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Supersoft hydrophilic block silicone oil intermediate compound and preparation method thereof

A hydrophilic block and intermediate technology, applied in textiles, papermaking, fiber treatment, etc., can solve problems such as difficult repair, easy demulsification, sticking to rolls, etc., to solve easy yellowing, less color change, and expand application range effect

Active Publication Date: 2014-04-16
RUNHE ORGANICSILICONE NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ultra-soft hydrophilic block silicone oil prepared by using the intermediate compound synthesized in the present invention is suitable for the hand finishing of fabrics composed of one or more fibers of cotton, polyester, nylon and acrylic, and has softness, slipperiness and fluffiness beyond amino silicone oil It also has excellent acid and alkali resistance, electrolyte resistance, high temperature resistance, shear resistance and other stability, which completely solves the problems of easy demulsification, oil floating, sticking rollers and difficult repair of traditional amino silicone oils.

Method used

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  • Supersoft hydrophilic block silicone oil intermediate compound and preparation method thereof
  • Supersoft hydrophilic block silicone oil intermediate compound and preparation method thereof
  • Supersoft hydrophilic block silicone oil intermediate compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0032] Example 1-1 Preparation of α, ω-amino polysiloxane intermediate

[0033] In a 2000ml three-necked flask equipped with a constant speed electric stirrer and a thermometer, add 1230g of octamethylcyclotetrasiloxane (D4) and 50 grams of 1,1,3,3-tetramethyldiaminopropyl disilazane Oxygen, stir and heat up to about 90-95°C, then add 1.28g (CH 3 ) 4 NOH content of 10% (CH 3 ) 4 NOH alkali glue, heat preservation reaction for 6 hours, after the heat preservation is over, the temperature is raised to 135 ° C, and the heat preservation is 1 hour, and the catalyst (CH 3 ) 4 The NOH is fully decomposed, vacuumized slowly, and a large amount of low boiling material flows out. Under the condition of temperature of 150°C and relative vacuum degree of -99.9KPa, pull out the low boiling material for 1 hour until no material flows out. The synthesized product is a colorless transparent viscous liquid, the ammonia value is 0.345mmol / g, the viscosity is 50-55cs, and the volatile con...

Embodiment 1-2

[0034] Example 1-2 α, ω--The preparation of aminopolysiloxane intermediate

[0035] In a 2000ml three-necked flask equipped with a constant-speed electric stirrer and a thermometer, add 1640g of octamethylcyclotetrasiloxane (D4) and 50 grams of 1,1,3,3-tetramethyldiaminopropyl disilazane Oxygen, stir and heat up to about 90-95°C, then add 1.7g (CH 3 ) 4 NOH content of 10% (CH 3 ) 4 NOH alkali glue, heat preservation reaction for 6 hours, after the heat preservation is over, the temperature is raised to 135 ° C, and the heat preservation is 1 hour, and the catalyst (CH 3 ) 4 The NOH is fully decomposed, vacuumized slowly, and a large amount of low boiling material flows out. Under the condition of temperature of 150°C and relative vacuum degree of -99.9KPa, pull out the low boiling material for 1 hour until no material flows out. The synthesized product is a colorless transparent viscous liquid with an ammonia value of 0.26mmol / g, a viscosity of 100-110cs, and a volatile...

Embodiment 2-1

[0036] Example 2-1 Preparation of epoxy-terminated polyether and α, ω-amino polysiloxane intermediate block polymerization

[0037] In a 2000ml three-necked flask equipped with a constant speed electric stirrer and a thermometer, add 800g of the α,ω-amino polysiloxane intermediate prepared in Example 1-1, 106g of epoxy-terminated polyether (epoxy-terminated polyether) The molecular weight of polyether is 920, a+b=3, n=14), 604g of ethylene glycol monobutyl ether, start stirring, after fully stirring for 30 minutes, slowly raise the temperature to about 80-85°C, keep the temperature for 20 hours, A transparent light yellow polyorganosiloxane polyether block copolymer of polysiloxane, amino group and polyether ternary block can be obtained, with a viscosity of 500-550cs and a solid content of 60±1%.

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Abstract

The invention relates to the field of textile finishing agent, in particular to supersoft hydrophilic block silicone oil intermediate compound and a preparation method thereof. The supersoft hydrophilic block silicone oil intermediate compound is composed of cations of the structural formula, wherein the n1 is the number of 5 to 10, and the degree of polymerization ranges from 3 to 50. Supersoft hydrophilic block silicone oil prepared by the intermediate compound synthetized is applicable to handle finishing of fabric knitted with one or multiple fibers of cotton, dacron, chinlon and acrylic fibers and has softness, smoothness and looseness effects superior to those of amino-modified silicone oil, has excellent stability in acid and alkali resistance, electrolyte resistance, high temperature resistance, shearing resistance and the like and thoroughly solves the problems of easy demulsification, floating oil, roll banding, difficulty in refinishing and the like.

Description

technical field [0001] The invention relates to the field of textile finishing agents, in particular to a supersoft hydrophilic block silicone oil intermediate compound and a preparation method. Background technique [0002] At present, more than 80% of the hand finishing agents for textiles on the market need to use amino silicone oil. Amino silicone oil is a modified silicone oil developed in the 1980s and mainly used for soft, fluffy and smooth handle finishing. Its molecular main chain is composed of Si-O bonds with excellent flexibility. The aminosilane coupling agent introduces amino groups of different structures, which have strong polarity, reactivity, adsorption and other chemical characteristics, thus endowing amino silicone oil with innate advantages in the effect of fabric hand finishing. However, amino silicone oil cannot be used directly, and must be emulsified with an emulsifier before use. After years of technological development, the selection of amino sil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G77/46D06M15/647
Inventor 朱建华杨振刘毛毛皮碧荣许海凤
Owner RUNHE ORGANICSILICONE NEW MATERIAL
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