The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 2023
Filed:
Mar. 10, 2020
Toyobo Co., Ltd., Osaka, JP;
Takuro Endo, Inuyama, JP;
Kosuke Hama, Inuyama, JP;
TOYOBO CO., LTD., Osaka, JP;
Abstract
It is provided that the laminated stretched polyamide film having excellent water-resistant adhesiveness (water-resistant lamination strength), shock resistance, and pinhole resistance. A laminated stretched polyamide film that is a biaxially stretched polyamide film comprising three layers including layer B: an easily adhesive layer, layer A: a base layer, and layer C: a slippery layer in this order, wherein the layer A contains not lower than 65% by mass of polyamide 6, the layer B contains 0 to 40% by mass of polyamide 6 and 60 to 100% by mass of a polyamide 6 copolymer in which a ratio of a copolymerization component in the copolymer is 3 to 35% by mass, and the layer C contains not lower than 70% by mass of polyamide 6 and 0.05 to 1% by mass of fine particles having an average particle diameter of 0.1 to 10 μm.