Title:
HIGH-BRIGHTNESS PAINT-FREE BOARD HAVING THICKNESS OF 15-18 MM
Document Type and Number:
WIPO Patent Application WO/2021/143408
Kind Code:
A1
Abstract:
A high-brightness paint-free board having a thickness of 15-18 mm, relating to the technical field of polyvinyl chloride foam boards. The paint-free board consists of 75-80 parts of polyvinyl chloride SG8 resin, 55-60 parts of ground calcium carbonate, 30-40 parts of recycled materials, 9-10 parts of a foaming regulator 300, 3.5-3.8 parts of a calcium zinc stabilizer, 0.3-0.4 part of an internal lubricant SP-60, 0.5-0.6 part of external lubricating PE wax, 0.3-0.4 part of a high-temperature external lubricant AP, 0.3-0.4 part of a plasticizer OA6, 0.3-0.4 part of an exothermic AC foaming agent, 1.3-1.4 parts of an endothermic NS-603 foaming agent, and 0.25 part of a blue light brightening agent. The paint-free board solves the problems in the existing products of low surface brightness, and low board hardness and strength.
Inventors:
DUAN PEICAI (CN)
LIU NA (CN)
LIN LIDONG (CN)
GAO BINGKUN (CN)
DING FENG (CN)
LIU NA (CN)
LIN LIDONG (CN)
GAO BINGKUN (CN)
DING FENG (CN)
Application Number:
PCT/CN2020/135657
Publication Date:
July 22, 2021
Filing Date:
December 11, 2020
Export Citation:
Assignee:
SHANDONG HUIFENG NEW MATERIAL TECH CO LTD (CN)
International Classes:
C08L27/06; B29D7/01; C08J9/04; C08J9/10; C08K3/26; C08L23/06
Domestic Patent References:
| WO2015139541A1 | 2015-09-24 |
Foreign References:
| CN111234408A | 2020-06-05 | |||
| CN104893156A | 2015-09-09 | |||
| CN104893156A | 2015-09-09 | |||
| CN104893157A | 2015-09-09 | |||
| CN104893157A | 2015-09-09 | |||
| CN109161132A | 2019-01-08 | |||
| CN1331010A | 2002-01-16 | |||
| CN108384156A | 2018-08-10 | |||
| US20110204543A1 | 2011-08-25 |
Attorney, Agent or Firm:
QINGDAO FIRST PATENT & TRADEMARK AGENT CO., LTD. (CN)
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