CN108503762A - 平板电脑用防辐射高透光贴膜 - Google Patents
平板电脑用防辐射高透光贴膜 Download PDFInfo
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- CN108503762A CN108503762A CN201710105432.2A CN201710105432A CN108503762A CN 108503762 A CN108503762 A CN 108503762A CN 201710105432 A CN201710105432 A CN 201710105432A CN 108503762 A CN108503762 A CN 108503762A
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- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
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- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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Abstract
本发明涉及一种平板电脑用防辐射高透光贴膜,属于化工领域。所述的平板电脑用防辐射高透光贴膜,按照以下重量份数比配制而成:异氰酸酯50‑80份,聚醚多元醇A 10~25份,聚碳酸酯二醇B 50~80份,三乙胺2~3份,成膜剂1~2份,消泡剂3‑5份,去离子水20‑30份。本发明具有极高的物力化学稳定性,耐磨、防刮,耐酸碱腐蚀,透光率高,不受环境和气候影响,对于辐射有极强的吸收作用,能够减少手机辐射对人体的伤害。
Description
技术领域
本发明涉及一种平板电脑用防辐射高透光贴膜,属于化工领域。
背景技术
当人们使用平板电脑时,无线电波或多或少地会被人体吸收,从而改变人体组织,有可能对人体的健康带来影响,这些电波就被称为辐射。电子产品辐射一直是人们关心的话题,特别是那些工作在白领阶层的人们,他们使用的平板电脑的频率远远高于其他人群,同样危害也更大。
发明内容
本发明提供一种平板电脑用防辐射高透光贴膜,具有耐磨、耐酸碱腐蚀,透光率高的特点,对于辐射有极强的屏蔽作用,能够减少辐射对人体的伤害。
本发明所述的平板电脑用防辐射高透光贴膜,按照以下重量份数比配制而成:
其中:
所述聚醚多元醇A的型号为DDL-1000,生产厂家为德信联邦化学工业有限公司;
所述聚碳酸酯二醇B的型号为PCDL,生产厂家为济宁华凯树脂有限公司生产。
所述异氰酸酯为德国拜耳公司生产的异佛尔酮二异氰酸酯
制备方法如下
(1)将聚醚多元醇A、聚碳酸酯二醇B混合后升温200℃,真空脱水2h,降温至80℃后与异氰酸酯混合搅拌均匀,升温80-85℃,反应2h,得到-NCO质量分数达到2-3.5%的预聚体;
(2)取200份预聚体,升温至60-65℃,然后降温至45-55℃,加入三乙胺中和半小时,最后加入消泡剂、去离子水,在强搅拌作用下制成水性乳液,在缠绕膜系机器中制成0.3mm膜,即可得到成品。
本发明的有益效果是:
(1)具有极高的物力化学稳定性,耐磨、防刮,耐酸碱腐蚀,透光率高,不受环境和气候影响;
(2)对于辐射有极强的吸收作用,能够减少手机辐射对人体的伤害。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
平板电脑用防辐射高透光贴膜,按照以下重量份数比配制而成:
制备方法如下
(1)将DDL-1000、PCDL混合后升温200℃,真空脱水2h,降温至80℃后与异佛尔酮二异氰酸酯混合搅拌均匀,升温80-85℃,反应2h,得到-NCO质量分数达到2-3.5%的预聚体;
(2)取200份预聚体,升温至60-65℃,然后降温至45-55℃,加入三乙胺中和半小时,最后加入消泡剂、去离子水,在强搅拌作用下制成水性乳液,在缠绕膜系机器中制成0.3mm膜,即可得到成品。
Claims (2)
1.一种平板电脑用防辐射高透光贴膜,其特征在于:按照以下重量份数比配制而成:
其中:
所述聚醚多元醇A的型号为DDL-1000,生产厂家为德信联邦化学工业有限公司;
所述聚碳酸酯二醇B的型号为PCDL,生产厂家为济宁华凯树脂有限公司生产。
制备方法如下
(1)将聚醚多元醇A、聚碳酸酯二醇B混合后升温200℃,真空脱水2h,降温至80℃后与异氰酸酯混合搅拌均匀,升温80-85℃,反应2h,得到-NCO质量分数达到2-3.5%的预聚体;
(2)取200份预聚体,升温至60-65℃,然后降温至45-55℃,加入三乙胺中和半小时,最后加入消泡剂、去离子水,在强搅拌作用下制成水性乳液,在缠绕膜系机器中制成0.3mm膜,即可得到成品。
2.根据权利要求1所述的平板电脑用防辐射高透光贴膜,其特征在于:异氰酸酯为德国拜耳公司生产的异佛尔酮二异氰酸酯。
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Cited By (1)
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CN109735091A (zh) * | 2019-01-08 | 2019-05-10 | 苏州市奥贝膜业有限公司 | 一种使用寿命长的电脑膜及其制备方法 |
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Cited By (1)
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CN109735091A (zh) * | 2019-01-08 | 2019-05-10 | 苏州市奥贝膜业有限公司 | 一种使用寿命长的电脑膜及其制备方法 |
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