US 12,122,912 B2
Composition comprising maleimide pre-polymerized resin
Shu-Hao Chang, Taoyuan (TW)
Assigned to ELITE MATERIAL CO., LTD., Taoyuan (TW)
Filed by Elite Material Co., Ltd., Taoyuan (TW)
Filed on Dec. 21, 2021, as Appl. No. 17/557,846.
Claims priority of application No. 110141221 (TW), filed on Nov. 4, 2021.
Prior Publication US 2023/0135428 A1, May 4, 2023
Int. Cl. C08L 71/12 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 15/04 (2006.01); B32B 15/20 (2006.01); C08J 5/24 (2006.01); C08L 79/08 (2006.01); C09J 7/30 (2018.01); C09J 171/12 (2006.01)
CPC C08L 71/12 (2013.01) [B32B 5/02 (2013.01); B32B 5/26 (2013.01); B32B 15/043 (2013.01); B32B 15/20 (2013.01); C08J 5/244 (2021.05); C08L 79/085 (2013.01); C09J 7/30 (2018.01); C09J 171/12 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/101 (2013.01); B32B 2307/206 (2013.01); C08J 2371/12 (2013.01); C08J 2479/08 (2013.01); C09J 2400/14 (2013.01); C09J 2400/163 (2013.01); C09J 2471/00 (2013.01); C09J 2479/08 (2013.01)] 9 Claims
 
1. A resin composition comprising maleimide-containing pre-polymerized resin comprising:
100 parts by weight of vinyl-containing polyphenylene ether resin;
35 to 45 parts by weight of bis(vinylphenyl) ethane; and
30 parts by weight to 60 parts by weight of maleimide pre-polymerized resin;
wherein the maleimide pre-polymerized resin is a prepolymer obtained by pre-polymerization of aromatic maleimide resin and long-chain maleimide resin, and wherein the long-chain maleimide resin comprises a structure shown in any one of formula (1) to formula (4);

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry
wherein, in formula (1) and formula (2), n is an integer from 1 to 10 respectively; in formula (3), m1 is an integer from 1 to 5, and m2 is an integer from 1 to 5; in formula (4), n is an integer from 1 to 3; and
wherein the weight ratio of the aromatic maleimide resin to the long-chain maleimide resin is 1:3 to 1:5.