Production method of high-welding-performance expandable polystyrene (EPS)
A technology of expandable polystyrene and its production method, which is applied in the field of polystyrene production and processing, can solve the problems of poor fracture bending load performance, bending deformation performance, and poor fusion, and achieve fracture bending load performance and bending deformation performance Improve and improve the effect of fusion
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[0018] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0019] The invention discloses a method for producing expandable polystyrene with high sintering performance. The specific steps are as follows:
[0020] 1) Add 100 parts of styrene, 0.2--0.4 parts of DCP, 0.5--0.7 parts of flame retardant, 0.15--0.3 parts of white oil, 0.05--0.1 parts of dodecylbenzenesulfonate Sodium acid, add in the reaction kettle respectively, stir 10--20 minutes;
[0021] 2) Then add 100--110 parts of pure water, 0.00001--0.00004 parts of trisodium phosphate, 0.08--0.12 parts of active calcium phosphate, 0.002--0.004 parts of emulsifier SDBS, and Yuanming powder 0.4--0.6 copies;
[0022] 3) Then add 0.3--0.45 parts of low-temperature initiator, 0.2--0.5 parts of high-temperature initiator, 0.001--0.005 parts of other initi...
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