新型低硬度高折射率有机硅光学胶粘剂的制备

IF 2.8 3区材料科学 Q3 CHEMISTRY, PHYSICAL Silicon Pub Date : 2024-10-25 DOI:10.1007/s12633-024-03183-6

Zhaoqun Pan, Shuangshuang Li, Changxin Cai

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引用次数: 0

摘要

以二苯基硅二醇（DPDS）和甲基苯基二甲氧基硅烷（MPDMS）为原料，采用非水解溶胶-凝胶缩合法合成了端羟基聚二苯基甲基苯基硅氧烷（PDPMPS-OH）。随后，将合成的PDPMPS-OH与二乙烯基四甲基二硅氧烷（MMvi）反应，制得折射率为1.580、长链线性结构的端乙烯基聚二苯基甲基苯基硅氧烷（PDPMPS-Vi）。PDPMPS-Vi与含氢硅树脂固化后的光学胶粘剂产品（CSOA）具有优异的光学性能和高可靠性，显著提高了抗拉强度（可达384 kPa）、硬度（可达48 O）和断裂伸长率（可达237.9%），折射率可达1.575。该胶粘剂表现出优异的光学元件胶粘剂性能。

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The Preparation of a Novel Silicone Optical Adhesive with Low Hardness and High Refractive Index

Hydroxyl-terminated polydiphenyl-methylphenyl siloxane (PDPMPS-OH) was synthesized by a non-hydrolysis sol–gel condensation method, using diphenylsilanediol (DPDS) and methylphenyl dimethoxysilane (MPDMS) as the raw materials. Subsequently, the synthesized PDPMPS-OH was reacted with divinyltetramethyldisiloxane (MM^vi) to produce a vinyl-terminated polydiphenyl-methylphenyl siloxane (PDPMPS-Vi) with a high refractive index of 1.580 and a long chain linear structure. The optical adhesive product (CSOA) cured by PDPMPS-Vi and a hydrogen-containing silicone resin, exhibits excellent optical performance, high reliability, and significantly enhanced tensile strength (up to 384 kPa), hardness (up to 48 O), and elongation at break (up to 237.9%), as well as a refractive index of up to 1.575. This adhesive demonstrates remarkable performance as an optical component adhesive.

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来源期刊

Silicon CHEMISTRY, PHYSICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.90

自引率

20.60%

发文量

685

审稿时长

>12 weeks

期刊介绍： The journal Silicon is intended to serve all those involved in studying the role of silicon as an enabling element in materials science. There are no restrictions on disciplinary boundaries provided the focus is on silicon-based materials or adds significantly to the understanding of such materials. Accordingly, such contributions are welcome in the areas of inorganic and organic chemistry, physics, biology, engineering, nanoscience, environmental science, electronics and optoelectronics, and modeling and theory. Relevant silicon-based materials include, but are not limited to, semiconductors, polymers, composites, ceramics, glasses, coatings, resins, composites, small molecules, and thin films.