Terylene polishing fiber and production method thereof
A production method and technology of polishing wire, applied in the field of polishing, can solve the problems of poor heat dissipation, difficult handling, and short service life, etc., and achieve good heat dissipation effect, long service life and remarkable effect
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[0024] Below in conjunction with embodiment the present invention will be further described.
[0025] Brown corundum fine powder, polyethylene terephthalate (PET), and 0.3% calcium stearate are mixed in proportions of 5%, 94.7%, and 0.3% calcium stearate. Its production steps are as follows:
[0026] The first step, (1) Polyethylene terephthalate (PET) 94.7%, dried at 140 degrees Celsius under vacuum conditions;
[0027] In the second step, maintain a temperature of 140 degrees Celsius, add 0.3% calcium stearate under normal pressure, and mix well;
[0028] In the third step, add 5% brown corundum powder and mix well;
[0029] In the fourth step, the mixture is melted and extruded by a screw, and then sprayed out through a spinneret for spinning and winding to obtain as-spun filaments;
[0030] In the fifth step, after balancing, stretching, crimping, relaxation and heat setting are performed to obtain polyester polished fiber filaments.
[0031] Brown corundum micropowde...
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