EB-cured textile sizing agent and preparation method and application thereof

Abstract

The invention discloses an EB-cured textile sizing agent. The EB-cured textile sizing agent is prepared from the following raw materials in parts by weight: 10-20 parts of EB-cured resin, 70-80 partsof a reactive diluent, 1 part of a functional auxiliary agent and 4-7 parts of functional filler. The EB-cured resin is urethane acrylate and carboxyl-containing acrylate, and the reactive diluent isa combination of PO3-TMPTA or GPTA and PEG(200)DA or TTEGDA. The invention further discloses application of the EB-cured textile sizing agent in yarn sizing. The urethane acrylate improves the high-speed curing performance and good strength and wear resistance after film formation, the carboxyl-containing acrylate improves the good adhesive force and alkali solubility (easy desizing) after film formation, the reactive diluent is high in activity and good in flexibility, under irradiation of EB, the drying speed of the yarn sizing agent is remarkably increased, energy is saved, and the EB-curedtextile sizing agent is suitable for high-speed automatic production without pollution.

Description

technical field

[0001] The invention belongs to the field of textile pulp, and relates to an electron beam (EB) solidified textile pulp and its preparation method and application, in particular to an EB for textile yarn based on polyurethane acrylate (PUA) and carboxyl-containing acrylate Curing slurry and its preparation method and application. Background technique

[0002] In textile processing, warp sizing must be done before the yarn is woven into cloth. The sizing can give the warp a smooth surface, improve its strength and wear resistance, and the warp sizing improves the weavability of the yarn, so that the yarn can Less broken heads, no hair.

[0003] At present, the traditional thermal sizing process is usually used for yarn sizing. This process consumes a lot of energy. The heat energy consumed by sizing accounts for 50% of the heat energy consumption of cotton textile mills. The air consumption in the sizing process is the main factor of sizing cost. Yarn therma...

Examples

Embodiment 1

[0071] In the 6L autoclave, drop into 1340 grams of 2,2-dimethylol propionic acid (C 5 h 10 o 4 , molecular weight 134), 40 gram sodium formate, be warming up to 155 ℃, start to drop 2200 gram oxirane (C 2 h 4 O, molecular weight 44) to react, temperature control 155 ℃ ~ 165 ℃, pressure 0.10 ~ 0.40MPa, dropwise for 3 ~ 4 hours, after dropping, 155 ℃ ~ 165 ℃ for 2 ~ 3 hours, then cooled to below 80 ℃, Discharging gets crude product; Crude product adds 40 gram activated clays and stirs for 30 minutes, obtains 3469.2 grams of clear and transparent trihydroxy polyether esters (C 15 h 30 o 9 , molecular weight 354), the structure is shown in the following formula, wherein: n=2, a+b+c=5.

[0072] R=H.

[0073] In the 3000mL four-necked flask, drop into 177 grams of trihydroxy polyether ester (C 15 h 30 o 9 , molecular weight 354), 333 grams (1.5mol) IPDI, 0.2 gram catalyst dibutyltin dilaurate, be warming up to 60 ℃~65 ℃ and stir insulation reaction 2~3 hours, then add 1...

Embodiment 2

[0081] 1000 grams of succinic anhydride, 15 grams of benzyltriethylammonium chloride, 1.5 grams of p-hydroxyanisole, and 3457 grams of trimethylolpropane diacrylate (molecular formula: C 12 h 18 o 5 , molecular weight 242, diester content by 70%), start stirring, heat up to 70°C, keep warm for 1 hour, then heat up to 80°C for 1 hour, then heat up to 100°C for 3 hours, react until the acid value is constant, and then After cooling to below 50°C, a bifunctional acrylate with a carboxyl group having the structure shown in formula IV is obtained.

[0082]

Embodiment 3

[0084] In the 3000L reactor, drop into 80 kilograms of toluene, 500 kilograms of cyclohexane, propoxylated trimethylolpropane (C 15 h 32 o 6, molecular weight 308) 720 kilograms, 564 kilograms of acrylic acid, 7 kilograms of hydroxyanisole, 4.6 kilograms of hypophosphorous acid, 34.8 kilograms of methanesulfonic acid; Stirring is started, and compressed air is continuously introduced into the kettle through the distributor at the bottom of the kettle, and the temperature is raised to 80~ Start reflux dehydration at 86°C, esterification reaction for 10-12 hours, kettle temperature 88-92°C, when the reflux dehydration until no water comes out, the acid value is 30-35mgKOH / g, the reaction is over, cool to room temperature; add 38.2 kg Caustic soda and 95.5 kg of water, stirred for 30 minutes; 11.5 kg of magnesium polysilicate was added, stirred and adsorbed for 30 minutes; then the water and solvent were distilled under reduced pressure at 50-95 ° C under a vacuum degree of -0.0...

technical field

[0001] The invention belongs to the field of textile pulp, and relates to an electron beam (EB) solidified textile pulp and its preparation method and application, in particular to an EB for textile yarn based on polyurethane acrylate (PUA) and carboxyl-containing acrylate Curing slurry and its preparation method and application. Background technique

[0002] In textile processing, warp sizing must be done before the yarn is woven into cloth. The sizing can give the warp a smooth surface, improve its strength and wear resistance, and the warp sizing improves the weavability of the yarn, so that the yarn can Less broken heads, no hair.

[0003] At present, the traditional thermal sizing process is usually used for yarn sizing. This process consumes a lot of energy. The heat energy consumed by sizing accounts for 50% of the heat energy consumption of cotton textile mills. The air consumption in the sizing process is the main factor of sizing cost. Yarn therma...

Examples

Embodiment 1

[0071] In the 6L autoclave, drop into 1340 grams of 2,2-dimethylol propionic acid (C 5 h 10 o 4 , molecular weight 134), 40 gram sodium formate, be warming up to 155 ℃, start to drop 2200 gram oxirane (C 2 h 4 O, molecular weight 44) to react, temperature control 155 ℃ ~ 165 ℃, pressure 0.10 ~ 0.40MPa, dropwise for 3 ~ 4 hours, after dropping, 155 ℃ ~ 165 ℃ for 2 ~ 3 hours, then cooled to below 80 ℃, Discharging gets crude product; Crude product adds 40 gram activated clays and stirs for 30 minutes, obtains 3469.2 grams of clear and transparent trihydroxy polyether esters (C 15 h 30 o 9 , molecular weight 354), the structure is shown in the following formula, wherein: n=2, a+b+c=5.

[0072] R=H.

[0073] In the 3000mL four-necked flask, drop into 177 grams of trihydroxy polyether ester (C 15 h 30 o 9 , molecular weight 354), 333 grams (1.5mol) IPDI, 0.2 gram catalyst dibutyltin dilaurate, be warming up to 60 ℃~65 ℃ and stir insulation reaction 2~3 hours, then add 1...

Embodiment 2

[0081] 1000 grams of succinic anhydride, 15 grams of benzyltriethylammonium chloride, 1.5 grams of p-hydroxyanisole, and 3457 grams of trimethylolpropane diacrylate (molecular formula: C 12 h 18 o 5 , molecular weight 242, diester content by 70%), start stirring, heat up to 70°C, keep warm for 1 hour, then heat up to 80°C for 1 hour, then heat up to 100°C for 3 hours, react until the acid value is constant, and then After cooling to below 50°C, a bifunctional acrylate with a carboxyl group having the structure shown in formula IV is obtained.

[0082]

Embodiment 3

[0084] In the 3000L reactor, drop into 80 kilograms of toluene, 500 kilograms of cyclohexane, propoxylated trimethylolpropane (C 15 h 32 o 6, molecular weight 308) 720 kilograms, 564 kilograms of acrylic acid, 7 kilograms of hydroxyanisole, 4.6 kilograms of hypophosphorous acid, 34.8 kilograms of methanesulfonic acid; Stirring is started, and compressed air is continuously introduced into the kettle through the distributor at the bottom of the kettle, and the temperature is raised to 80~ Start reflux dehydration at 86°C, esterification reaction for 10-12 hours, kettle temperature 88-92°C, when the reflux dehydration until no water comes out, the acid value is 30-35mgKOH / g, the reaction is over, cool to room temperature; add 38.2 kg Caustic soda and 95.5 kg of water, stirred for 30 minutes; 11.5 kg of magnesium polysilicate was added, stirred and adsorbed for 30 minutes; then the water and solvent were distilled under reduced pressure at 50-95 ° C under a vacuum degree of -0.0...

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