Polypropylene composite material with low linear expansion coefficient and high surface hardness and preparation method thereof
The invention relates to a polypropylene composite material with low linear expansion coefficient and high surface hardness, which comprises the following components by weight: 100 parts of PP resin, 5 to 15 parts of functional fused silica powder, 10 to 20 parts of functional wollastonite powder, 8...
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| creator | KONG WEI JI CHENG MENG CHENGMING CHEN GUANGWEI YUE TONGJIAN |
| description | The invention relates to a polypropylene composite material with low linear expansion coefficient and high surface hardness, which comprises the following components by weight: 100 parts of PP resin, 5 to 15 parts of functional fused silica powder, 10 to 20 parts of functional wollastonite powder, 8 to 15 parts of POE, and 0.3 to 0.5 part of an antioxidant. The functional wollastonite powder is a product obtained after wollastonite is subjected to surface treatment by an ultra-dispersion coupling agent, and the weight part ratio of the wollastonite to the ultra-dispersion coupling agent is (20: 1)-(25: 1); the functional fused silica powder is a product obtained after surface treatment is carried out on fused silica through an ultra-dispersion coupling agent, and the weight part ratio of the fused silica to the ultra-dispersion coupling agent is 25: 1-30: 1; the linear expansion coefficient of the fused silica is 0.5 * 10 mm/mm/DEG C; the ultra-dispersion coupling agent is a coupling agent SP-1013 produce |
| format | Patent |
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The functional wollastonite powder is a product obtained after wollastonite is subjected to surface treatment by an ultra-dispersion coupling agent, and the weight part ratio of the wollastonite to the ultra-dispersion coupling agent is (20: 1)-(25: 1); the functional fused silica powder is a product obtained after surface treatment is carried out on fused silica through an ultra-dispersion coupling agent, and the weight part ratio of the fused silica to the ultra-dispersion coupling agent is 25: 1-30: 1; the linear expansion coefficient of the fused silica is 0.5 * 10<-6> mm/mm/DEG C; the ultra-dispersion coupling agent is a coupling agent SP-1013 produce</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211224&DB=EPODOC&CC=CN&NR=113831641A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211224&DB=EPODOC&CC=CN&NR=113831641A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KONG WEI</creatorcontrib><creatorcontrib>JI CHENG</creatorcontrib><creatorcontrib>MENG CHENGMING</creatorcontrib><creatorcontrib>CHEN GUANGWEI</creatorcontrib><creatorcontrib>YUE TONGJIAN</creatorcontrib><title>Polypropylene composite material with low linear expansion coefficient and high surface hardness and preparation method thereof</title><description>The invention relates to a polypropylene composite material with low linear expansion coefficient and high surface hardness, which comprises the following components by weight: 100 parts of PP resin, 5 to 15 parts of functional fused silica powder, 10 to 20 parts of functional wollastonite powder, 8 to 15 parts of POE, and 0.3 to 0.5 part of an antioxidant. 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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | Polypropylene composite material with low linear expansion coefficient and high surface hardness and preparation method thereof |
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