Title:
ANTI-AGING PVC COMPOSITION, PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/107389
Kind Code:
A1
Abstract:
Disclosed is an anti-aging PVC composition, which contains a PVC resin, and, based on the weight percentage of the PVC resin, 10-80 wt% of a plasticizer, 1-10 wt% of an organic tin heat stabilizer and 0.1-5 wt% of an anti-aging auxiliary, wherein the anti-aging auxiliary is a compound of an oxamide auxiliary and an higher aliphatic ketone auxiliary. The anti-aging PVC composition of the present invention is suitable for preparing coating materials of video cables and audio cables. The anti-aging PVC composition of the present invention has excellent transparency and anti-aging properties, with △YI ≤ 1 under the conditions of 85ºC, 85% relative humidity, and 168 hours of aging.
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Inventors:
GUO CHAO (CN)
HUANG QISHAN (CN)
ZHAI ZHIBIN (CN)
HUANG QISHAN (CN)
ZHAI ZHIBIN (CN)
Application Number:
PCT/CN2018/118499
Publication Date:
June 04, 2020
Filing Date:
November 30, 2018
Export Citation:
Assignee:
WANHUA CHEMICAL GROUP CO LTD (CN)
WANHUA CHEMICAL NINGBO CO LTD (CN)
WANHUA CHEMICAL NINGBO CO LTD (CN)
International Classes:
C08L27/06; C08K5/00; C08K5/07; C08K5/20; C08K5/57
Foreign References:
| DE4204887A1 | 1993-08-26 | |||
| EP0168721A1 | 1986-01-22 | |||
| CN1213391A | 1999-04-07 | |||
| CN108003390A | 2018-05-08 |
Other References:
DAGANG ZHOU ET AL: "Plastic Aging and Anti-aging Technology", PLASTIC AGING AND ANTI-AGING TECHNOLOGY, 30 November 1998 (1998-11-30), pages 201 - 202, XP009521354, ISBN: 7-5019-2237-3
Attorney, Agent or Firm:
BOSS&YOUNG PATENT AND TRADEMARK LAW OFFICE (CN)
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