CN106833373A - 金属杂化氟硅超轻离型剂及其制备方法 - Google Patents

金属杂化氟硅超轻离型剂及其制备方法 Download PDF

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CN106833373A
CN106833373A CN201710027900.9A CN201710027900A CN106833373A CN 106833373 A CN106833373 A CN 106833373A CN 201710027900 A CN201710027900 A CN 201710027900A CN 106833373 A CN106833373 A CN 106833373A
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fluorine silicon
mould release
metal hybrid
ultralight
silicone oil
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白永平
王宇
张晓勇
李卫东
席丹
殷晓芬
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Wuxi Haite New Material Research Institute Co Ltd
Harbin Institute of Technology of Wuxi Research Institute of New Materials
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Harbin Institute of Technology of Wuxi Research Institute of New Materials
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Abstract

本发明公开了一种金属杂化氟硅超轻离型剂，由下述重量份成分制成：氟硅嵌段硅油100、交联剂1～20、溶剂1000～10000、Pt催化剂10ppm～600ppm；及其制备方法。本发明为提高氟硅离型剂和基材的结合力，改善耐热性、降低离型力、提高残余附着力，将金属钛原子引入到氟硅离型剂中，明显改善了离型涂层与基材的结合牢度，大幅度改善了耐热性。同时引入可交联的极性基团，使涂层和基材形成牢度的键合作用，提高了残余附着力。

Description

金属杂化氟硅超轻离型剂及其制备方法
技术领域
本发明涉及胶粘剂涂层技术领域，尤其是一种金属杂化氟硅超轻离型剂，及其制备方法。
背景技术
离型剂，也就是脱模剂，是为防止成型的复合材料制品在模具上粘着，而在制品与模具之间施加一类隔离膜，以便制品很容易从模具中脱出，同时保证制品表面质量和模具完好无损。在压敏胶领域，离型剂起到阻隔胶层和基材背部相互粘接的作用。
目前对于硅酮压敏胶而言，必须采用氟硅离型剂，才会出现有机硅压敏胶和氟硅涂层之间的相分离，从而起到离型效果。然后传统的氟硅离型剂与基材表面的结合力和耐热性较差，离型力和残余粘附力有待改善。
发明内容
本发明针对现有技术的不足，提出一种金属杂化氟硅超轻离型剂，能够提高离型剂和基材的结合力，改善耐热性、降低离型力、提高残余附着力。
为了实现上述发明目的，本发明提供以下技术方案：一种金属杂化氟硅超轻离型剂，由下述重量份成分制成：
氟硅嵌段硅油 100
交联剂 1～20
溶剂 1000～10000
Pt催化剂 10ppm～600ppm。
进一步地，所述氟硅嵌段硅油的结构式如下：
其中R1为H或者CH2=CH；R2为2～10个-CF2CF2-、-CF2CF（CF3）-、-CF2CF2O-或-CF2CFO（CF3）-的重复单元；R3为H、CH3或C2H5的一种，R4为-CnF2n+1（n≥5），R5为Cl、F、CH3、C2H5、OCH3或OC2H5中的一种；a/b/c=1～3/2～4/2～4。
进一步地，所述交联剂为含氢硅油、乙烯基MQ树脂、硅烷偶联剂中的一种。
进一步地，所述溶剂为全氟癸酸、1,3-二三氟甲基苯、二氟氯乙酸乙酯、二氟氯乙酸甲酯、三氯三氟乙烷等氟碳溶剂的一种或两种。
进一步地，所述Pt催化剂为铂金催化剂、有机锡催化剂中的一种或者两种。
一种如上所述金属杂化氟硅超轻离型剂的制备方法，包括以下过程：将氟硅嵌段硅油、交联剂溶于溶剂中，加入Pt催化剂后，搅拌均匀。
与现有技术相比，本发明具有以下优点：为提高氟硅离型剂和基材的结合力，改善耐热性、降低离型力、提高残余附着力，本发明将金属钛原子引入到氟硅离型剂中，明显改善了离型涂层与基材的结合牢度，大幅度改善了耐热性。同时引入可交联的极性基团，使涂层和基材形成牢度的键合作用，提高了残余附着力。
具体实施方式
下面结合实施例对本发明进行详细描述，本部分的描述仅是示范性和解释性，不应对本发明的保护范围有任何的限制作用。
实施例1
金属杂化氟硅油结构式如下：
其中a/b/c=1/4/4,重均分子量为9000以上，按照重量配比称取各组分；100份金属杂化氟硅硅油、1份含氢硅油（含氢量1.6%）、6份乙烯基MQ硅树脂溶于2000份1,3-二三氟甲基苯，搅拌均匀后，加入200ppm的铂金催化剂，涂布于未电晕的PET薄膜上，在150oC下烘烤35s后，得到氟素离型膜，测试结果如下：
表一：接触角和表面能测试
表二：离型性能及耐热性测试
实施例2
金属杂化氟硅油结构式如下：
其中a/b/c=3/2/4,重均分子量为16000以上，按照重量配比称取各组分；100份金属杂化氟硅硅油、10份乙烯基MQ硅树脂、6份A151乙烯基硅烷偶联剂溶于4000份1,3-二三氟甲基苯，搅拌均匀后，加入100ppm的铂金催化剂和50ppm的有机锡催化剂，涂布于未电晕的聚酰亚胺薄膜上，在150oC下烘烤35s后，得到氟素离型膜，测试结果如下：
表一：接触角和表面能测试
表二：离型性能及耐热性测试
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (6)

1.一种金属杂化氟硅超轻离型剂，其特征在于：由下述重量份成分制成：
氟硅嵌段硅油 100
交联剂 1～20
溶剂 1000～10000
Pt催化剂 10ppm～600ppm。
2.如权利要求1所述金属杂化氟硅超轻离型剂，其特征在于：所述氟硅嵌段硅油的结构式如下：
其中R1为H或者CH2=CH；R2为2～10个-CF2CF2-、-CF2CF（CF3）-、-CF2CF2O-或-CF2CFO（CF3）-的重复单元；R3为H、CH3或C2H5的一种，R4为-CnF2n+1（n≥5），R5为Cl、F、CH3、C2H5、OCH3或OC2H5中的一种；a/b/c=1～3/2～4/2～4。
3.如权利要求1所述金属杂化氟硅超轻离型剂，其特征在于：所述交联剂为含氢硅油、乙烯基MQ树脂、硅烷偶联剂中的一种。
4.如权利要求1所述金属杂化氟硅超轻离型剂，其特征在于：所述溶剂为全氟癸酸、1,3-二三氟甲基苯、二氟氯乙酸乙酯、二氟氯乙酸甲酯、三氯三氟乙烷等氟碳溶剂的一种或两种。
5.如权利要求1所述金属杂化氟硅超轻离型剂，其特征在于：所述Pt催化剂为铂金催化剂、有机锡催化剂中的一种或者两种。
6.一种如权利要求1所述金属杂化氟硅超轻离型剂的制备方法，包括以下过程：将氟硅嵌段硅油、交联剂溶于溶剂中，加入Pt催化剂后，搅拌均匀。
CN201710027900.9A 2017-01-16 2017-01-16 金属杂化氟硅超轻离型剂及其制备方法 Pending CN106833373A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107619479A (zh) * 2017-08-23 2018-01-23 无锡龙驰氟硅新材料有限公司 一种氟硅离型剂及其制备方法
CN110499058A (zh) * 2018-05-18 2019-11-26 新纶科技（常州）有限公司 一种轻离型或超轻离型膜用离型剂

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103923334A (zh) * 2014-04-09 2014-07-16 东南大学 一种氟硅离型膜及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103923334A (zh) * 2014-04-09 2014-07-16 东南大学 一种氟硅离型膜及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107619479A (zh) * 2017-08-23 2018-01-23 无锡龙驰氟硅新材料有限公司 一种氟硅离型剂及其制备方法
CN110499058A (zh) * 2018-05-18 2019-11-26 新纶科技（常州）有限公司 一种轻离型或超轻离型膜用离型剂

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