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US 12,753,335 B2Granted
Polymer and thermal interface material
AssigneeIndustrial Technology Research Institute
InventorsHsiang-Yen Tsao, Hui-Wen Chang, Jyh-Long Jeng
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Abstract
A polymer is formed by reacting (a) benzaldazine compound with (b1) diamine compound, (b2) dianhydride compound, (b3) epoxy resin, or a combination thereof, wherein (a) benzaldazine compound has a chemical structure of in which R1 is —NH2, —OH, or The polymer can be combined with inorganic powder to form a thermal interface material.
Claims6
A polymer,
- formed by reacting a (a) benzaldazine compound with a (b2) dianhydride compound,
- formed by reacting the (a) benzaldazine compound with a (b1) diamine compound and the (b2) dianhydride compound, or
- formed by reacting the (a) benzaldazine compound with the (b1) diamine compound and a (b3) epoxy resin,
- wherein the (a) benzaldazine compound has a chemical structure of
- in which R1 is —NH2,
- wherein the (b1) diamine compound comprises 4,4′-oxydianiline, polyetheramine, 4,4′-diaminodiphenylmethane, trimethylene bis(4-aminobenzoate), 4,4′-bis(4-amino phenoxy)biphenyl, 4,4′-methylenebis(2-methylcyclohexylamine), bis(aminomethyl)norbornane, or 1,4-bis(aminopropyl)piperazine, and
- wherein the (b2) dianhydride compound comprises 4,4′-oxydiphthalic anhydride, 4,4′-(4,4′-isopropylidenediphenoxy)bis(phthalic anhydride), 1,2,4,5-cyclohexane tetracarboxylic dianhydride, pyromellitic dianhydride, 3,3′-4,4′-biphenyl tetracarboxylic dianhydride, 4,4′-(hexafluoro isopropylidene)diphthalic anhydride, or benzophenone-3,3′4,4′-tetracarboxylic dianhydride.
4 more elements
Dependencies are inferred from the claim text.