Twin-monomer composition and dielectric film thereof

Patent metadata

Field	Value
Publication number	US-2022324885-A1
Application number	US-202017626836-A
Country	US
Kind code	A1
Filing date	Jul 3, 2020
Priority date	Jul 18, 2019
Publication date	Oct 13, 2022
Grant date	—

Abstract

A composition comprising a monomer of the general formula (M1) wherein M is a metal or semimetal of main group 3 or 4 of the periodic table; XM1, XM2 are each O; RM1, RM2 are the same or different and are each an —CRaRb—Ar—O—Rc; Ar is a C6 to C30 carbocyclic ring system; Ra, Rb are the same or different and are each H or C1 to C6 alkyl; Rc is C1-C22-alkyl, benzyl or phenyl; q according to the valency and charge of M is 0 or 1; XM3, XM4 are the same or different and are each O, C6 to C10 aryl, or —CH2—; RM3, RM4 are the same or different and are each RM1, H, C1-C22 alkyl, or a polymer selected from a polyalkylene, a polysiloxane, or a polyether.

First claim

1 .- 15 . (canceled)

16 . A composition comprising a twin monomer of the general formula M1

wherein
M is a metal or semimetal of main group 3 or 4 of the periodic table;
X M1 , X M2 are each O;
R M1 , R M2 are the same or different and are each an —CR a R b —Ar—O—R c ;
Ar is a C 6 to C 30 carbocyclic ring system;
R a , R b are the same or different and are each H or C 1 to C 6 alkyl;
R c is C 1 -C 22 -alkyl, benzyl or phenyl;
q according to the valency and charge of M is 0 or 1;
X M3 , X M4 are the same or different and are each O, C 6 to C 10 aryl, or —CH 2 —;
R M3 , R M4 are the same or different and are each R M1 , H, C 1 -C 22 alkyl, or a polymer selected from a polyalkylene, a polysiloxane, or a polyether.

17 . The composition according to claim 16 , wherein M is B, Al, Si, Ti or Zr.

18 . The composition according to claim 16 , wherein X M3 and X M4 are the same or different and are each O, phenyl or naphthyl, or —CH2-.

19 . The composition according to claim 16 , wherein R M3 , R M4 are the same or different and are each O, C 1 -C 12 alkyl, or a polymer selected from a polysiloxane or a polyether.

20 . The composition according to claim 16 , wherein Ar is phenyl and R c is C 1 -C 12 -alkoxy, benzyloxy or phenoxy;

21 . The composition according to claim 16 , wherein R a and R b are the same or different and are each H or C 1 to C 4 alkyl, preferably H.

22 . The composition according to claim 16 , wherein the twin monomer has the general formula M2

wherein
M is a metal or semimetal, generally a metal or semimetal of main group 3 or 4 or of transition group 4 of the periodic table;
R M1 , R M2 are each an —CR a R b —Ar;
Ar is a C 6 to C 12 aromatic ring and particularly a phenyl ring, where Ar comprises 1 or 2 substituents, selected from C 1 -C 4 -alkoxy;
R a , R b are the same or different and are each H or C 1 to C 4 alkyl.
q according to the valency and charge of M is 0 or 1;
R M3 , R M4 are each R M1 .

23 . The composition according to claim 16 , wherein the twin monomer has the general formula M2a

or M2a′

wherein R M21 , R M22 , R M23 , and R M24 are each independently selected from methyl, ethyl, propyl or butyl.

24 . The composition according to claim 16 , wherein the twin monomer has the general formula M2

wherein
M is a metal or semimetal, generally a metal or semimetal of main group 3 or 4 or of transition group 4 of the periodic table;
R M1 , R M2 are each an —CR a R b —Ar;
Ar is a C 6 to C 12 aromatic ring and particularly a phenyl ring, where Ar comprises 1 or 2 substituents, preferably 1 substituent, selected from C 1 -C 4 -alkoxy;
R a , R b are the same or different and are each H or C 1 to C 4 alkyl.
q according to the valency and charge of M is 0 or 1;
R M3 , R M4 are the same or different and are each H, C 1 -C 22 alkyl, or a polymer.

25 . The composition according to claim 16 , wherein the twin monomer has the general formula M2b

or M2b′

wherein R M31 , R M32 , R M23 , and R M24 are each independently selected from methyl, ethyl, propyl or butyl.

26 . The composition according to claim 16 , further comprising an inorganic filler, a polymeric binder, or a combination thereof.

27 . Use of a composition according to claim 16 for depositing a dielectric material, particularly a dielectric film, on a circuit substrate, particularly for manufacturing a printed wiring board.

28 . A dielectric film prepared by polymerizing a composition according to claim 16 in the presence of an acidic catalyst at temperature of preferably from 60° C. to 200° C., wherein the dielectric layer has a dielectric resistance D k of 3 or below and a loss tangent D f of 0.02 or below.

29 . A dielectric film according to claim 28 , received by polymerizing the twin monomer according to claim 23 and the twin monomer according to claim 25 in a mixing ratio of from 10:90 to 90:10 by weight.

30 . A multi-layered printed wiring board comprising a dielectric film according to claim 28 .

Assignees

• Basf Se

Inventors

• Csihony Szilard
• Lindner Jean-Pierre Berkan
• Loeffler Daniel
• Burk Yeni
• Hennig Ingolf
• Henderson Lucas Benjamin
• Gerke Birgit
• De Oliveira Rui
• Boyko Volodymyr
• Pirrung Frank

Classifications

• H10W70/695

  Organic materials · CPC title

• C08G61/02 Primary

  Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes · CPC title

• C08G2261/65

  Electrical insulator · CPC title

• C08G77/80

  Siloxanes having aromatic substituents, e.g. phenyl side groups · CPC title

• H05K1/0326

  containing O · CPC title