions, and the chain extender of the end hydroxy butadiene of 1.2～1.5 weight portions and 2.0～3.0 weight portions forms.
Wherein, described vulcabond is selected from aliphatic diisocyanate, aromatic diisocyanate, alicyclic diisocyanate or their mixture.Comprise isophorone diisocyanate, 4,4 as the example of aliphatic diisocyanate ,-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 that contains Liang Ge functional group, normally little molecule 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 is the polyether diols taking propylene glycol as 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: the aqueous dispersions dipping substrate fabric that (a) utilizes polyurethane prepolymer; (b) under 50～70 DEG C of conditions, carry out drying and processing, the time is 8～10 minutes; (c) solidify and process 3～5 minutes at 90～100 DEG C.
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 improved mechanical property, and has excellent ageing resistance and hydrolytic resistance; Its all formaldehydeless release during manufacturing, depositing and wear, environmentally friendly, and also 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, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme; It is to be noted that the description of related materials in embodiment and performance etc. is all exemplary, 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, the aqueous dispersions that described polyurethane coating contains polyurethane prepolymer by dipping curing obtaining, and the coated weight of described polyurethane coating is 20～100g/m
2.The described aqueous dispersions that contains polyurethane prepolymer is the aqueous dispersions being formed by the bleeding agent of the emulsifying agent of the polyallylamine resin of the oligomer component of the performed polymer component of 14～16wt%, 5.0～7.0wt%, 6～8wt%, 0.5～1.2wt%, 1.0～3.0wt%, the softener of 1.0～3.0wt% and the water of surplus.Wherein, described performed polymer component is prepared by the polyester polyol of the vulcabond that contains 22.0～27.5 weight portions, 12.5～15.0 weight portions, methacrylic acid-2-hydroxypropyl acrylate, the chain extender of 3.5～5.0 weight portions and the catalyst of 0.1～0.2 weight portion of 1.5～2.5 weight portions; Described oligomer component is by the polyether diols of 6～8 weight portions, and the chain extender of the end hydroxy butadiene of 1.2～1.5 weight portions and 2.0～3.0 weight portions forms.The ecological, environmental protective fabric of described method can prepare by the method comprising the following steps: the aqueous dispersions dipping substrate fabric that (a) utilizes polyurethane prepolymer; (b) under 50～70 DEG C of conditions, carry out drying and processing, the time is 8～10 minutes; (c) solidify and process 3～5 minutes at 90～100 DEG C.Specifically, the aqueous dispersions of described polyurethane prepolymer prepares by the method comprising 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, methacrylic acid-2-hydroxypropyl acrylate of 1.5～2.5 weight portions, the catalyst of the chain extender of 3.5～5.0 weight portions and 0.1～0.2 weight portion is placed in reactor, then under 50～70 DEG C of conditions, react 2～3 hours, then be cooled to 40～50 DEG C, the content of control-NCO is that 10～12% of performed polymer component gross weight obtains performed polymer component, after discharging, sealing is preserved, (2) by the polyether diols of 6～8 weight portions, the chain extender of the end hydroxy butadiene of 1.2～1.5 weight portions and 2.0～3.0 weight portions is placed in reactor, at 40 DEG C, fully mixes after 1 hour and obtains oligomer component, and after discharging, sealing is preserved, (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.5～1.2wt% to mix, then under the condition of high-speed stirred, (1500～2500rpm) adds performed polymer component, the oligomer component of 5.0～7.0wt% and the polyallylamine resin of 6～8wt% of 14～16wt%, then slowly drips remaining deionized water, finally add the bleeding agent of 1.0～3.0wt%, the softener of 1.0～3.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.In following examples and comparative example: described polyallylamine resin is PAA-01, molecular weight is 1000 (NittoBosekiCo.Ltd. of Nitto Boseki Co., 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 the Stepanol series aromatic polyester polyol (trade mark is Stepanol PD-90LV) of Stepan company.Described polyether diols is the polyether diols taking propylene glycol as 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 prepares by the method comprising the following steps: (1) is by 1 of methacrylic acid-2-hydroxypropyl acrylate of the polyester polyol of the vulcabond of 22.0 weight portions, 12.5 weight portions, 2.0 weight portions, 3.5 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then under 60 DEG C of conditions, react 2～3 hours, then be cooled to 40 DEG C, the content of control-NCO is that 10% of performed polymer component gross weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 6 weight portions, the BDO of the end hydroxy butadiene of 1.2 weight portions and 2.0 weight portions is placed in reactor, at 40 DEG C, fully mixes after 1 hour and obtains oligomer component, and after discharging, sealing is preserved; (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.8wt% to mix, then under the speed conditions of 2000rpm, add performed polymer component, the oligomer component of 6.0wt% and the polyallylamine resin of 6wt% of 15wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, the softener of 2.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.
Embodiment 2
The aqueous dispersions of the polyurethane prepolymer of the present embodiment prepares by the method comprising the following steps: (1) is by 1 of methacrylic acid-2-hydroxypropyl acrylate of the polyester polyol of the vulcabond of 25.0 weight portions, 13.5 weight portions, 2.0 weight portions, 4.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then under 60 DEG C of conditions, react 2～3 hours, then be cooled to 40 DEG C, the content of control-NCO is that 10% of performed polymer component gross weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 8 weight portions, the BDO of the end hydroxy butadiene of 1.5 weight portions and 3.0 weight portions is placed in reactor, at 40 DEG C, fully mixes after 1 hour and obtains oligomer component, and after discharging, sealing is preserved; (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.8wt% to mix, then under the speed conditions of 2000rpm, add performed polymer component, the oligomer component of 6.0wt% and the polyallylamine resin of 8wt% of 15wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, the softener of 2.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.
Embodiment 3
The aqueous dispersions of the polyurethane prepolymer of the present embodiment prepares by the method comprising the following steps: (1) is by 1 of methacrylic acid-2-hydroxypropyl acrylate of the polyester polyol of the vulcabond of 27.5 weight portions, 15.0 weight portions, 2.5 weight portions, 5.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.10 weight portion is placed in reactor, then under 60 DEG C of conditions, react 2～3 hours, then be cooled to 40 DEG C, the content of control-NCO is that 12% of performed polymer component gross weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 6.0 weight portions, the BDO of the end hydroxy butadiene of 1.2 weight portions and 2.0 weight portions is placed in reactor, at 40 DEG C, fully mixes after 1 hour and obtains oligomer component, and after discharging, sealing is preserved; (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.8wt% to mix, then under the speed conditions of 2000rpm, add performed polymer component, the oligomer component of 5.0wt% and the polyallylamine resin of 6wt% of 15.0wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, the softener of 2.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.
Comparative example 1
The aqueous dispersions of the polyurethane prepolymer of this comparative example prepares by the method comprising the following steps: (1) is by 1 of methacrylic acid-2-hydroxypropyl acrylate of the polyester polyol of the vulcabond of 25.0 weight portions, 13.5 weight portions, 2.0 weight portions, 4.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then under 60 DEG C of conditions, react 2～3 hours, then be cooled to 40 DEG C, the content of control-NCO is that 10% of performed polymer component gross 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 to reactor, at 40 DEG C, fully mixes after 1 hour and obtain oligomer component, after discharging, sealing is preserved; (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.8wt% to mix, then under the speed conditions of 2000rpm, add performed polymer component, the oligomer component of 6.0wt% and the polyallylamine resin of 8wt% of 15wt%, then slowly drip remaining deionized water; Finally add the bleeding agent of 2.0wt%, the softener of 2.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.
Comparative example 2
The aqueous dispersions of the polyurethane prepolymer of this comparative example prepares by the method comprising the following steps: (1) is by 1 of methacrylic acid-2-hydroxypropyl acrylate of the polyester polyol of the vulcabond of 25.0 weight portions, 13.5 weight portions, 2.0 weight portions, 4.0 weight portions, the dibutyl tin laurate of 4-butanediol and 0.12 weight portion is placed in reactor, then under 60 DEG C of conditions, react 2～3 hours, then be cooled to 40 DEG C, the content of control-NCO is that 10% of performed polymer component gross weight obtains performed polymer component, and after discharging, sealing is preserved; (2) by the polyether diols of 8 weight portions, the BDO of the end hydroxy butadiene of 1.5 weight portions and 3.0 weight portions is placed in reactor, at 40 DEG C, fully mixes after 1 hour and obtains oligomer component, and after discharging, sealing is preserved; (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.8wt% to mix, 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%, the softener of 2.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.
As exemplarily, the aqueous dispersions that contains polyurethane prepolymer that embodiment 1～3 and comparative example 1～2 are prepared is immersed in substrate fabric (pure cotton cloth, 110 × 76) upper, then under 60 DEG C of conditions, carry out drying and processing, the time is 10 minutes; Finally solidify processing at 100 DEG C and can obtain the fabric that contains polyurethane coating in 3 minutes, for the coated weight of more convenient described coating is about 50g/m
3(parameter such as dip time of the aqueous dispersions that can contain polyurethane prepolymer by adjusting regulates coated weight).The fabric that contains polyurethane coating obtaining is carried out to performance test, and the method that wherein vapor transfer rate specifies according to GB/T12704-1991 is carried out; TENSILE STRENGTH and elongation at break (warp-wise) are carried out according to the method specifying in HG/T2580-1994; The method that surface moisture resistance specifies according to GB/T4745 is carried out.
Test result is as shown in table 1:
Table 1
Be to keep 30 days under the airtight condition of 80 DEG C and 90%RH in temperature by the fabric that contains polyurethane coating obtaining, and then carry out above-mentioned test, test result is as shown in table 2.
Table 2
As shown in Table 1, the fabric obtaining by method of the present invention not only has waterproofing and moisture-penetration performances, but also has good poisture-penetrability, has ensured 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 that keeps 30 days under the airtight condition of 80 DEG C and 90%RH is processed through excess temperature, its intensity only remains on 40～50% initial left and right, and its elongation at break aggravates to decline especially.
For the ordinary skill in the art; specific embodiment is just exemplarily described the present invention; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (10)
1. an ecological, environmental protective fabric, it comprises substrate fabric and is coated in the polyurethane coating on described substrate fabric, it is characterized in that: the aqueous dispersions that described polyurethane coating contains polyurethane prepolymer by dipping curing obtaining, and the coated weight of described polyurethane coating is 20～100g/m
2.
2. ecological, environmental protective fabric according to claim 1, is characterized in that: 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.
3. ecological, environmental protective fabric according to claim 1, is characterized in that: described in contain polyurethane prepolymer aqueous dispersions be the aqueous dispersions being formed by performed polymer component, oligomer component, polyallylamine resin, emulsifying agent, bleeding agent, softener and water.
4. ecological, environmental protective fabric according to claim 3, is characterized in that: described performed polymer component is prepared by the polyester polyol of the vulcabond that contains 22.0～27.5 weight portions, 12.5～15.0 weight portions, methacrylic acid-2-hydroxypropyl acrylate, the chain extender of 3.5～5.0 weight portions and the catalyst of 0.1～0.2 weight portion of 1.5～2.5 weight portions.
5. ecological, environmental protective fabric according to claim 3, is characterized in that: described oligomer component is by the polyether diols of 6～8 weight portions, and the chain extender of the end hydroxy butadiene of 1.2～1.5 weight portions and 2.0～3.0 weight portions forms.
6. ecological, environmental protective fabric according to claim 4, is characterized in that: the MDI that described vulcabond is 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.
7. ecological, environmental protective fabric according to claim 5, is characterized in that: described polyether diols is the polyether diols taking propylene glycol as initiator, and its hydroxyl is 105～115mgKOH/g.
8. ecological, environmental protective fabric according to claim 3, is characterized in that: the number-average molecular weight of described polyallylamine resin is 800～1500.
9. according to the manufacture method of the ecological, environmental protective fabric described in claim 1～9 any one, it is characterized in that: said method comprising the steps of: the aqueous dispersions dipping substrate fabric that (a) utilizes polyurethane prepolymer; (b) under 50～70 DEG C of conditions, carry out drying and processing, the time is 8～10 minutes; (c) solidify and process 3～5 minutes at 90～100 DEG C.
10. the manufacture method of ecological, environmental protective fabric according to claim 9, it is characterized in that: the aqueous dispersions of described polyurethane prepolymer prepares by the method comprising 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, methacrylic acid-2-hydroxypropyl acrylate of 1.5～2.5 weight portions, the catalyst of the chain extender of 3.5～5.0 weight portions and 0.1～0.2 weight portion is placed in reactor, then under 50～70 DEG C of conditions, react 2～3 hours, then be cooled to 40～50 DEG C, the content of control-NCO is that 10～12% of performed polymer component gross weight obtains performed polymer component, after discharging, sealing is preserved, (2) by the polyether diols of 6～8 weight portions, the chain extender of the end hydroxy butadiene of 1.2～1.5 weight portions and 2.0～3.0 weight portions is placed in reactor, at 40 DEG C, fully mixes after 1 hour and obtains oligomer component, and after discharging, sealing is preserved, (3) in reactor, add the deionized water of 10wt%, then add the emulsifying agent of 0.5～1.2wt% to mix, then under the condition of high-speed stirred, (1500～2500rpm) adds performed polymer component, the oligomer component of 5.0～7.0wt% and the polyallylamine resin of 6～8wt% of 14～16wt%, then slowly drips remaining deionized water, finally add the bleeding agent of 1.0～3.0wt%, the softener of 1.0～3.0wt% can obtain the aqueous dispersions that contains polyurethane prepolymer.
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| CN106661305A (en) * | 2014-09-08 | 2017-05-10 | 赢创德固赛有限公司 | Composite semi-finished products, molded parts produced therefrom, and directly produced molded parts based on hydroxy-functionalized (meth)acrylates and uretdiones that are cross-linked in a thermosetting manner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106661305A (en) * | 2014-09-08 | 2017-05-10 | 赢创德固赛有限公司 | Composite semi-finished products, molded parts produced therefrom, and directly produced molded parts based on hydroxy-functionalized (meth)acrylates and uretdiones that are cross-linked in a thermosetting manner |
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| CN104018351B (en) | 2016-01-20 |
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| C14 | Grant of patent or utility model | ||
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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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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |