CN114261168B - 防水透湿功能面料 - Google Patents

防水透湿功能面料 Download PDF

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CN114261168B
CN114261168B CN202111628497.8A CN202111628497A CN114261168B CN 114261168 B CN114261168 B CN 114261168B CN 202111628497 A CN202111628497 A CN 202111628497A CN 114261168 B CN114261168 B CN 114261168B
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waterproof
fabric
film
body fabric
permeable functional
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CN114261168A (zh
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谢国炎
陈明贤
金世豪
孙立新
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Zhejiang Dongjin New Material Co ltd
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Zhejiang Dongjin New Material Co ltd
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Priority to CN202111628497.8A priority Critical patent/CN114261168B/zh
Publication of CN114261168A publication Critical patent/CN114261168A/zh
Priority to DE102022116534.5A priority patent/DE102022116534A1/de
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/527—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads waterproof or water-repellent
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
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    • D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
    • D06M15/3568—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing silicon
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    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D06P3/54—Polyesters using dispersed dyestuffs
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  • Life Sciences & Earth Sciences (AREA)
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  • Laminated Bodies (AREA)

Abstract

本发明公开了一种防水透湿功能面料，属于功能面料领域。所述的面料包括：本体面料、本体面料表面设置的防水层、薄膜、粘合本体面料与薄膜的粘结层；所述的本体面料为涤氨弹力面料；所述的防水透湿功能面料，由以下步骤制成：a、按工艺处方配置防水整理液；b、将本体面料浸渍于防水整理液中，轧液；c、预烘、焙烘；d、在本体面料、薄膜表面设置粘合层，平整地叠加在一起，再移至压烫机中进行压烫，完成热压复膜，制成防水透湿功能面料；所述的防水整理液由交联剂与纳米二氧化硅改性聚硅氧烷乳液混合成。本发明防水透湿功能面料，先将本体面料浸轧防水整理液形成防水表层，再与功能薄膜复合制成，具有良好的防水、透湿、透气性能。

Description

防水透湿功能面料
技术领域
本发明属于功能面料领域，具体涉及一种防水透湿功能面料。
背景技术
户外运动越来越受人们的喜爱，户外运动发热量大、汗液蒸发多，服装的散热性和透气应良好，而防水透湿类面料服装则是最佳的选择。防水透湿服装的面料通常包括三种类型：高密织物、涂层织物和层压复合面料。其中，高密织物的耐水渗透性能较差但透湿性能优异，涂层织物的耐水渗透性能优异但透湿性能较差，只有层压复合面料可以同时表现出优异的耐水渗透性能和透湿性能。因而层压复合面料成为目前市场中防水透湿服装使用的主流面料。所谓面料的防水透湿性能，是指面料在一定压力的水的作用下，未被水渗透，而人体散发的汗液蒸气却能通过面料扩散或传递到外界，不在体表和织物之间积聚冷凝。
发明内容
本发明目的是提供一种防水透湿功能面料。
为实现上述目的，本发明采用了以下技术方案。
一种防水透湿功能面料，包括：本体面料、本体面料表面设置的防水层、薄膜、粘合本体面料与薄膜的粘结层；所述的本体面料为涤氨弹力面料；
所述的防水透湿功能面料，由以下步骤制成：
步骤a、按工艺处方配置防水整理液；
步骤b、将本体面料浸渍于防水整理液中，轧液；
步骤c、预烘、焙烘；
步骤d、在本体面料、薄膜表面设置粘合层，平整地叠加在一起，再移至压烫机中进行压烫，完成热压复膜，制成防水透湿功能面料；
所述的防水整理液由交联剂与纳米二氧化硅改性聚硅氧烷乳液混合成。
所述的本体面料为：经丝：甲FDY70D/48F+40DSP；纬丝组合:甲FDY70D/48F+40DSP、乙FDY160D/136F；织物组织：平纹1/1；坯布经纬密：34×30.5根/cm。
所述的粘结层为聚氨酯热熔胶。
所述的薄膜为PU膜，厚度为10-20微米。
所述的本体面料还经过精练、预定型、碱减量、染色工序加工。
所述的精练，具体为面料在处理浴中于100℃保温30min；处理浴处方为氢氧化钠10g/L、精练剂2g/L、螯合分散剂2g/L；处理浴的浴比为1:10。
所述的预定型，温度为180-210℃、时间25-45s。
所述的碱减量，NaOH质量浓度20g/L，浴比1:10，处理时间40min，处理温度110℃。
所述的染色，工艺流程为：室温时加入浴中柔软剂、匀染剂、螯合分散剂、醋酸、运转15min，再加入预先溶解好的分散染料，运转15min，以1.5℃/min的升温速率将染浴升温到85℃，保温运转30min，然后以0.5℃/min的升温速率将染浴升温到130℃,保温染色45min；最后以1.5℃/min速度冷却，染浴降温至50℃以下，排液。
本发明防水透湿功能面料，先将本体面料浸轧防水整理液形成防水表层，再与功能薄膜复合制成。面料具有良好的防水、透湿、透气性能。
防水整理液由交联剂与纳米二氧化硅改性聚硅氧烷乳液混合成，在涤纶纤维表面形成的防水层具有类似荷叶表面的微/纳米乳突结构，与低表面张力的有机硅协同，使面料具有超强的疏水性能。
涤纶面料通过碱减量，在涤纶纤维表面水解形成刻蚀效果，在纤维表面产生凹凸不平的坑穴，使涤纶纤维表面形成微纳粗糙结构，纳米二氧化硅改性聚硅氧烷则在涤纶纤维微纳粗糙结构的表面形成疏水层，使面料具有优异的疏水性能。
纳米二氧化硅改性聚硅氧烷存在着与纺织品附着力低、机械强度较低的不足，涤纶纤维经碱减量后，纤维表面生成了羟基，封端型聚氨酯交联剂可同时与涤纶纤维表面的羟基及聚硅氧烷分子中的氨基反应，从而通过化学键将纳米二氧化硅改性聚硅氧烷固定在面料表面，进而增强面料疏水性能的耐久性。
具体实施方式
本发明公开了一种防水透湿功能面料，包括：本体面料、本体面料表面设置的防水层、薄膜、粘合本体面料与薄膜的粘结层；所述的本体面料为涤氨弹力面料；
所述的防水透湿功能面料，由以下步骤制成：
步骤a、按工艺处方配置防水整理液；
步骤b、将本体面料浸渍于防水整理液中，轧液；
步骤c、预烘、焙烘，形成防水层；
步骤d、在本体面料、薄膜表面设置粘合层，平整地叠加在一起，再移至压烫机中，设定热压时间30s和热压温度110℃，待温度达到后，进行压烫，完成热压复膜，制成防水透湿功能面料；
所述的本体面料为：经丝：甲FDY70D/48F+40DSP；纬丝组合:甲FDY70D/48F+40DSP、乙FDY160D/136F；织物组织：平纹1/1；坯布经纬密：34×30.5根/cm。甲纬:乙纬＝2:1。含氨纶的涤纶面料耐氯、耐光等性能稍差，如果面料要求耐氯、耐光等性能，则可采用纯涤纶面料。
所述的粘结层为聚氨酯热熔胶，市售产品。
所述的薄膜为PU膜，厚度为10-20微米，市售产品。
涤纶面料通过碱减量，可在涤纶纤维表面水解刻蚀产生凹凸不平的坑穴，在涤纶纤维表面形成微纳粗糙结构，而微纳粗糙结构与低表面能的聚有机硅氧烷结合可形成疏水表面。因此，在对本体面料进行防水、复膜加工前，可通过精练、预定型、碱减量、染色工序加工，来实现涤纶纤维表面的这种微纳粗糙结构。
所述的精练，具体为面料在处理浴中于100℃保温30min；处理浴处方为氢氧化钠10g/L、精练剂2g/L、螯合分散剂2g/L；处理浴的浴比为1:10。
所述的预定型，温度为180-210℃、时间25-45s。
所述的碱减量，NaOH质量浓度20g/L，浴比1:10，处理时间40min，处理温度110℃。
所述的染色，工艺流程为：室温时加入浴中柔软剂、匀染剂、螯合分散剂、醋酸、运转15min，再加入预先溶解好的分散染料，运转15min，以1.5℃/min的升温速率将染浴升温到85℃，保温运转30min，然后以0.5℃/min的升温速率将染浴升温到130℃,保温染色45min；最后以1.5℃/min速度冷却，染浴降温至50℃以下，排液。
染色工艺处方：
精练剂、匀染剂、螯合分散剂、浴中柔软剂、分散染料等染整过程中涉及的染料助剂均为市售产品。
所述的防水整理液由交联剂与纳米二氧化硅改性聚硅氧烷乳液按质量比1:20组成，使用时将交联剂缓慢加入纳米二氧化硅改性聚硅氧烷乳液中，搅拌使两者混合均匀。
交联剂为水性封端型聚氨酯，市售产品，如德国科思创的水性封闭型异氰酸酯固化剂BL5335。
纳米二氧化硅改性聚硅氧烷乳液由端氨基乙烯基聚硅氧烷在侧链以巯基与“C＝C”反应成，使纳米二氧化硅分散于聚硅氧烷分子链上，不会在后续使用时团聚。
所述的纳米二氧化硅改性聚硅氧烷乳液，通过以下步骤制得：
①向反应器中依次加入端氨基乙烯基聚硅氧烷，表面改性纳米二氧化硅，光催化剂DMPA(安息香双甲醚)及新蒸的THF(四氢呋喃)，待反应物溶解后，保持搅拌状态在紫外灯下照射反应30min，反应完毕后真空除去THF，将反应产物在无水甲醇中沉淀三次除去未反应的原料和催化剂，真空干燥至恒重后即得到纳米二氧化硅改性聚硅氧烷；端氨基乙烯基聚硅氧烷中的“-C＝C”基团与表面改性纳米二氧化硅中的“-SH”基团摩尔比为1:1.05；
②将纳米二氧化硅改性聚硅氧烷与乳化剂按质量比10:1混合，搅拌过程中添加水和乙酸的混合物，乙酸与纳米二氧化硅改性聚硅氧烷质量比为1:30，搅拌至溶液呈透明状，得纳米二氧化硅改性聚硅氧烷乳液。乳液质量百分浓度约10％，乙酸调节乳液呈弱酸性。乳化剂由异构十三醇聚氧乙烯醚1307、1309按质量比1:2组成。反应过程如下式(1)所示。
其中，端氨基乙烯基聚硅氧烷制备方法为：
在装有温度计、搅拌器的干燥四口烧瓶中，加入摩尔比为1:40:2的1,3-双(3-氨基丙基)-1,1,3,3-四甲基二硅氧烷、八甲基环四硅氧烷、四甲基四乙烯基环四硅氧烷，边搅拌边升温至反应温度，并加入一定量的三氟甲基磺酸，保温反应一定时间；反应结束后加入无水Na2CO3搅拌中和至pH为6-7，过滤并将产物进行减压蒸馏(90℃，真空度-0.1Mpa以下)，脱除未反应单体，得无色透明的液体产物，为端氨基乙烯基聚硅氧烷。转化率91.5％，Mn(g/mol)：12776，C＝C键含量0.626mmol/g；反应过程如反应式(2)所示。
所述的纳米二氧化硅表面改性，制备方法为：
称取适量纳米SiO2加入到无水乙醇中，磁力搅拌使纳米SiO2分散均匀，以HCl溶液调节pH值至4，再向体系中滴加硅烷偶联剂KH590(γ-巯丙基三甲氧基硅烷)，混合均匀后将溶液转移至三口烧瓶中，控制体系温度为80℃，搅拌反应10h，冷却，将混合液抽滤、洗涤、干燥，即得到KH590改性纳米Si02。纳米SiO2、硅烷偶联剂KH590、无水乙醇的质量比为10:1.5:100。硅烷偶联剂在纳米SiO2表面的相对接枝率约为10％。·：代表纳米二氧化硅。反应过程如反应式(3)所示。
实施例1：
一种防水透湿功能面料，包括：本体面料、本体面料表面设置的防水层、薄膜、粘合本体面料与薄膜的粘结层；所述的本体面料涤氨弹力面料，经丝：甲FDY70D/48F+40DSP；纬丝组合:甲FDY70D/48F+40DSP、乙FDY160D/136F；织物组织：平纹1/1；坯布经纬密：34×30.5根/cm。甲纬:乙纬＝2:1。
所述的防水透湿功能面料，由以下步骤制成：
步骤a、按质量比1:20，将水性封闭型异氰酸酯固化剂BL5335缓慢加入纳米二氧化硅改性聚硅氧烷乳液中，搅拌使两者混合均匀，配置成防水整理液。；
步骤b、将本体面料浸渍于防水整理液中，两浸两轧，轧液率80％；
步骤c、90℃预烘2min、130℃焙烘30-60s，形成防水层；
步骤d、在本体面料、PU薄膜表面涂覆聚氨酯热熔胶，将面料与薄膜平整地叠加在一起，再移至压烫机中，设定热压时间30s和热压温度110℃，待温度达到后，进行压烫，完成热压复膜，制成防水透湿功能面料。
对所得的防水透湿功能面料的防水、透湿性能进行了测试，结果为：防泼水洗前5级，5次水洗后4级；耐静水压19000mmH2O；透湿性能
≥10000g/m2/24h。
实施例2：
一种防水透湿功能面料，包括：本体面料、本体面料表面设置的防水层、薄膜、粘合本体面料与薄膜的粘结层；所述的本体面料涤氨弹力面料，经丝：甲FDY70D/48F+40DSP；纬丝组合:甲FDY70D/48F+40DSP、乙FDY160D/136F；织物组织：平纹1/1；坯布经纬密：34×30.5根/cm。甲纬:乙纬＝2:1。
所述的防水透湿功能面料，由以下步骤制成：
步骤a、按质量比1:20，将水性封闭型异氰酸酯固化剂BL5335缓慢加入纳米二氧化硅改性聚硅氧烷乳液中，搅拌使两者混合均匀，配置成防水整理液。；
步骤b、将经过精练、预定型、碱减量、染色工序加工的本体面料浸渍于防水整理液中，两浸两轧，轧液率80％；
步骤c、90℃预烘2min、130℃焙烘30-60s；
步骤d、在本体面料、PU薄膜表面涂覆聚氨酯热熔胶，将面料与薄膜平整地叠加在一起，再移至压烫机中，设定热压时间30s和热压温度110℃，待温度达到后，进行压烫，完成热压复膜，制成防水透湿功能面料。
所述本体面料的精练、预定型、碱减量、染色工序加工，具体为：
1)精练，室温时本体面料浸入浴比为1:10的精练浴中，1.5℃/min升温至100℃保温30min，降温至50℃后排液水洗；精练浴处方为氢氧化钠10g/L、精练剂2g/L、螯合分散剂2g/L；
2)预定型，温度为180-210℃、时间25-45s，车速25-40m/min。
3)碱减量，室温时本体面料浸入质量浓度20g/L的NaOH水溶液中，浴比1:10，1.5℃/min升温至110℃处理时间40min，降温至50℃后排液、水洗至pH值中性；
4)染色，室温时加入浴中柔软剂、匀染剂、螯合分散剂、醋酸、运转15min，再加入预先溶解好的分散染料，运转15min，以1.5℃/min的升温速率将染浴升温到85℃，保温运转30min，然后以0.5℃/min的升温速率将染浴升温到130℃,保温染色45min；最后以1.5℃/min速度冷却，染浴降温至50℃以下，排液。
染色处方：
对所得的防水透湿功能面料的防水、透湿性能进行了测试，结果为：防泼水洗前5级，5次水洗后4级；耐静水压17000mmH2O；透湿性能≥10000g/m2/24h。
防泼水性能测试测试参照GB/T 4745-2012《纺织品防水性能的检测和评价沾水法》；耐静水压测试参照JIS L 1092-1998纺织物抗水性的测试方法；透湿性能测试参照JISL 1099-2006纺织品透湿度试验方法。

Claims (9)

1.一种防水透湿功能面料，包括：本体面料、本体面料表面设置的防水层、薄膜、粘合本体面料与薄膜的粘结层；所述的本体面料为涤氨弹力面料；
所述的防水透湿功能面料，由以下步骤制成：
步骤a、按工艺处方配置防水整理液；
步骤b、将本体面料浸渍于防水整理液中，轧液；
步骤c、预烘、焙烘；
步骤d、在本体面料、薄膜表面设置粘合层，平整地叠加在一起，再移至压烫机中进行压烫，完成热压复膜，制成防水透湿功能面料；
所述的防水整理液由交联剂与纳米二氧化硅改性聚硅氧烷乳液混合成；
所述的纳米二氧化硅改性聚硅氧烷乳液，通过以下步骤制得：
①向反应器中依次加入端氨基乙烯基聚硅氧烷，表面改性纳米二氧化硅，光催化剂安息香双甲醚及新蒸的四氢呋喃，待反应物溶解后，保持搅拌状态在紫外灯下照射反应30min，反应完毕后真空除去THF，将反应产物在无水甲醇中沉淀三次除去未反应的原料和催化剂，真空干燥至恒重后即得到纳米二氧化硅改性聚硅氧烷；端氨基乙烯基聚硅氧烷中的“-C=C”基团与表面改性纳米二氧化硅中的“-SH”基团摩尔比为1:1.05；
②将纳米二氧化硅改性聚硅氧烷与乳化剂按质量比10:1混合，搅拌过程中添加水和乙酸的混合物，乙酸与纳米二氧化硅改性聚硅氧烷质量比为1:30，搅拌至溶液呈透明状，得纳米二氧化硅改性聚硅氧烷乳液。
2.根据权利要求1所述的一种防水透湿功能面料，其特征在于：所述的本体面料为：经丝：甲FDY70D/48F+40DSP；纬丝组合:甲FDY70D/48F+40DSP、乙FDY160D/136F；织物组织：平纹1/1；坯布经纬密：34×30.5根/cm。
3.根据权利要求1所述的一种防水透湿功能面料，其特征在于：所述的粘结层为聚氨酯热熔胶。
4.根据权利要求1所述的一种防水透湿功能面料，其特征在于：所述的薄膜为PU膜，厚度为10-20微米。
5.根据权利要求1所述的一种防水透湿功能面料，其特征在于：所述的本体面料还经过精练、预定型、碱减量、染色工序加工。
6.根据权利要求5所述的一种防水透湿功能面料，其特征在于：所述的精练，具体为面料在处理浴中于100℃保温30min；处理浴处方为氢氧化钠10g/L、精练剂2 g/L、螯合分散剂2 g/L；处理浴的浴比为1:10。
7.根据权利要求5所述的一种防水透湿功能面料，其特征在于：所述的预定型，温度为180-210℃、时间25-45s。
8.根据权利要求5所述的一种防水透湿功能面料，其特征在于：所述的碱减量，NaOH质量浓度20g/L，浴比1:10，处理时间40min，处理温度110℃。
9.根据权利要求5所述的一种防水透湿功能面料，其特征在于：所述的染色，工艺流程为：室温时加入浴中柔软剂、匀染剂、螯合分散剂、醋酸，运转15min，再加入预先溶解好的分散染料，运转15min，以1.5℃/min的升温速率将染浴升温到85℃，保温运转30min，然后以0.5℃/min的升温速率将染浴升温到130℃,保温染色45min；最后以1.5℃/min速度冷却，染浴降温至50℃以下，排液。
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