Multifunctional PET (Polyethylene terephthalate) bright master batch
A bright masterbatch and multi-functional technology, applied in the field of masterbatch, can solve the problems of nylon silk such as good brightness, high elongation at break, and high dyeing strength, and achieve the effects of low processing temperature, increased melt index, and reduced degradation
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Embodiment 1
[0027] First, 89.5% of polyethylene terephthalate powder with an intrinsic viscosity of 0.82-0.83dl / g, 10% of purified isophthalic acid with a purity greater than 98%, and 0.5% of engineering plastics with bright Lubricant, the preferred bright lubricant for engineering plastics produced by Suzhou Xingtai Photochemical Auxiliary Co., Ltd. is made of PET multifunctional bright masterbatch.
[0028] Used in the preparation of plastics, take the preparation of a reinforced PET as an example, which is composed of the following raw materials in weight percentage: PET resin contains 68.7%, alkali-free glass fiber contains 30%, composite antioxidant contains 0.3%, PET multi-functional The bright masterbatch contains 1%, the PET resin mentioned is PET (WK801) produced by Zhejiang Wankai New Material Co., Ltd., the alkali-free glass fiber is 988A produced by Tongxiang Jushi Group, and the composite antioxidant is Shanghai Senior Chemical ST-1096 manufactured by Technology Co., Ltd.
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Embodiment 2
[0032] First, 89.5% of polyethylene terephthalate powder with an intrinsic viscosity of 0.82-0.83dl / g, 10% of purified isophthalic acid with a purity greater than 98%, and 0.5% of engineering plastics are lubricated As an additive, the bright lubricant for engineering plastics produced by Suzhou Xingtai Photochemical Auxiliary Co., Ltd. is preferred to obtain PET multifunctional bright lubricant.
[0033] It is used in the preparation of commonly used cationic polyester yarns. Taking the preparation of a cationic polyester yarn as an example, it is composed of the following raw materials in weight percentage: PET resin: 93%, PET multi-functional bright masterbatch: 5%, PET color masterbatch : 2%, wherein the PET resin is PET (WK801) of Zhejiang Wankai New Material Co., Ltd.
[0034] The preparation method of the cationic polyester yarn is as follows: first mix PET resin, PET multifunctional bright masterbatch, and PET color masterbatch according to the above ratio to remove...
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