CN102993429A - Preparation method for polyester fiber modifying agent - Google Patents

Abstract

The invention relates to a preparation method for a polyester fiber modifying agent. The preparation method comprises the following steps: 1), weighing the needed components in parts by weight: 2), adding polyethylene glycol, ethylene glycol and double-terminated hydroxyl polyether to a reaction kettle, heating the mixture and starting vacuum-pumping, so that the vacuum degree in the kettle reaches -0.90 to -0.095 MPa; continuing heating the mixture to 50 DEG C to 90 DEG C until being completely dehydrated; vacuum-pumping and heating the mixture to 90 DEG C to 120 DEG C, adding dimethyl terephthalate, double-terminated polyether organosilicone and a catalyst to the reaction kettle, and continuing heating the mixture to 150 DEG C to 190 DEG C; pressing esterified materials in the reaction kettle to a polymeric kettle, polymerizing under the catalysis of ester metal salt at the vacuum degree of -0.08 MPa to -0.1 MPa at the temperature of 200 DEG C to 300 DEG C to generate a ternary co-polymer; and cooling the ternary co-polymer to obtain the needed modifying agent product. The modifying agent has the advantages that the modifying agent provided by the invention can modify polyester fiber, so that comfort of fabric made of the modified polyester fiber is greatly improved.

Description

The preparation method of trevira properties-correcting agent

Technical field

The present invention relates to a kind of preparation method of trevira properties-correcting agent.

Background technology

As everybody knows, the moisture absorbing and sweat releasing performance of trevira, antistatic property, easily detergency ability, fluffy flexibility are all relatively poor.For improving the trevira performance, take aminosilicone emulsifier as main auxiliary agent, but aminosilicone emulsifier only can improve trevira on feel, easily a static, easy pickup can not improve to some extent to it, therefore, the textiles that forms take trevira as materials processing in the market exist serviceability relatively poor, easily play static, the easy shortcoming of pickup, the health of human body is caused certain harm.

Summary of the invention

The object of the invention is to address the above problem and provide a kind of preparation method of trevira properties-correcting agent, the properties-correcting agent that produces to be used for trevira is carried out modification, make it to have good healthy comfortableness.

The present invention solves the technical scheme that the prior art problem adopts: the preparation method of trevira properties-correcting agent the steps include:

1) takes by weighing the each component of required weight part: with the each component of parts by weight metering: 60 ~ 80 parts of polyoxyethylene glycol, 25 ~ 35 parts of ethylene glycol, 20 ~ 30 parts of two end hydroxy polyethers, 15 ~ 75 parts of dimethyl terephthalate (DMT), 1 ~ 50 part of two ends polyethers organosilicon and as 0.2 ~ 1 part of the ester acid metal salt of catalyzer;

2) in reactor, drop into polyoxyethylene glycol, ethylene glycol and two end hydroxy polyethers, and reactor heated, when rising to 55 ~ 59 ℃, temperature begins to vacuumize, make vacuum tightness in the still reach-0.090 ~-0.095MPa, then continue to be warming up to 59～90 ℃, complete to dehydration, emptyingly be warming up to 90 ~ 120 ℃, with dimethyl terephthalate (DMT), two ends polyethers organosilicon and catalyzer drop in the reactor, continue to be warming up to 150 ~ 190 ℃, after the abundant esterification of material in the reactor, the material after the esterification in the reactor is pressed in the polymeric kettle, be-0.08 in vacuum tightness ~-0.1MPa and temperature are under 200 ~ 300 ℃ the condition, and polymerization under the catalysis of ester acid metal salt, generate molecular weight and be 1000 ~ 50000 polyester and polyether/organosilicon terpolymer, then be cooled to 100 ~ 160 ℃ after blowing, obtain required properties-correcting agent finished product.

The invention has the beneficial effects as follows: properties-correcting agent of the present invention can carry out modification to trevira, make trevira after the modification have good feel (fluffy, soft, level and smooth), antistatic property, easily detergency ability, washing fastness, thereby greatly improved the comfortableness of using the fabric that the trevira after the modification makes.

Embodiment

The present invention is further illustrated with regard to embodiment for the below.

Embodiment: the preparation method of trevira properties-correcting agent the steps include:

1) takes by weighing the each component of required weight part: with the each component of parts by weight metering: 60 ~ 80 parts of polyoxyethylene glycol, 25 ~ 35 parts of ethylene glycol, 20 ~ 30 parts of two end hydroxy polyethers, 15 ~ 75 parts of dimethyl terephthalate (DMT), 1 ~ 50 part of two ends polyethers organosilicon and as 0.2 ~ 1 part of the ester acid metal salt of catalyzer;

2) in reactor, drop into polyoxyethylene glycol, ethylene glycol and two end hydroxy polyethers, and reactor heated, when rising to 55 ~ 59 ℃, temperature begins to vacuumize, make vacuum tightness in the still reach-0.090 ~-0.095MPa, then continue to be warming up to 59 ~ 90 ℃, complete to dehydration, emptyingly be warming up to 90 ~ 120 ℃, with dimethyl terephthalate (DMT), two ends polyethers organosilicon and catalyzer drop in the reactor, continue to be warming up to 150 ~ 190 ℃, after the abundant esterification of material in the reactor, the material after the esterification in the reactor is pressed in the polymeric kettle, be-0.08 in vacuum tightness ~-0.1MPa and temperature are under 200 ~ 300 ℃ the condition, and polymerization under the catalysis of ester acid metal salt, generate molecular weight and be 1000 ~ 50000 polyester and polyether/organosilicon terpolymer, then be cooled to 100 ~ 160 ℃ after blowing, obtain required properties-correcting agent finished product.

Corresponding above-mentioned each component between each digital block in any value, the mixture that is combined to form all is feasible, any value in each temperature range that relates in above-mentioned manufacturing procedure or the pressure interval also can be finished the preparation requirement that needs.

Several typically used that the below will provide top described properties-correcting agent to be used for the trevira modification make the trevira after the modification have many premium propertiess:

The first: as the application of fluffy finishing composition: contain part by weight in the fluffy finishing composition and be 5 ~ 10% properties-correcting agent, surplus is water.

The second: as the application of level and smooth hydrophilic finishing agent: contain part by weight in the described level and smooth hydrophilic finishing agent and be 5 ~ 10% properties-correcting agent, surplus is water.Can make the trevira fluffy softness not only after the modification, and have level and smooth sense and do not lose again wetting ability.

The third: as the application of durable antistatic agent: contain part by weight in the described durable antistatic agent and be 5 ~ 10% properties-correcting agent and part by weight and be 20 ~ 50% quaternary ammonium salts polymkeric substance, surplus is water.Can make trevira after the modification not only have fluffy flexibility, simultaneously can also be antistatic.Described quaternary ammonium salts polymkeric substance is alkyl tertiary amine muriate or alkyl tertiary amine nitrate.

The 4th kind: as the application of soil-releasing finishing agent: it is that 5 ~ 10% properties-correcting agent and part by weight are 2 ~ 5% glycerine or ethylene glycol or fluorine resin that soil-releasing finishing agent contains part by weight, and surplus is water.Can make the trevira after the modification not only have fluffy flexibility, can also strengthen soil removability simultaneously.

The 5th kind: as the application of anti wrinkling agent in bathing: to contain part by weight be that 5 ~ 10% properties-correcting agent and part by weight are 0.5 ~ 3% the cruel limb of polypropylene to anti wrinkling agent in the bath, and surplus is water.Can make trevira after the modification not only have fluffy flexibility, simultaneously can also be crease-resistant.

The 6th kind: as the application of hydrophilic wrinkle resistant high temperature levelling agent: in hydrophilic wrinkle resistant high temperature levelling agent, contain part by weight and be 3 ~ 20% properties-correcting agent.Can make the poly-intoxicated fiber after the modification not only have fluffy flexibility, can also improve dyeing quality simultaneously.

The above is the preferred embodiments of the present invention only, is not limited to the present invention.In the above-described embodiments, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (1)

1. the preparation method of trevira properties-correcting agent the steps include:

1) takes by weighing the each component of required weight part: with the each component of parts by weight metering: 60 ~ 80 parts of polyoxyethylene glycol, 25 ~ 35 parts of ethylene glycol, 20 ~ 30 parts of two end hydroxy polyethers, 15 ~ 75 parts of dimethyl terephthalate (DMT), 1 ~ 50 part of two ends polyethers organosilicon and as 0.2 ~ 1 part of the acetic acid metal-salt of catalyzer;

2) in reactor, drop into polyoxyethylene glycol, ethylene glycol and two end hydroxy polyethers, and reactor heated, when rising to 55 ~ 59 ℃, temperature begins to vacuumize, make vacuum tightness in the still reach-0.090 ~-0.095MPa, then continue to be warming up to 59 ~ 90 ℃, complete to dehydration, emptyingly be warming up to 90 ~ 120 ℃, with dimethyl terephthalate (DMT), two ends polyethers organosilicon and catalyzer drop in the reactor, continue to be warming up to 150 ~ 190 ℃, after the abundant esterification of material in the reactor, the material after the esterification in the reactor is pressed in the polymeric kettle, be-0.08 in vacuum tightness ~-0.1MPa and temperature are under 200 ~ 300 ℃ the condition, and polymerization under the catalysis of ester acid metal salt, generate molecular weight and be 1000 ~ 50000 polyester and polyether/organosilicon terpolymer, then be cooled to 100 ~ 160 ℃ after blowing, obtain required properties-correcting agent finished product.