CN103641975A - 一种手机贴膜以及其pu涂层制备工艺 - Google Patents

一种手机贴膜以及其pu涂层制备工艺 Download PDF

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CN103641975A
CN103641975A CN201310613404.3A CN201310613404A CN103641975A CN 103641975 A CN103641975 A CN 103641975A CN 201310613404 A CN201310613404 A CN 201310613404A CN 103641975 A CN103641975 A CN 103641975A
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coating
minutes
add
cellular phone
safeguard film
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沈阳
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FUBANG ADHESIVE TAPE Co Ltd CHANGSHU
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FUBANG ADHESIVE TAPE Co Ltd CHANGSHU
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/348—Hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633—Compounds of group C08G18/42
    • C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C09J175/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/255—Polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2475/00—Presence of polyurethane

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Abstract

本发明提供一种具有pet基材pu涂层的手机保护膜以及该pu涂层的制备方法，所述pu涂层采用价格低廉的聚酯多元醇、MDI、乙二醇、DMPA、N甲基毗咯烷酮、丙酮、三乙胺作为合成原料，合成成本低廉、工艺简单。

Description

一种手机贴膜以及其pu涂层制备工艺
技术领域
本发明涉及一种手机保护膜，特别是一种pu涂层的手机保护膜，以及该pu涂层的制备方法。
背景技术
随着手机热度的不断提升，其周边产业链的商业价值也越来越大，而手机保护膜作为手机周边产业的一种，其应用和研究也越来越广泛。目前，手机保护膜一般采用PET材料作为基材，因为PET材料具有它具有优异的物理性能、化学性能及尺寸稳定性、透明性、可回收性等优点，再涂以硅胶涂层、亚克力涂层或pu涂层。其中，亚克力涂层的排气性较差，而且会留下残胶，影响手机屏幕使用；硅胶涂层虽然解决了排气性较差的技术问题，但是仍然会留下残胶；而pu涂层解决了排气性较差的技术问题，而且残胶较少，但是pu涂层的价格制造成本却较高。
发明内容
本发明的目的是提供一种成本较低的pu涂层生产方法。本发明的另一目的是提供一种手机保护膜。
 本发明的技术方案为：一种用于PET保护膜的pu涂层，所述pu涂层由如下工艺制备：
a、将聚酯多元醇升温至120℃后脱水30分钟；
b、在50℃下保温30分钟；
c、加入DPMA的N甲基毗咯烷酮溶液扩链；
d、匀速搅拌5~10分钟;
e、加入MDI的丙酮溶液，匀速搅拌5~10分钟；
f、加入有机锡作为催化剂，反应90分钟；
g、加入乙二醇扩链；
h、将反应体系降至室温后加入丙酮调节体系温度再加入三乙胺中和；
i、减压蒸馏脱去丙酮即得到水性聚氨酯。
本发明进一步提供一种手机保护膜，所述手机保护膜由下至上依次为PET离型膜层、PU涂层、PET基材层与表面层，所述pu涂层是由上述的制备工艺制备。
进一步的，所述表面层经过抗静电处理。
    本发明采用价格低廉的聚酯多元醇、MDI、乙二醇、DMPA、N甲基毗咯烷酮、丙酮、三乙胺作为合成原料，合成成本低廉、工艺简单。
具体实施方式
 一种PET手机保护膜，所述手机保护膜由下至上依次为PET离型膜层、PU涂层、PET基材层与表面层。所述PET基材层采用50um厚度的PET基材，
所述pu涂层是由权利要求 1 所述的制备工艺制备：
a、将聚酯多元醇升温至120℃后脱水30分钟；
b、在50℃下保温 30分钟；
c、加入DPMA的N甲基毗咯烷酮溶液扩链；
d、匀速搅拌5~10分钟;
e、加入MDI的丙酮溶液，匀速搅拌5~10分钟；
f、加入有机锡作为催化剂，反应90分钟；
g、加入乙二醇扩链。
h、将反应体系降至室温后加入丙酮调节体系温度再加入三乙胺中和；
i、减压蒸馏脱去丙酮即得到水性聚氨酯。
将运用该方法制备的pu涂层均匀涂覆于PET基材表面，制成pu层厚度为10um的手机保护膜成品。所述手机保护膜成品也可根据需要针对表面层进行抗静电处理。
对所述手机保护膜成品进行一系列性能测试，结果如下：
项目 Item 结果 result
透过率（%）（常温时） 90.1
雾度（%）（常温时） 1.6
排气性（自粘性）完全贴附在5cm×6cm玻璃的时间 1~2秒/30cm2
 从实验测试数据可以看出，运用本发明所述pu涂层生产工艺制作述手机保护膜成品各项性能测试较佳。本发明采用价格低廉的聚酯多元醇、MDI、乙二醇、DMPA、N甲基毗咯烷酮、丙酮、三乙胺作为合成原料，合成成本低廉、工艺简单。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (3)

1.一种用于pet基材手机保护膜的pu涂层，其特征在于，所述pu涂层由如下工艺制备：
a、将聚酯多元醇升温至120℃后脱水30分钟；
b、在50℃下保温30分钟；
c、加入DPMA的N甲基毗咯烷酮溶液扩链；
d、匀速搅拌5~10分钟;
e、加入MDI的丙酮溶液，匀速搅拌5~10分钟；
f、加入有机锡作为催化剂，反应90分钟；
g、加入乙二醇扩链；
h、将反应体系降至室温后加入丙酮调节体系温度再加入三乙胺中和；以及
i、减压蒸馏脱去丙酮即得到水性聚氨酯。
2.一种手机保护膜，其特征在于，所述手机保护膜由下至上依次为PET离型膜层、PU涂层、PET基材层与表面层，所述pu涂层由权利要求 1 所述的制备工艺制备。
3.如权利要求2所述的手机保护膜，其特征在于，所述表面层经过抗静电处理。
CN201310613404.3A 2013-11-27 2013-11-27 一种手机贴膜以及其pu涂层制备工艺 Pending CN103641975A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104149449A (zh) * 2014-08-01 2014-11-19 苏州袭麟光电科技产业有限公司 一种防静电抗老化保护膜
CN105082585A (zh) * 2014-12-11 2015-11-25 姚晓明 防磨损的手机保护膜的制作方法
CN105238032A (zh) * 2015-11-13 2016-01-13 淄博正大聚氨酯有限公司 防辐射手机贴膜及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004004045A2 (en) * 2002-06-28 2004-01-08 Foamex L.P. Fuel reservoir for liquid fuel cells
CN102079805A (zh) * 2009-11-27 2011-06-01 郑正 一种脂肪族水性聚氨酯的合成方法
CN203198348U (zh) * 2012-12-13 2013-09-18 黄杨 一种手机屏幕贴膜

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004004045A2 (en) * 2002-06-28 2004-01-08 Foamex L.P. Fuel reservoir for liquid fuel cells
CN102079805A (zh) * 2009-11-27 2011-06-01 郑正 一种脂肪族水性聚氨酯的合成方法
CN203198348U (zh) * 2012-12-13 2013-09-18 黄杨 一种手机屏幕贴膜

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104149449A (zh) * 2014-08-01 2014-11-19 苏州袭麟光电科技产业有限公司 一种防静电抗老化保护膜
CN105082585A (zh) * 2014-12-11 2015-11-25 姚晓明 防磨损的手机保护膜的制作方法
CN105238032A (zh) * 2015-11-13 2016-01-13 淄博正大聚氨酯有限公司 防辐射手机贴膜及其制备方法
CN105238032B (zh) * 2015-11-13 2017-11-17 淄博正大聚氨酯有限公司 防辐射手机贴膜及其制备方法

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Application publication date: 20140319