Polyamide resin composition, method for producing the same and refrigerant transporting hose
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United States of America Patent
Stats
-
Apr 24, 2018
Issued Date -
N/A
app pub date -
Feb 22, 2012
filing date -
Feb 22, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A polyamide resin composition is provided which contains an anti-aging agent together with a deterioration inhibitor, such as a metal compound or a silica-based inorganic compound, for preventing deterioration caused by, for example, an acid component or a halogen component contained in a refrigerant or an oil, and which satisfactorily produces an anti-aging effect expected by adding the anti-aging agent. For producing a polyamide resin composition containing an (a) polyamide resin, a (b) polyolefin-based elastomer, at least one (c) deterioration inhibitor selected from the group consisting of hydroxides, oxides and basic salts of divalent or trivalent metals, and silica-based inorganic compounds, and a (d) anti-aging agent, a mixture prepared by mixing and kneading the (c) deterioration inhibitor and (b) polyolefin-based elastomer and a mixture prepared by mixing and kneading the (a) polyamide resin and the (d) anti-aging agent are mixed and kneaded.
First Claim
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International Classification(s)
- 2012 Application Filing Year
- C08J Class
- 997 Applications Filed
- 862 Patents Issued To-Date
- 86.46 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08J Class
- 0 % this patent is cited more than
- 7 Age
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