Block copolymers

Patent metadata

Field	Value
Publication number	US-9879110-B2
Application number	US-201414549729-A
Country	US
Kind code	B2
Filing date	Nov 21, 2014
Priority date	Nov 21, 2014
Publication date	Jan 30, 2018
Grant date	Jan 30, 2018

Abstract

An AB-type block copolymer for use in printed circuit board (PCB) fabrication is provided having a structure represented by the following formula:

wherein R 1 is a silane pendant group that includes a silicon-containing moiety capable of bonding to a glass surface, and wherein R 2 is a matrix-reactive pendant group that includes at least one moiety (e.g., a vinyl-, allyl-, amine-, amide- or epoxy-containing moiety) capable of reacting with a base polymer.

First claim

What is claimed is:

1. A block copolymer comprising a structure represented by the following formula:

wherein R 1 is a silane pendant group that includes a silicon-containing moiety, and wherein R 2 is a matrix-reactive pendant group that includes a moiety selected from the group consisting of a vinyl-containing moiety, an allyl-containing moiety, an amine-containing moiety, an amide-containing moiety and an epoxy-containing moiety.

2. The block copolymer as recited in claim 1 , wherein the block copolymer is represented by the following formula:

3. The block copolymer as recited in claim 1 , wherein the block copolymer is represented by the following formula:

4. The block copolymer as recited in claim 1 , wherein R 1 is a silane pendant group that includes a silicon atom attached to the norbornene molecule through a linking structure and wherein R 1 is represented by the formula -L-Si(A 1 ,A 2 ,A 3 ), wherein A 1 , A 2 , and A 3 are each independently selected from the group consisting of an alkyl group of C 1 -C 10 , an alkoxy group of C 1 -C 4 , an aryl group of C 6 - C 12 , an aryl group of C 6 - C 12 substituted by an alkyl group of C 1 -C 12 , and a halogen atom, and wherein L is a linking structure selected from the group consisting of an alkyl group of C 2 -C 10 , an alkene group of C 2 -C 10 , a cycloalkyl group of C 6 -C 12 , a cycloalkane group of C 6 -C 12 , an aryl group of C 6 -C 12 , an aryl group of C 6 -C 12 substituted by an alkyl group of C 1 -C 10 , and a structure represented by any of the Linking Structures 1 to 4, represented by the following formulas:

wherein x is an integer from 0 to 2, y is an integer from 0 to 3, and z is an integer from 0 to 2.

5. The block copolymer as recited in claim 1 , wherein R 1 is a silane pendant group that includes a silicon atom attached directly to the norbornene molecule and wherein R 1 is represented by the formula —Si(A 1 ,A 2 ,A 3 ), wherein A 1 , A 2 , and A 3 are each independently selected from the group consisting of an alkyl group of C 1 -C 10 , an alkoxy group of C 1 -C 4 , an aryl group of C 6 -C 12 , an aryl group of C 6 -C 12 substituted by an alkyl group of C 1 -C 12 , and a halogen atom.

6. The block copolymer as recited in claim 1 , wherein the block copolymer is synthesized by polymerizing a matrix-reactive functionalized norbornene monomer in the presence of a polynorbornene homopolymer and a multi-component catalyst system comprising a Ziegler-Natta catalyst and cocatalyst using sequential addition and Ziegler-Natta polymerization, wherein the matrix-reactive functionalized norbornene monomer is represented by the following formula:

wherein R 2 is a matrix-reactive pendant group that includes a moiety selected from the group consisting of a vinyl-containing moiety, an allyl-containing moiety, an amine-containing moiety, an amide-containing moiety and an epoxy-containing moiety.

7. The block copolymer as recited in claim 6 , wherein the matrix-reactive functionalized norbornene monomer is vinyl norbornene.

8. The block copolymer as recited in claim 6 , wherein the matrix-reactive functionalized norbornene monomer is allyl norbornene.

9. The block copolymer as recited in claim 6 , wherein the matrix-reactive functionalized norbornene monomer is 5-norbornene-2-methylamine.

10. The block copolymer as recited in claim 6 , wherein the matrix-reactive functionalized norbornene monomer is 5-norbornene-2-carboxamide.

11. The block copolymer as recited in claim 6 , wherein the matrix-reactive functionalized norbornene monomer is a norbornene monomer with a terminal epoxy group represented by the following formula:

wherein R 3 is a hydrogen atom or a methyl group.

12. The block copolymer as recited in claim 4 , wherein the block copolymer is synthesized by polymerizing a matrix-reactive functionalized norbornene monomer in the presence of a polynorbornene homopolymer and a multi-component catalyst system comprising a Ziegler-Natta catalyst and cocatalyst using sequential addition and Ziegler-Natta polymerization, wherein the matrix-reactive functionalized norbornene monomer is represented by the following formula:

wherein R 2 is a matrix-reactive pendant group that includes a moiety selected from the group consisting of a vinyl-containing moiety, an allyl-containing moiety, an amine-containing moiety, an amide-containing moiety and an epoxy-containing moiety.

13. The block copolymer as recited in claim 12 , wherein the matrix-reactive functionalized norbornene monomer is selected from the group consisting of vinyl norbornene, allyl norbornene, 5-norbornene-2-methylamine, 5-norbornene-2-carboxamide, and a norbornene monomer with a terminal epoxy group represented by the following formula:

wherein R 3 is a hydrogen atom or a methyl group.

14. The block copolymer as recited in claim 5 , wherein the block copolymer is synthesized by polymerizing a matrix-reactive functionalized norbornene monomer in the presence of a polynorbornene homopolymer and a multi-component catalyst system comprising a Ziegler-Natta catalyst and cocatalyst using sequential addition and Ziegler-Natta polymerization, wherein the matrix-reactive functionalized norbornene monomer is represented by the following formula:

wherein R 2 is a matrix-reactive pendant group that includes a moiety selected from the group consisting of a vinyl-containing moiety, an allyl-containing moiety, an amine-containing moiety, an amide-containing moiety and an epoxy-containing moiety.

15. The block copolymer as recited in claim 14 , wherein the matrix-reactive functionalized norbornene monomer is selected from the group consisting of vinyl norbornene, allyl norbornene, 5-norbornene-2-methylamine, 5-norbornene-2-carboxamide, and a norbornene monomer with a terminal epoxy group represented by the following formula:

wherein R 3 is a hydrogen atom or a methyl group.

Assignees

• IBM

Inventors

• Boday Dylan J
• Kuczynski Joseph
• Mauldin Timothy C

Classifications

• H05K3/0011

  Working of insulating substrates or insulating layers · CPC title

• C08F299/00 Primary

  Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers · CPC title

• H05K1/0366 Primary

  reinforced, e.g. by fibres, fabrics (H05K1/036 takes precedence) · CPC title

• H05K3/46

  Manufacturing multilayer circuits · CPC title

• C08J3/24

  Crosslinking, e.g. vulcanising, of macromolecules (mechanical aspects B29C35/00; crosslinking agents C08K) · CPC title