Halogen-free, flame-retardant and antistatic master batch for modifying polybutylene telephthalate
A polybutylene terephthalate, flame retardant and antistatic technology, applied in the field of halogen-free flame retardant and antistatic masterbatch, can solve the problems of difficult mixing, easy generation of static electricity, limited use, etc., and achieve good resistance Combustibility and antistatic modification effects, clean production improvement, and simplified production process
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Embodiment 1
[0018] A halogen-free flame-retardant antistatic masterbatch of modified polybutylene terephthalate. Compound of 20% propenyl phosphate, 15% polybutylene terephthalate, 3% polyethylene wax, 1% silane coupling agent, hindered phenol antioxidant 1076 and phosphite antioxidant 168 1%.
[0019] Preparation method: (1) weigh each component according to the weight ratio for use; (2) mix N-methylol propionamide methyl phosphonate, alkyl propylene phosphoric acid, polybutylene terephthalate Alcohol ester, polyethylene wax, silane coupling agent and the compound of hindered phenol antioxidant 1076 and phosphite antioxidant 168 are added to the high-speed mixer and mixed thoroughly for 3 to 10 minutes; (3) the above mixture Add a twin-screw extruder to extrude and granulate, dry and package to obtain a halogen-free flame-retardant antistatic masterbatch of modified polybutylene terephthalate.
Embodiment 2
[0021] A halogen-free flame-retardant antistatic masterbatch of modified polybutylene terephthalate. Hydroxyethyl) octylmethyl ammonium bis-p-toluenesulfonate 30%, polybutylene terephthalate 12%, polypropylene wax 4%, titanate coupling agent 2%, hindered phenol antioxidant 1076 Compound with phosphite antioxidant 168 2%.
[0022] Preparation method: (1) Weigh each component according to the weight ratio for use; (2) Dimethyl methylphosphonate (DMMP), bis(2-hydroxyethyl)octylmethyl bis-p-toluenesulfonate Add ammonium acid, polybutylene terephthalate, polypropylene wax, titanate coupling agent, hindered phenol antioxidant 1076 and phosphite antioxidant 168 into the high-speed mixer, fully Mix for 3 to 10 minutes; (3) Add the above mixture to a twin-screw extruder to extrude and granulate, then dry and pack to obtain a halogen-free flame-retardant Static masterbatch.
Embodiment 3
[0024] A halogen-free flame-retardant antistatic masterbatch of modified polybutylene terephthalate. GMS) 10%, polybutylene terephthalate 10%, EVA wax 3%, aluminate coupling agent 1%, hindered phenol antioxidant 1076 and phosphite antioxidant 168 compound 1 %.
[0025] Preparation method: (1) weigh each component according to the weight ratio for use; (2) mix cresyl diphenyl phosphate, glyceryl monostearate (GMS), polybutylene terephthalate , EVA wax, aluminate coupling agent and the compound of hindered phenol antioxidant 1076 and phosphite antioxidant 168 are added to the high-speed mixer and mixed thoroughly for 3 to 10 minutes; (3) Add the above mixture After being extruded and granulated by a twin-screw extruder, it is dried and packaged to obtain a halogen-free flame-retardant antistatic masterbatch of modified polybutylene terephthalate.
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