Method for evaluating dispersibility of calcium carbonate powder
According to the calcium carbonate powder dispersibility evaluation method provided by the invention, the calcium carbonate powder and the carrier resin are mixed and then are directly subjected to film blowing molding to obtain the film, and the crystal point effect on the film is observed; a quali...
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| creator | ZENG LINGXUN LI LINGHUAN |
| description | According to the calcium carbonate powder dispersibility evaluation method provided by the invention, the calcium carbonate powder and the carrier resin are mixed and then are directly subjected to film blowing molding to obtain the film, and the crystal point effect on the film is observed; a qualified calcium carbonate powder sample A applied by downstream customers and an unused and to-be-evaluated calcium carbonate powder sample B are respectively taken and mixed with carrier resin, then films are respectively blown to obtain a film A and a film B, and then the distribution conditions of crystal points on the film A and the film B are respectively compared to evaluate the dispersibility of the calcium carbonate powder sample B, if the crystal points on the film B are less than the crystal points on the film A, the dispersibility of the calcium carbonate powder to be evaluated is better, otherwise, the dispersibility of the calcium carbonate powder to be evaluated is poorer, and the method is a direct film |
| format | Patent |
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a qualified calcium carbonate powder sample A applied by downstream customers and an unused and to-be-evaluated calcium carbonate powder sample B are respectively taken and mixed with carrier resin, then films are respectively blown to obtain a film A and a film B, and then the distribution conditions of crystal points on the film A and the film B are respectively compared to evaluate the dispersibility of the calcium carbonate powder sample B, if the crystal points on the film B are less than the crystal points on the film A, the dispersibility of the calcium carbonate powder to be evaluated is better, otherwise, the dispersibility of the calcium carbonate powder to be evaluated is poorer, and the method is a direct film</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2024</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=20240927&DB=EPODOC&CC=CN&NR=118706689A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240927&DB=EPODOC&CC=CN&NR=118706689A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZENG LINGXUN</creatorcontrib><creatorcontrib>LI LINGHUAN</creatorcontrib><title>Method for evaluating dispersibility of calcium carbonate powder</title><description>According to the calcium carbonate powder dispersibility evaluation method provided by the invention, the calcium carbonate powder and the carrier resin are mixed and then are directly subjected to film blowing molding to obtain the film, and the crystal point effect on the film is observed; 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a qualified calcium carbonate powder sample A applied by downstream customers and an unused and to-be-evaluated calcium carbonate powder sample B are respectively taken and mixed with carrier resin, then films are respectively blown to obtain a film A and a film B, and then the distribution conditions of crystal points on the film A and the film B are respectively compared to evaluate the dispersibility of the calcium carbonate powder sample B, if the crystal points on the film B are less than the crystal points on the film A, the dispersibility of the calcium carbonate powder to be evaluated is better, otherwise, the dispersibility of the calcium carbonate powder to be evaluated is poorer, and the method is a direct film</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Method for evaluating dispersibility of calcium carbonate powder |
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