Patent classifications
C07C69/34
COMPOSITION AND SYNTHESIS OF HIGH MOLECULAR WEIGHT AROMATIC POLYOL POLYESTERS
A polyester demulsifier and method of synthesizing said polyester demulsifier including the step of reacting a mixture of polyol and aromatic di-acid, the aromatic di-acid solubilized into said polyol without sublimation or degradation during the reaction process.
COMPOSITION AND SYNTHESIS OF HIGH MOLECULAR WEIGHT AROMATIC POLYOL POLYESTERS
A polyester demulsifier and method of synthesizing said polyester demulsifier including the step of reacting a mixture of polyol and aromatic di-acid, the aromatic di-acid solubilized into said polyol without sublimation or degradation during the reaction process.
Non-phthalic plasticiser
The present invention refers to a method for producing a low-emitting plasticised polyvinylchloride composition, having a fusion time of less than 5.50 s and a volatility of less than 10% weight loss, by mixing pentaerythritol tetravalerate with a polyvinylchloride composition, the fusion time being measured according to DIN 54 802 and ISO/DIS 4574 and the volatility being measured according to ISO 176 Method A. In a further aspect the present invention refers to a thermoplastic article suitable for use in environments where the article is exposed to heat, wherein the thermoplastic article is based on a plasticized polyvinylchloride composition produced by the method of the present invention.
Non-phthalic plasticiser
The present invention refers to a method for producing a low-emitting plasticised polyvinylchloride composition, having a fusion time of less than 5.50 s and a volatility of less than 10% weight loss, by mixing pentaerythritol tetravalerate with a polyvinylchloride composition, the fusion time being measured according to DIN 54 802 and ISO/DIS 4574 and the volatility being measured according to ISO 176 Method A. In a further aspect the present invention refers to a thermoplastic article suitable for use in environments where the article is exposed to heat, wherein the thermoplastic article is based on a plasticized polyvinylchloride composition produced by the method of the present invention.
Coalescing agent derived from succinate ester
The present invention relates to a coalescing agent and a coating composition containing the coalescing agent as represented in structure (I); ##STR00001##
wherein; n is integer from 1 to 8; R.sup.1 and R.sup.2 independently represents group selected from alkyl, alkenyl, alkynyl, phenyl, or benzyl groups; and X represents group selected from hydroxy or amine. The coalescing agent according to this invention contains low amount of volatile organic compounds, has no pungent odour, and environmental friendly. Moreover, it provides good efficacy when being used as coating component.
Coalescing agent derived from succinate ester
The present invention relates to a coalescing agent and a coating composition containing the coalescing agent as represented in structure (I); ##STR00001##
wherein; n is integer from 1 to 8; R.sup.1 and R.sup.2 independently represents group selected from alkyl, alkenyl, alkynyl, phenyl, or benzyl groups; and X represents group selected from hydroxy or amine. The coalescing agent according to this invention contains low amount of volatile organic compounds, has no pungent odour, and environmental friendly. Moreover, it provides good efficacy when being used as coating component.
ACETYLATED LACTIDE OLIGOMER-BASED PLASTICIZER, METHOD OF PREPARING SAME AND PLA RESIN COMPOSITION CONTAINING SAME
Disclosed herein is an acetylated lactide oligomer-based plasticizer and a method of preparing the same having improved thermal stability, enhanced plasticity and excellent compatibility with a resin, the method, including: (a) synthesizing a lactide oligomer through ring-opening polymerization (ROP) of an initiator and lactide; (b) putting acetic anhydride into the lactide oligomer and performing acetylation; and (c) removing acetic acid generated in step (b) and unreacted acetic anhydride
ACETYLATED LACTIDE OLIGOMER-BASED PLASTICIZER, METHOD OF PREPARING SAME AND PLA RESIN COMPOSITION CONTAINING SAME
Disclosed herein is an acetylated lactide oligomer-based plasticizer and a method of preparing the same having improved thermal stability, enhanced plasticity and excellent compatibility with a resin, the method, including: (a) synthesizing a lactide oligomer through ring-opening polymerization (ROP) of an initiator and lactide; (b) putting acetic anhydride into the lactide oligomer and performing acetylation; and (c) removing acetic acid generated in step (b) and unreacted acetic anhydride
Intermediate compound for manufacturing bixin ethyl ester and method of manufacturing the same
The present invention relates to a method of manufacturing norbixin or bixin ethyl ester, which is a carotenoid-based compound, from a novel intermediate compound. When the novel intermediate compound is used, it is possible to manufacture norbixin or bixin ethyl ester in high yield through a simple process.
Intermediate compound for manufacturing bixin ethyl ester and method of manufacturing the same
The present invention relates to a method of manufacturing norbixin or bixin ethyl ester, which is a carotenoid-based compound, from a novel intermediate compound. When the novel intermediate compound is used, it is possible to manufacture norbixin or bixin ethyl ester in high yield through a simple process.