Claims
- 1. An amorphous, optically clear solid polyamide consisting essentially of the polymeric condensation product of
- a. at least one bis(4-aminocyclohexyl)methane or a methyl derivative thereof of the formula ##SPC3##
- wherein each R is hydrogen or a methyl radical, and
- b. at least one phenylindanedicarboxylic acid or an alkyl derivative thereof of the formula ##SPC4##
- wherein each R' is hydrogen or an alkyl radical having 1-3 carbon atoms.
- 2. The polyamide of claim 1 wherein a. is bis(4-aminocyclohexyl)methane, and b. is 1,1,3-trimethyl-5-carboxy-3-(p-carboxyphenyl)indane.
- 3. A polyamide according to claim 1 which contains a filler therein as a reinforcement element.
- 4. A film formed from a polyamide according to claim 1.
- 5. A fiber composed of a polyamide according to claim 1.
- 6. A solution of a polyamide according to claim 1 in a solvent therefor.
Parent Case Info
This is a continuation-in-part application of my copending application having Ser. No. 210,598, filed Dec. 21, 1971, now U.S. Pat. No. 3,838,111.
US Referenced Citations (4)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
210598 |
Dec 1971 |
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