CN106589916A - 水性微多孔防水透湿膜 - Google Patents

水性微多孔防水透湿膜 Download PDF

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CN106589916A
CN106589916A CN201611089367.0A CN201611089367A CN106589916A CN 106589916 A CN106589916 A CN 106589916A CN 201611089367 A CN201611089367 A CN 201611089367A CN 106589916 A CN106589916 A CN 106589916A
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aqueouss
waterproof humidity
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周喜峰
周皓
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Hongyuan Jiangsu New Material Science And Technology Ltd
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04Polyurethanes
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2201/10Transparent films; Clear coatings; Transparent materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/14Applications used for foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract

本发明公开一种水性微多孔防水透湿膜,所述的水性微多孔防水透湿膜包括基膜和填孔材料。本发明提供一种水性微多孔防水透湿膜,具有防水透湿好、气密性较好,透明度和光泽度较高的优点。

Description

水性微多孔防水透湿膜
技术领域
本发明涉及一种水性微多孔防水透湿膜。
背景技术
随着经济的发展以及农村产业结构的调整,中国各行各业对塑料薄膜的市场需求不断上升。
2005年全年全国全部塑料薄膜生产和供应企业累计工业总产值达到79,910,504千元,比上年增长29%,累计企业单位数1223个,全年累计产品销售收入77,417,653千元,比上年同期增长25.89%,累计利润总额达到2,384,871千元。全行业人均销售率为488,266.94元。
2006年上半年全国全部塑料薄膜生产和供应企业累计工业总产值达到43,959,811千元,比上年同期增长17.31%,累计企业单位数1299个,累计产品销售收入44,040,148千元,比上年同期增长22.11%,累计利润总额达到1,213,127千元。全行业的人均销售率为889,069.85元。总体来看,全国塑料薄膜生产和供应企业的经营状况良好。
中国塑料薄膜的产量约占塑料制品总产量的20%,是塑料制品中产量增长较快的类别之一。从中国塑料薄膜(厚度为0.06mm~0.26mm)的应用领域看,用量最大、品种最多、应用最广的是包装工业,其消费约占2/3,其次是农业约占30%,再有就是功能膜,如微孔膜、屏蔽膜、土工膜等。理论上几乎所有合成树脂都可能成膜,但是具有经济意义、成为商品、用量最大的是聚氯乙烯(PVC)、聚乙烯(PE)、聚丙烯(PP)、聚对苯二甲酸乙二醇酯(PET)、聚苯乙烯(PS)、乙烯/乙酸乙烯(EVA)、聚酰胺(PA)等树脂。若在树脂基体中添加适宜的塑料助剂,就可以制备出所需的各种功能性薄膜。塑料薄膜工业上的生产方法有压延法和挤出法,其中挤出法又分为挤出吹膜、挤出流延、挤出拉伸(又称二次成型)等,目前挤出法应用最广泛,尤其是对于聚烯烃薄膜的加工,而压延法主要用于一些聚氯乙烯薄膜的生产。
中国塑料薄膜行业正处于一个蓬勃发展的阶段,据悉,中国塑料薄膜的需求量每年将以9%以上的速度增长。而且随着各种新材料、新设备和新工艺不断地涌现,将促使中国的塑料薄膜朝着品种多样化、专用化以及具备多功能的复合膜方向发展。
发明内容
本发明提供一种具有防水透湿好、气密性较好,透明度和光泽度较高优点的水性微多孔防水透湿膜。
本发明的技术方案是:一种水性微多孔防水透湿膜,所述的水性微多孔防水透湿膜包括基膜和填孔材料,所述基膜为聚氨基甲酸酯,所述填孔材料为锦纶纤维或强度高的涤纶纤维长丝,所述的基膜占水性微多孔防水透湿膜总体分量的37%-41%,所述的填孔材料占水性微多孔防水透湿膜总体分量的59%-63%,所述聚氨基甲酸酯的厚度为10-30μm,耐水压为10000mmH2O,透湿度为60000-200000g/㎡·24hr。
在本发明一个较佳实施例中,所述基膜的强度为5Mpa-15Mpa。
在本发明一个较佳实施例中,所述的基膜占水性微多孔防水透湿膜总体分量的39%,所述的填孔材料占水性微多孔防水透湿膜总体分量的61%。
本发明的一种水性微多孔防水透湿膜,具有防水透湿好、气密性较好,透明度和光泽度较高的优点。
具体实施方式
下面对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
其中,所述的水性微多孔防水透湿膜包括基膜和填孔材料,所述基膜为聚氨基甲酸酯,所述填孔材料为锦纶纤维或强度高的涤纶纤维长丝,所述的基膜占水性微多孔防水透湿膜总体分量的37%-41%,所述的填孔材料占水性微多孔防水透湿膜总体分量的59%-63%,所述聚氨基甲酸酯的厚度为10-30μm,耐水压为10000mmH2O,透湿度为60000-200000g/㎡·24hr。
进一步说明,所述基膜的强度为5Mpa-15Mpa,所述的基膜占水性微多孔防水透湿膜总体分量的39%,所述的填孔材料占水性微多孔防水透湿膜总体分量的61%。
在进一步说明,聚氨基甲酸酯分为湿法和干法两大类,是一种高分子的溶液体系,外观透明或微浊,固体分含量大约(30-35)%,也就是说其中的(65-70)%是溶剂,简单的说1吨浆料中含有(650-700)公斤的溶剂,对于干法来说就是含有这么多的甲苯和丁酮,甲苯用量大些,因为甲苯的溶解性能较好,对于湿法来说就是含有650-700公斤的纯DMF,因此对于浆料来讲,像甲苯、DMF的价格的变动很大程度上影响了浆料的成本,原因很简单用量所占比重大。
聚氨酯浆料用作涂层制备聚氨酯合成革、人造革。聚氨酯合成革具有光泽柔和、自然,手感柔软,真皮感强的外观,具有与基材粘接性能优异、抗磨损、耐挠曲、抗老化、抗霉菌性好等优异的机械性能,同时还具备耐寒性好、透气、可洗涤、加工方便、价格优廉等优点,是天然皮革的最为理想的替代品,广泛应用于服装、制鞋、箱包、家具、体育等行业。凡是真皮应用的领域,它都可替代,而且还可应用于真皮无法应用的领域,真皮的行情很容易受动物(牛、羊、猪等行情的影响,疯牛病)。
干法聚氨酯浆料——在应用的过程中,靠加热蒸发将浆料中的溶剂蒸发掉,溶剂大都是用甲苯、丁酮,蒸发掉的溶剂无法回收,不仅污染环境,而且还造成了不必要的浪费。
湿法聚氨酯浆料——由于加工过程采用的是将DMF用水抽提(原因是DMF与水有无限的溶解性),比较环保,而且生产出的合成革具有良好的透湿、透气性能,手感柔软、丰满、轻盈,更富于天然皮革的风格和外观,因此发展速度极为惊人。。本发明提供一种水性微多孔防水透湿膜,具有防水透湿好、气密性较好,透明度和光泽度较高的优点。
本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本领域的技术人员在本发明所揭露的技术范围内,可不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (3)

1.一种水性微多孔防水透湿膜,其特征在于:所述的水性微多孔防水透湿膜包括基膜和填孔材料,所述基膜为聚氨基甲酸酯,所述填孔材料为锦纶纤维或强度高的涤纶纤维长丝,所述的基膜占水性微多孔防水透湿膜总体分量的37%-41%,所述的填孔材料占水性微多孔防水透湿膜总体分量的59%-63%,所述聚氨基甲酸酯的厚度为10-30μm,耐水压为10000mmH2O,透湿度为60000-200000g/㎡·24hr。
2.根据权利要求1所述的水性微多孔防水透湿膜,其特征在于:所述基膜的强度为5Mpa-15Mpa。
3.根据权利要求1所述的水性微多孔防水透湿膜,其特征在于:所述的基膜占水性微多孔防水透湿膜总体分量的39%,所述的填孔材料占水性微多孔防水透湿膜总体分量的61%。
CN201611089367.0A 2016-12-01 2016-12-01 水性微多孔防水透湿膜 Pending CN106589916A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107556715A (zh) * 2017-10-18 2018-01-09 安踏(中国)有限公司 一种防水透湿膜及其制备方法
CN107627698A (zh) * 2017-09-20 2018-01-26 安徽锦翔纺织服饰有限公司 一种感温变色衣服面料及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104513472A (zh) * 2013-09-28 2015-04-15 东丽纤维研究所(中国)有限公司 一种防水透湿膜及其用途

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104513472A (zh) * 2013-09-28 2015-04-15 东丽纤维研究所(中国)有限公司 一种防水透湿膜及其用途

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107627698A (zh) * 2017-09-20 2018-01-26 安徽锦翔纺织服饰有限公司 一种感温变色衣服面料及其制备方法
CN107556715A (zh) * 2017-10-18 2018-01-09 安踏(中国)有限公司 一种防水透湿膜及其制备方法

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Application publication date: 20170426