	US 11,807,719 B2
	Clear polyamide resins, articles, and methods
Yuhong Wu, Columbia, SC (US); Keith D. Parks, Matthews, NC (US); Alfred O. Jessee, Lugoff, SC (US); and Saumitra Bhargava, Clarksville, MD (US)
Assigned to SHAKESPEARE COMPANY, LLC, Greer, SC (US)
Filed by Shakespeare Company, LLC, Greer, SC (US)
Filed on Oct. 31, 2019, as Appl. No. 16/670,148.
Claims priority of provisional application 62/753,149, filed on Oct. 31, 2018.
Prior Publication US 2020/0131312 A1, Apr. 30, 2020
Int. Cl. C08G 69/26 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); C08G 69/28 (2006.01); B29C 45/14 (2006.01); C08L 77/06 (2006.01); B29K 75/00 (2006.01); B29K 77/00 (2006.01)

CPC C08G 69/265 (2013.01) [B29C 45/14811 (2013.01); B32B 27/08 (2013.01); B32B 27/285 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); C08G 69/28 (2013.01); C08L 77/06 (2013.01); B29C 45/14 (2013.01); B29K 2075/00 (2013.01); B29K 2077/00 (2013.01); B29K 2995/0018 (2013.01); B32B 2274/00 (2013.01); C08L 2201/10 (2013.01); C08L 2203/20 (2013.01); C08L 2203/30 (2013.01)]

19 Claims

1. A polyamide resin comprising the reaction product of an intimate mixture of:

at least two diamine monomers, wherein one of the at least two diamine monomers comprises HMDA present in the at least two diamine monomers in an amount of between about 25 mol. % and about 50 mol. %, and wherein one of the at least two diamine monomers comprises a cycloaliphatic diamine; and

an organic diacid comprising isophthalic acid present in the organic acid in an amount of between about 10 mol. % and about 30 mol. %,

wherein sebacic acid is present in the organic diacid in an amount of greater than 0 mol. % to about 50 mol. %.