Polyacetal resin composition, extrusion-molded article, and injection-molded article
US12037486B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 3, 2021 |
| Grant date | Jul 16, 2024 |
| Priority date | — |
| Expiry date | Mar 3, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/066
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a polyacetal resin composition, which comprises a polyacetal resin, and which further comprises the following (A), (B) and (C), with respect to 100 parts by weight of the polyacetal resin: (A) 0.05 to 5.5 parts by weight of a low-density polyethylene having a melt flow rate of 1.0 to 50 g/10 minutes (190° C., 2.16 kg), (B) 0.05 to 2.0 parts by weight of a fatty acid compound (excluding calcium stearate), and (C) 0.001 to 1.0 part by weight of a layered double hydroxide represented by the following general formula (1): [(M2+)x(M3+)y(OH)2(x+y)](An−)x/n(H2O) (1) (wherein, in the general formula (1), M2+ represents a divalent metal ion, M3+ represents a trivalent metal ion, An− represents an n-valent anion, wherein one or more of the anions are contained in the layered double hydroxide, x represents a number in the range of 0<x≤ 6.0, n represents 1, 2, or 3, and y and z each represent a number of 0 or greater).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.