Preparation and properties of reinforced transparent electronic encapsulant

Jing-hui FAN; Ju-ying WU; Yan MA

doi:10.3788/OPE.20182609.2169

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Preparation and properties of reinforced transparent electronic encapsulant

更新时间：2020-08-13

- Preparation and properties of reinforced transparent electronic encapsulant
- Optics and Precision Engineering Vol. 26, Issue 9, Pages: 2169-2173(2018)
- 作者机构：
  
  中国工程物理研究院总体工程研究所, 四川绵阳 621999
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20182609.2169
  CLC： TP324;TQ322.4
- Received：24 May 2018，
  
  Accepted：29 June 2018，
  
  Published：25 September 2018
- 稿件说明：
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Jing-hui FAN, Ju-ying WU, Yan MA. Preparation and properties of reinforced transparent electronic encapsulant[J]. Optics and precision engineering, 2018, 26(9): 2169-2173.
DOI：

Jing-hui FAN, Ju-ying WU, Yan MA. Preparation and properties of reinforced transparent electronic encapsulant[J]. Optics and precision engineering, 2018, 26(9): 2169-2173. DOI： 10.3788/OPE.20182609.2169.

摘要

为了改善透明电子灌封胶的力学性能，采用加成反应制备了补强型室温固化透明电子灌封胶。首先，通过开环聚合制备乙烯基封端的聚硅氧烷；以硅氢基封端的聚硅氧烷为交联剂，在铂配合物的催化作用下，制备得到可室温固化的透明型灌封基胶。采用MQ硅树脂对基胶进行补强，研究了MQ硅树脂的含量对灌封胶透光性、力学和绝缘性能的影响。结果表明，MQ硅树脂在含量15份时，补强型灌封胶的可见光透过率、电阻率、拉伸强度分别达到84%、2.77×10

Ω·cm、5.2 MPa；MQ硅树脂的适量加入有效提高了灌封胶的力学性能；试样在热老化和湿热老化之后仍保持优良的光学、力学和绝缘性能。

Abstract

To improve the mechanical property of transparent electronic encapsulant

reinforced transparent electronic encapsulant was obtained by additional method at room temperature. Firstly

vinyl-terminated polysiloxane was synthesized by ring-opening polymerization. Using Si-H-terminated polysiloxane as crosslinking agent and platinum complexes as catalyst

the transparent gum that cured at room temperature was prepared and subsequently reinforced by filling in MQ silicone resin. The influence of the amount of MQ silicone resin on the transmittance

mechanics

and insulation performance of the encapsulant was studied. The results indicate that the tensile strength

transmittance

and resistivity of the encapsulant reach 5.2 MPa

84%

and 2.77×10

Ω·cm

respectively

when the MQ silicone resin content is 15 phr; the mechanics performance is markedly improved when a suitable quantity of MQ silicone resin is filled in; the mechanics

transmittance

and insulation performance of the encapsulant is excellent after thermal aging

damp and thermal aging.

关键词

Keywords

references

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