PET auxiliary agent, synthetic method thereof and application of PET auxiliary agent in improvement of mechanical properties of recycled PET
A synthesis method and additive technology, applied in the field of polymer materials, can solve the problems of easy embrittlement, insufficient mechanical properties, no high-performance full recovery, etc., and achieve the effect of improving crystallization ability and compatibility
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[0030] The following will further describe in detail through specific embodiments, but the embodiments of the present invention are not limited thereto. Unless otherwise specified, the technical means used in the following embodiments are conventional means well-known to those skilled in the art; the experimental methods used are conventional methods; the materials and reagents used, etc., can be obtained from commercial sources.
[0031] A PET auxiliary agent, synthesized by the reaction of 1,3,2,4-dibenzylidene sorbitol and long carbon chain montan wax acid (light yellow flakes, Germany Vorka) under the catalysis of 4-dimethylaminopyridine, PET The molecular structure of the auxiliary agent is as in formula (I), and the value of n in formula (I) ranges from 2 to 3. Montan wax is a waxy substance obtained from lignite extracted by organic solvents such as benzene and toluene, also known as montan wax. Its main components are long-chain fatty ceric acid (ie long-carbon chain ...
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