A kind of multi-functional finishing agent for dyeing polyester fiber materials with resistance to reduction and cleaning in the same bath and its preparation method
A polyester fiber, multi-functional technology, applied in fiber treatment, fiber type, textiles and papermaking, etc., can solve the problems of poor dyeing reproducibility, complicated dyeing process, insufficient refining, etc., to reduce dyeing cost and simplify dyeing process , the effect that the quality is easier to control
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Embodiment 1
[0018] 1) Weigh 1000 grams of polyethylene glycol (molecular weight 1000), 180 grams of ethylene glycol, 200 grams of dimethyl phthalate, 120 grams of adipic acid, 70 grams of diethyl oxalate, polytetramethylene ether 800 grams of diol (PTMG molecular weight 1000), 3 grams of zinc acetate;
[0019] 2) Put the above materials into the reaction kettle, raise the temperature to 140°C and keep it for 190 minutes, continue to raise the temperature to 220°C and keep it for 70 minutes, then carry out the polymerization reaction at a vacuum degree of -0.08MPa and a temperature of 230°C to generate a number average molecular weight of 5000~ 6000 block copolymer of polyester polyether, after cooling down to 190 ℃, discharge; after cooling, the product is ready.
Embodiment 2
[0021] l) Weigh 1000 grams of polyethylene glycol (molecular weight 800), 200 grams of ethylene glycol, 180 grams of dimethyl phthalate, 120 grams of sebacic acid, 80 g of dimethyl oxalate, polytetramethylene ether two Alcohol (PTMG molecular weight 400) 800, 3 grams of zinc acetate;
[0022] 2) Put the above materials into the reaction kettle, raise the temperature to 150°C and keep it for 160 minutes, continue to raise the temperature to 210°C and keep it for 60 minutes, then carry out the polymerization reaction at a vacuum degree of -0.08MPa and a temperature of 240°C to generate a number average molecular weight of 8000~ 9000 block copolymer of polyester polyether, after cooling down to 200 ℃, discharge; after cooling, the product is ready.
Embodiment 3
[0024] l) Weigh 900 grams of polyethylene glycol (molecular weight 4000), 180 grams of ethylene glycol, 180 grams of dimethyl phthalate, 120 grams of fumaric acid, 80 g of diethyl oxalate, polytetramethylene ether two Alcohol (PTMG molecular weight 2000) 800, 3 grams of zinc acetate;
[0025] 2) Put the above materials into the reaction kettle, raise the temperature to 180°C and keep it for 180 minutes, continue to raise the temperature to 210°C and keep it for 60 minutes, then carry out the polymerization reaction at a vacuum degree of -0.09MPa and a temperature of 280°C to generate a number average molecular weight of 14000~ 15000 block copolymer of polyester polyether, after cooling down to 200 ℃, discharge; after cooling, the product is ready.
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