ADDITIVE USED IN POLYMER AND PREPARATION METHOD THEREOF

• Main Authors: CHAI, SHENGYONG, XIA, SHIYONG, WANG, PENG, KONG, LEI, LI, JIDE, CHEN, LIN, LU, CHANGLI
• Format: Patent
• Language: Chinese; English; French
• Published: 09.07.2015
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

Disclosed is an additive used in a polymer, comprising: A: a phosphinate containing two substituent groups and having the structural formula (I), wherein R1 and R2 are the same or different, being represented as H, and C1-C6 alkyl or C6-C18 aryl; M is Mg, Ca, Al, Zn, or Fe; m is 2-3; B: chloride, the content of chlorine being 50-900 ppm by weight of the total additive. The additive can be obtained by adding the chloride in the process of preparing the phosphinate containing two substituent groups, or to the end product, with a simple process and low production costs. The prepared phosphinate with a trace amount of chlorine and containing two substituent groups is applied to a flame retardant polymer to obtain a polymer with excellent whiteness and good flame retardant property. L'invention concerne un additif utilisé dans un polymère, comprenant : A : un phosphinate contenant deux groupes substituants et ayant la formule développée (I), dans laquelle R1 et R2 sont identiques ou différents, étant représentés p