Polymer compositions containing aliphatic esters as plasticisers
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United States of America Patent
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Nov 24, 2020
Grant Date -
Dec 1, 2016
app pub date -
Jan 9, 2015
filing date -
Jan 13, 2014
priority date (Note) -
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Abstract
Disclosed is the use of a composition of aliphatic esters having the following general formula: R1—O—C(O)—R4—C(O)—[—O—R2—O—C(O)—R5—C(O)—]m—O—R3, in which: R1 is selected from one or more of the groups consisting of H, linear and branched saturated and unsaturated alkyl residues of the C1-C24 type, and polyol residues esterified with C1-C24 monocarboxylic acids; R2 comprises —CH2—C(CH3)2—CH2— and C2-C8 alkylene groups, and comprises at least 50% in moles of the said —CH2—C(CH3)2—CH2— groups; R3 is selected from one or more of the groups consisting of H, linear and branched saturated and unsaturated alkyl residues of the C1-C24 type, and polyol residues esterified with C1-C24 monocarboxylic acids; R4 and R5 comprise one or more C2-C22 alkylenes and comprise at least 50% in moles of C7 alkylenes; and m lies between 1 and 20, as plasticizers for polymer compositions, for example, vinyl polymers of the polyvinyl chloride (PVC) type, thermoplastic elastomers, and hydroxy acid polyesters, for example polyesters of lactic acid.
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