Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Lactic acid polyol ester, its preparation method and its application in the processing of halogenated vinyl polymers

A technology of polyol ester and vinyl halide, which is applied in the field of lactic acid polyol ester and its preparation, can solve the problems of poor compatibility of polyvinyl chloride, easy precipitation of pentaerythritol, and high cost, and achieve good compatibility, low price, and low cost. low effect

Active Publication Date: 2020-02-07
济南金昌树新材料科技有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, some people add single and double pentaerythritol to the heat stabilizer to inhibit zinc burning. Although the effect is remarkable, the application is limited due to the easy precipitation and sublimation of pentaerythritol, high melting point, high cost, and poor compatibility with polyvinyl chloride.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Lactic acid polyol ester, its preparation method and its application in the processing of halogenated vinyl polymers
  • Lactic acid polyol ester, its preparation method and its application in the processing of halogenated vinyl polymers
  • Lactic acid polyol ester, its preparation method and its application in the processing of halogenated vinyl polymers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Add monopentaerythritol and lactic acid into a four-neck flask at a molar ratio of 1:1, and react at 160°C under temperature control until no water vapor overflows, then add 0.75% of the lactic acid mass as a tetrabutyl titanate catalyst, and continue the reaction until anhydrous , and then pumped negative pressure for 30 minutes, poured out and cooled to obtain solid sample 1. The structural formula of sample 1 is shown in formula I, n=0.

Embodiment 2

[0054]Add monopentaerythritol and lactic acid into a four-neck flask according to the molar ratio of 1:1.2, and control the temperature at 180°C until no water vapor overflows, add 0.5% of the lactic acid mass as a tetrabutyl titanate catalyst, and continue the reaction until anhydrous, The negative pressure was pumped for another 30 minutes, poured out and cooled to obtain solid sample 2. The structural formula of sample 2 is shown in formula I, n=0.

Embodiment 3

[0056] Add monopentaerythritol and lactic acid into a four-necked flask at a molar ratio of 1:1.5, and control the temperature at 200°C until no water vapor overflows, add 1% tetrabutyl titanate catalyst of the mass of lactic acid, and continue the reaction until anhydrous , and pumped negative pressure for 30 minutes, poured out and cooled to obtain solid sample 3. The structural formula of sample 3 is shown in formula I, n=0.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses lactic acid polyol esters, a preparation method of the lactic acid polyol esters and application of the lactic acid polyol esters in processing halogenated vinyl polymers. The lactic acid polyol esters are prepared by carrying out esterification on polyols or a mixture of polyols and lactic acid in the presence of a catalyst. The product of the invention is good in compatibility with the halogenated vinyl polymers, especially PVC and not easy to precipitate, and has a very good function of assisting to improve the processing thermal stability of the halogenated vinyl polymers (especially PVC), and further can inhibit or reduce the 'zinc burning phenomenon' of a zinc containing heat stabilizer, and has very good application prospects in the processing field of the halogenated vinyl polymers, especially PVC.

Description

technical field [0001] The invention relates to a polyol lactic acid ester and its preparation method and application, in particular to a polyol lactic acid ester and its preparation method and its new application in the processing of halogenated vinyl polymers. Background technique [0002] Since the 1930s, after the breakthrough of practical chemical industry, the use of polyvinyl chloride began to increase rapidly. Due to the self-structure of polyvinyl chloride: during processing, PVC will degrade at high temperature, by removing unstable chlorine atoms, hydrogen chloride is generated and a double bond is formed, and the generated double bond makes the adjacent secondary chlorine form an alkene Propyl chloride, making it more unstable, as a result it is also removed in the form of hydrogen chloride, forming a sequence with two conjugated double bonds. By analogy, polyene sequences are generated, accompanied by the release of a large amount of hydrogen chloride gas. And...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C07C67/08C07C69/68C08L27/06C08K5/103C08K13/02C08K5/098
CPCC07C67/08C07C69/68C08K5/098C08K5/103C08K13/02C08K2201/014C08L2201/08C08L27/06
Inventor 潘奇伟屈勇
Owner 济南金昌树新材料科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com