CN107385925A - Organic silicon modified polyurethane finishing agent and its production method - Google Patents

Organic silicon modified polyurethane finishing agent and its production method Download PDF

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Publication number
CN107385925A
CN107385925A CN201710697160.XA CN201710697160A CN107385925A CN 107385925 A CN107385925 A CN 107385925A CN 201710697160 A CN201710697160 A CN 201710697160A CN 107385925 A CN107385925 A CN 107385925A
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parts
finishing agent
organic silicon
silicon modified
modified polyurethane
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高银芬
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Guangdong Zhan Feng Fine Chemical Co Ltd
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Guangdong Zhan Feng Fine Chemical Co Ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D06M15/568—Reaction products of isocyanates with polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/348—Hydroxycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/6692—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/34
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5285—Polyurethanes; Polyurea; Polyguanides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/50—Modified hand or grip properties; Softening compositions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Silicon Polymers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The present invention relates to a kind of organic silicon modified polyurethane finishing agent and its production method, feature be include 30~100 parts PPG2000,1~3 part of trimethylolpropane, the 2 of 3~5 parts, 2 dihydromethyl propionic acid DMPA, 0.05~0.1 part of dibutyl tin laurate DBTDL, 20~104 parts of IPDI, 1~3 part of triethylamine, 15~25 parts of both-end aminopropyl silicone oil DNN066 01 and 120~160 parts of deionized water, they are parts by weight.Its advantage is：After finishing agent by the present invention arranges, the feel of cloth specimen is significantly improved compared with former cloth, can be reacted with dyestuff, fiber and the active hydrogen of itself, adhesion except dyestuff and fabric can be increased, improve outside fastness to wet rubbing, make cloth-like hand soft, it is smooth, it is fluffy.

Description

Organic silicon modified polyurethane finishing agent and its production method
Technical field
The present invention relates to a kind of organic silicon modified polyurethane finishing agent and its production method, belong to textile printing and dyeing field.
Background technology
Cotton looped fabric after arrangement is more equal than the fastness to wet rubbing of unfinished cotton looped fabric to improve 1 grade.Reason is synthesis Cation group in sample can be formed with water soluble anionic groups such as the sulfonic group in molecular structure of dye or carboxylic acid groups Electrostatical binding, water soluble group is closed, make dyestuff calm on fiber；Secondly, it is abnormal active after aqueous polyurethane deblocking NCO (- NCO) discharge again, the combination of dyestuff and fabric with the active hydrogen reaction on dyestuff, fiber, can be promoted Power, but cloth-like hand is deteriorated.
The content of the invention
It is a kind of organic-silicon-modified that the purpose of the present invention is that overcome the deficiencies in the prior art the first object of the present invention is to provide Polyurethane finishing agent, the second object of the present invention are to provide a kind of production method of organic silicon modified polyurethane finishing agent, its energy With the active hydrogen reaction on dyestuff, fiber, promote the adhesion of dyestuff and fabric, cloth-like hand is soft, smooth, fluffy.
In order to reach the first object of the present invention, it is achieved in that it is that a kind of organic silicon modified polyurethane arranges Agent, it is characterised in that the PPG2000 including 30~100 parts, 1~3 part of trimethylolpropane, 3~5 parts of 2,2- dihydroxy first Base propionic acid DMPA, 0.05~0.1 part of dibutyl tin laurate DBTDL, 20~104 parts of IPDI, 1~3 part of three second Amine, 15~25 parts of both-end aminopropyl silicone oil DNN066-01 and 120~160 parts of deionized water, they are parts by weight.
In order to reach the second object of the present invention, it is achieved in that the production of organic silicon modified polyurethane finishing agent Method, it is characterised in that comprise the following steps：
The prepolymerization reaction of step 1 polyurethane：
Weigh 30~100 parts of PPG2000 and be added in the four-hole boiling flask of the drying of agitating device and thermometer, be warming up to 120 DEG C~125 DEG C, at 120 DEG C~125 DEG C, vacuum is dehydrated 1.5-2.5 hours under conditions of being 0.1MPA, then cools To 55 DEG C~60 DEG C, add 1~3 part trimethylolpropane, 0.05~0.1 part of dibutyl tin laurate DBTDL and 3~ 5 parts of 2,2- dihydromethyl propionic acid DMPA, then 20~104 parts of IPDI is added dropwise, time for adding 0.3-0.7 hours, 80 DEG C- After 85 DEG C of insulation 2.5-3 hours, detection-NCO content, until-NCO content reaches 1%~3%；
Step 2 is modified chain extending reaction
Cool to 45 DEG C -55 DEG C, adding 10~50 parts of acetone reduces system viscosity, system viscosity now for 2000~ 5000mpa.s(25℃)；At 50 DEG C -55 DEG C, 1~3 part of triethylamine is added, 0.3-0.7 hours is incubated, adds 10~50 The acetone of part reduces system viscosity, and system viscosity now is 500~2000mpa.s (25 DEG C).
The synthesis of step 3 organic silicon modified polyurethane finishing agent
Cool to 20 DEG C -30 DEG C, add 15~25 parts of both-end aminopropyl silicone oil DNN066-01, reaction 2 is small at 25-30 DEG C When, the deionized water of 120~160 parts of dropwise addition, obtain synthetic；
Step 4 emulsion reaction
Deionized water is added dropwise in synthetic, the solid content for making synthetic is 25~35%, obtains emulsion；
Step 5 desolventizing
It is evaporated under reduced pressure and removes acetone, you can obtains organic silicon modified polyurethane finishing agent.
The present invention compared with prior art the advantages of be：After finishing agent by the present invention arranges, the feel of cloth specimen is more former Cloth is significantly improved, and can be reacted with dyestuff, fiber and the active hydrogen of itself, except that can increase dyestuff with knitting The adhesion of thing, improve outside fastness to wet rubbing, make cloth-like hand soft, it is smooth, it is fluffy.
Embodiment
The embodiment of the present invention is described further with reference to embodiment.It is herein it should be noted that right It is used to help understand the present invention in the explanation of these embodiments, but does not form limitation of the invention.In addition, retouched below As long as involved technical characteristic does not form conflict can and tied mutually each other in each embodiment of the invention stated Close.
Embodiment one
It is a kind of organic silicon modified polyurethane finishing agent, including 138.54 grams of PPG2000,3.73 grams of trihydroxy methyl third Alkane, 13.13 grams of 2,2- dihydromethyl propionic acids DMPA, 0.1 gram of dibutyl tin laurate DBTDL, 74.32 grams of IPDI , 7.72 grams of triethylamine, 65 grams of both-end aminopropyl silicone oil DNN066-01 and 158 grams of deionized water.
In the present embodiment, the production method of organic silicon modified polyurethane finishing agent is as follows：
The prepolymerization reaction of step 1 polyurethane：
138.54 grams of PPG2000 is weighed, in the four-hole boiling flask for the drying for being added to agitating device and thermometer, is warming up to 120 DEG C, at 120 DEG C, vacuum is dehydrated 2.5 hours under conditions of being 0.1MPA, then cools to 55 DEG C DEG C, adds 3.73 grams Trimethylolpropane, 0.1 gram of dibutyl tin laurate DBTDL and 13.13 grams of 2,2- dihydromethyl propionic acid DMPA, then The IPDI of 74.32 grams of dropwise addition, time for adding 0.3~0.7 hour, after 80 DEG C are incubated 3 hours, detection-NCO content, until- NCO content reaches=1%~3%；
Step 2 is modified chain extending reaction
45 DEG C are cooled to, adding 50 grams of acetone reduces system viscosity, system viscosity 2000-5000mpa.s；At 50 DEG C, add Enter 7.72 grams of triethylamine, be incubated 0.5 hour, adding 50 grams of acetone reduces system viscosity, system viscosity 500- 2000mpa.s；
The synthesis of step 3 organic silicon modified polyurethane finishing agent
20 DEG C are cooled to, 65 grams of both-end aminopropyl silicone oil DNN066-01 is added, is reacted 2 hours at 25 DEG C, is added dropwise 158 grams Deionized water, it is evaporated under reduced pressure and removes acetone；
Step 4 emulsion reaction
By required solid content（35%）389 grams of deionized waters are added dropwise, obtain supernatant liquid；
Step 5 desolventizing
Acetone is removed being evaporated under reduced pressure, by the solvent removal in above-mentioned emulsion, you can to obtain organic silicon modified polyurethane arrangement Agent.
Embodiment two
It is a kind of organic silicon modified polyurethane finishing agent, including 147 grams of PPG2000,14 grams of trimethylolpropane, 24 grams of 2,2- dihydromethyl propionic acids DMPA, 0.3 gram of dibutyl tin laurate DBTDL, 99 grams of IPDI, the three of 5 grams Ethamine, 122 grams of both-end aminopropyl silicone oil DNN066-01 and 588 grams of deionized water, they are parts by weight.
In the present embodiment, the production method of organic silicon modified polyurethane finishing agent is as follows：
The prepolymerization reaction of step 1 polyurethane：
Weigh 147 grams of PPG2000 and be added in the four-hole boiling flask of the drying of agitating device and thermometer, be warming up to 122 DEG C, at 122 DEG C, vacuum is dehydrated 2 hours under conditions of being 0.1MPA, then cools to 57 DEG C, adds 14 grams of three hydroxyl first Base propane, 0.3 gram of dibutyl tin laurate DBTDL and 24 grams of 2,2- dihydromethyl propionic acid DMPA, then it is added dropwise 99 grams IPDI, time for adding 0.3-0.7 hours, after 83 DEG C of insulations 2.8 hours, detection-NCO content, until-NCO content reaches 1% ~3%；
Step 2 is modified chain extending reaction
50 DEG C are cooled to, adding 60 grams of acetone reduces system viscosity, and system viscosity now is 2000~5000mpa.s (25 ℃)；At 53 DEG C, 5 grams of triethylamine is added, is incubated 0.5 hour, adding 60 grams of acetone reduces system viscosity, now System viscosity is 500~2000mpa.s (25 DEG C)；
The synthesis of step 3 organic silicon modified polyurethane finishing agent
Cool to 25 DEG C, add 122 grams of both-end aminopropyl silicone oil DNN066-01, react 2 hours at 27 DEG C, 588 grams of dropwise addition Deionized water, obtain synthetic；
Step 4 emulsion reaction
Deionized water is added dropwise in synthetic, the solid content for making synthetic is 25~35%, obtains emulsion；
Step 5 desolventizing
It is evaporated under reduced pressure and removes acetone, you can obtains organic silicon modified polyurethane finishing agent.
The performance of organic silicon modified polyurethane finishing agent obtained by the present embodiment one and implementation two is as shown in the table.
Finishing agent Solid content, % Ph Feel Dry fastness Fastness to wet rubbing
Embodiment one 28.53 7 It is soft 4~5 3
Embodiment two 28.71 7 It is soft 4~5 3
As can be seen from the above table, the organic silicon modified polyurethane finishing agent that the present invention synthesizes is lifted with commercially available crock fastness Agent is compared, and dosage is few, and solid content is low, and fastness to wet rubbing can improve 1 grade, and the fabrics feel soft after processing, and it is integrated Positive effect is better than the crock fastness elevator of in the market.
Embodiment three
It is a kind of organic silicon modified polyurethane finishing agent, including 208 grams of PPG2000,7 grams of trimethylolpropane, 14 grams 2,2- dihydromethyl propionic acids DMPA, 0.3 gram of dibutyl tin laurate DBTDL, 208 grams of IPDI, 7 grams of three second Amine, 70 grams of both-end aminopropyl silicone oil DNN066-01 and 485 grams of deionized water, they are parts by weight.
In the present embodiment, the production method of organic silicon modified polyurethane finishing agent is as follows：
The prepolymerization reaction of step 1 polyurethane：
Weigh 208 grams of PPG2000 and be added in the four-hole boiling flask of the drying of agitating device and thermometer, be warming up to 125 DEG C, at 125 DEG C, vacuum is dehydrated 1.5 hours under conditions of being 0.1MPA, then cools to 60 DEG C, adds 7 grams of three hydroxyl first Base propane, 0.3 gram of dibutyl tin laurate DBTDL and 14 grams of 2,2- dihydromethyl propionic acid DMPA, then it is added dropwise 208 grams IPDI, time for adding 0.3-0.7 hours, after 85 DEG C of insulations 2.5 hours, detection-NCO content, until-NCO content reaches 1% ~3%；
Step 2 is modified chain extending reaction
55 DEG C are cooled to, adding 65 grams of acetone reduces system viscosity, and system viscosity now is 2000~5000mpa.s (25 ℃)；At 55 DEG C, 7 grams of triethylamine is added, is incubated 0.3 hour, adding 65 grams of acetone reduces system viscosity, body now It is that viscosity is 500~2000mpa.s (25 DEG C)；
The synthesis of step 3 organic silicon modified polyurethane finishing agent
Cool to 30 DEG C, add 70 grams of both-end aminopropyl silicone oil DNN066-01, react 2 hours at 30 DEG C, 485 grams of dropwise addition Deionized water, obtain synthetic；
Step 4 emulsion reaction
Deionized water is added dropwise in synthetic, the solid content for making synthetic is 25~35%, obtains emulsion；
Step 5 desolventizing
It is evaporated under reduced pressure and removes acetone, you can obtains organic silicon modified polyurethane finishing agent.
Embodiments of the present invention are explained in detail above in association with embodiment, but the present invention is not limited to described implementation Mode.For the ordinary skill in the art, in the case where not departing from the principle and objective of the present invention to these realities The mode of applying carries out a variety of changes, modification, replacement and deformation and still fallen within the scope of the present invention.

Claims (2)

1. a kind of organic silicon modified polyurethane finishing agent, it is characterised in that the PPG2000 including 30~100 parts, the three of 1~3 part Hydroxymethyl-propane, 3~5 parts of 2,2- dihydromethyl propionic acids DMPA, 0.05~0.1 part of dibutyl tin laurate DBTDL, 20~104 parts of IPDI, 1~3 part
Triethylamine, 15~25 parts of both-end aminopropyl silicone oil DNN066-01 and 120~160 parts of deionized water, they attach most importance to Measure number.
2. the production method of organic silicon modified polyurethane finishing agent according to claim 1, it is characterised in that including following Step：
The prepolymerization reaction of step 1 polyurethane：
Weigh 30~100 parts of PPG2000 and be added in the four-hole boiling flask of the drying of agitating device and thermometer, be warming up to 120 DEG C~125 DEG C, at 120 DEG C~125 DEG C, vacuum is dehydrated 1.5-2.5 hours under conditions of being 0.1MPA, then cools To 55 DEG C~60 DEG C, add 1~3 part trimethylolpropane, 0.05~0.1 part of dibutyl tin laurate DBTDL and 3~ 5 parts of 2,2- dihydromethyl propionic acid DMPA, then 20~104 parts of IPDI is added dropwise, time for adding 0.3-0.7 hours, 80 DEG C- After 85 DEG C of insulation 2.5-3 hours, detection-NCO content, until-NCO content reaches 1%~3%；
Step 2 is modified chain extending reaction
Cool to 45 DEG C -55 DEG C, adding 10~50 parts of acetone reduces system viscosity, system viscosity now for 2000~ 5000mpa.s(25℃)；At 50 DEG C -55 DEG C, 1~3 part of triethylamine is added, 0.3-0.7 hours is incubated, adds 10~50 The acetone of part reduces system viscosity, and system viscosity now is 500~2000mpa.s (25 DEG C)；
The synthesis of step 3 organic silicon modified polyurethane finishing agent
Cool to 20 DEG C -30 DEG C, add 15~25 parts of both-end aminopropyl silicone oil DNN066-01, reaction 2 is small at 25-30 DEG C When, the deionized water of 120~160 parts of dropwise addition, obtain synthetic；
Step 4 emulsion reaction
Deionized water is added dropwise in synthetic, the solid content for making synthetic is 25~35%, obtains emulsion；
Step 5 desolventizing
It is evaporated under reduced pressure and removes acetone, you can obtains organic silicon modified polyurethane finishing agent.
CN201710697160.XA 2017-08-15 2017-08-15 Organic silicon modified polyurethane finishing agent and its production method Pending CN107385925A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108047419A (en) * 2017-12-15 2018-05-18 淄博鲁瑞精细化工有限公司 The preparation method of the polyurethane-modified silicone softening agent of fluff type
CN109208355A (en) * 2018-06-06 2019-01-15 苏州印丝特纺织数码科技有限公司 A kind of cotton fabric color fixing agent and preparation method thereof
CN110467717A (en) * 2019-07-09 2019-11-19 广东德美精细化工集团股份有限公司 A kind of not fluorine-containing waterproof polymer intermediate and preparation method thereof
CN111944117A (en) * 2020-08-28 2020-11-17 陕西科技大学 Amino silicone oil modified waterborne polyurethane and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102167795A (en) * 2010-12-31 2011-08-31 王奇 Amino silicone modified waterborne polyurethane and preparation method thereof
CN103147306A (en) * 2013-01-30 2013-06-12 西安工程大学 Textile anti-pilling polyurethane finishing agent and preparation method thereof
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Application publication date: 20171124