Patent ID: 11884848
Assignee: SHIN-ETSU CHEMICAL CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A glassy adhesive comprising a composition containing at least:
(A) a polysilazane compound having, as internal units, only repeating units represented by the following formulae (A-1) and (A-2) and not containing a hydrosilyl group,, wherein R is a group selected from an aliphatic hydrocarbon group being a methyl group or an ethyl group, an aromatic hydrocarbon group having 6 to 12 carbon atoms, and an alkoxy group having 1 to 6 carbon atoms, and Rs in the polysilazane compound are identical to or different from each other; and
(B) a curing catalyst,
wherein a mole ratio of the component (A-1) to the component (A-2), which is (A-1):(A-2), is within a range of 3:7 to 7:3, the composition has a non-volatile content of 50 mass % or more, when the composition being heated at 105° C. for 3 hours, and the curing catalyst is citric acid or an organic aluminum compound.