Resin composition, prepreg for printed circuit and metal-coated laminate

Patent metadata

Field	Value
Publication number	US-11970591-B2
Application number	US-201817287911-A
Country	US
Kind code	B2
Filing date	Dec 25, 2018
Priority date	Dec 25, 2018
Publication date	Apr 30, 2024
Grant date	Apr 30, 2024

Abstract

Provided is a resin composition, a prepreg for a printed circuit and a metal-coated laminate. The resin composition includes: a silicone aryne resin, a polyphenylene ether resin with unsaturated bonds, and a butadiene polymer. The resin composition is used such that the prepared metal-coated laminate can have at least one of the following characteristics: a low dielectric loss factor, high heat resistance, and a low coefficient of thermal expansion.

First claim

What is claimed:

1. A resin composition, comprising:
a silicon-containing arylacetylene resin,
a polyphenylene ether resin with unsaturated bonds; and
a butadiene polymer;
wherein the silicon-containing arylacetylene resin, the polyphenylene ether resin with unsaturated bonds and the butadiene polymer have a weight ratio of (1-95):(5-70):(5-70);
wherein the silicon-containing arylacetylene resin is represented by the following formula:

wherein
n is an integer between 1 and 5; and

R 1 and R 2 are each independently a group selected from the group consisting of hydrogen, C 1-6 alkyl or C 3-6 cycloalkyl.

2. The resin composition according to claim 1 , wherein the silicon-containing arylacetylene resin has a number average molecular weight of 250 to 10,000.

3. The resin composition according to claim 1 , wherein the polyphenylene ether resin with unsaturated bonds is a polyphenylene ether resin containing unsaturated double bonds in the end groups or side chains, and has a molecular backbone chain structure as shown below:

wherein n is an integer that allows the polyphenylene ether resin with unsaturated bonds to have a number average molecular weight of 1,000 to 7,000.

4. The resin composition according to claim 1 , wherein the butadiene polymer is selected from butadiene homopolymers, butadiene copolymers or a combination thereof.

5. The resin composition according to claim 4 , wherein the butadiene copolymer is selected from any one or a mixture of at least two of polybutadiene homopolymer, styrene-butadiene copolymer, hydrogenated diene-butadiene-styrene copolymer, maleic anhydride diene-butadiene-styrene copolymer, styrene-butadiene-styrene copolymer, styrene-isoprene-styrene copolymer, styrene-butadiene-divinylbenzene copolymer and maleic anhydride styrene-butadiene copolymer.

6. The resin composition according to claim 1 , wherein the content of the 1,2-vinyl group in the side chain of the butadiene polymer is 18% by weight or more.

7. The resin composition according to claim 1 , wherein the butadiene polymer has a number average molecular weight in the range of 1,000 to 10,000.

8. The resin composition according to claim 1 , further comprising an accelerator, wherein the content of the accelerator in the resin composition is 0.01 to 5% by weight.

9. The resin composition according to claim 8 , wherein the accelerator is selected from any one or a mixture of at least two of peroxides, metal salts of acetylacetone, metal salts of naphthenic acid, vanadium pentoxide, amines, quaternary ammonium salts, imidazoles and triphenylphosphine.

10. The resin composition according to claim 1 , further comprising a filler.

11. The resin composition according to claim 10 , wherein the filler is selected from any one or a mixture of at least two of alumina, titanium oxide, mica, silica, beryllium oxide, barium titanate, potassium titanate, strontium titanate, calcium titanate, aluminum carbonate, magnesium hydroxide, aluminum hydroxide, aluminum silicate, calcium carbonate, calcium silicate, magnesium silicate, silicon nitride, boron nitride, clays such as calcined clay, talc, aluminum borate and silicon carbide.

12. The resin composition according to claim 1 , further comprising a flame retardant.

13. The resin composition according to claim 1 , further comprising a solvent.

14. A prepreg for printed circuits, comprising a reinforcing material, and the resin composition according to claim 1 that is attached to the reinforcing material after impregnation and drying.

15. A metal-clad laminate, comprising at least one prepreg for printed circuits according to claim 14 and a metal foil.

16. A prepreg for printed circuits, comprising a reinforcing material, and the resin composition according to claim 1 that is attached to the reinforcing material after impregnation and drying.

17. A prepreg for printed circuits, comprising a reinforcing material, and the resin composition according to claim 2 that is attached to the reinforcing material after impregnation and drying.

18. The resin composition according to claim 10 , wherein the filler comprises at least two of the members selected from the group consisting of alumina, titanium oxide, mica, silica, beryllium oxide, barium titanate, potassium titanate, strontium titanate, calcium titanate, aluminum carbonate, magnesium hydroxide, aluminum hydroxide, aluminum silicate, calcium carbonate, calcium silicate, magnesium silicate, silicon nitride, boron nitride, clays, talc, aluminum borate and silicon carbide.

19. The resin composition according to claim 10 , wherein the filler is selected from the group consisting of alumina, titanium oxide, mica, silica, beryllium oxide, barium titanate, potassium titanate, strontium titanate, calcium titanate, aluminum carbonate, magnesium hydroxide, aluminum hydroxide, aluminum silicate, calcium carbonate, calcium silicate, magnesium silicate, silicon nitride, boron nitride, a clay, talc, aluminum borate and silicon carbide.

Assignees

• Shengyi Technology Co Ltd

Inventors

• Meng Yundong
• Fang Kehong

Classifications

• C08J5/244 Primary

  using glass fibres · CPC title

• B32B5/02

  characterised by structural features of a {fibrous or filamentary} layer {(layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02)} · CPC title

• B32B15/14

  next to a fibrous or filamentary layer · CPC title

• B32B15/20

  comprising aluminium or copper {(B32B15/016 and B32B15/017 take precedence)} · CPC title

• C08L9/00

  Compositions of homopolymers or copolymers of conjugated diene hydrocarbons · CPC title