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US 10,208,057 B2Granted
Nucleator composition comprising sorbitol acetal, sorbitol diacetal and sorbitol triacetal
AssigneeGCH Technology Co., Ltd.
InventorWenlin Zhao
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Abstract
The present invention provides a nucleator composition comprising sorbitol acetal, sorbitol diacetal, and sorbitol triacetal. The nucleator composition can improve the nucleation performance of a polymer, increase transparency, glossiness, flexural modulus and tensile strength of polymer films, polymer sheets and polymer molding articles, and increase heat distortion temperature and dimensional stability of polymer articles.
Claims29
A nucleator composition, comprising a compound represented by formula (I), a compound represented by formula (II), a compound represented by formula (III), and a compound represented by formula (IV),
- wherein each of the n in formulae (I), (II), (III) and (IV) is independently 1 or 2;
- each of the R in formulae (I), (II), (III) and (IV) is independently selected from C1-C8 alkyl, C1-C4 alkoxy, carboxy, hydroxyl, halogen, and C1-C6 alkylthio;
- and the ratio of the weight of the compound represented by formula (I), the weight of the compound represented by formula (II), and the combined weight of the compounds represented by formula (III) and formula (IV) is (97.00-99.90):(0.20-8.00):(0.02-1.00).
Dependencies are inferred from the claim text.