CN107700214A - High-efficient, no-freon waterproofing agent and preparation method comprising telechelic polymer - Google Patents
High-efficient, no-freon waterproofing agent and preparation method comprising telechelic polymer Download PDFInfo
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- CN107700214A CN107700214A CN201710999754.6A CN201710999754A CN107700214A CN 107700214 A CN107700214 A CN 107700214A CN 201710999754 A CN201710999754 A CN 201710999754A CN 107700214 A CN107700214 A CN 107700214A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
- C08F283/008—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00 on to unsaturated polymers
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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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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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
-
- 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
- D06M15/572—Reaction products of isocyanates with polyesters or polyesteramides
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- 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
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a kind of high-efficient, no-freon waterproofing agent comprising telechelic polymer, the no fluoro water proofing agent includes following components by mass percentage：Fluorine free polymer 25-35%, surfactant 1.5-6%, auxiliary agent 1.5-9% and water.No fluoro water proofing agent provided by the invention has good waterproof effect, without fluorine element, and it is green.No fluoro water proofing agent provided by the invention, using special material, compared with the prior art, there is more preferable waterproof effect and excellent handle, washing resistance performance is more preferably.
Description
Technical field
The present invention relates to textile auxiliary field, it is specifically a kind of comprising telechelic polymer without fluoro water proofing agent and its system
Preparation Method.
Background technology
Waterproofing agent can assign textile surface hydrophobic performance.Most commonly used in the market is fluorine-containing water repellent.
Fluorine-containing water repellent price, high energy consumption, pollution are heavy in production for fluorine-containing raw material used, institute's band fluorine-containing material difficult degradation, have life
Thing accumulation toxicity.It is development trend using floride-free auxiliary agent.
In recent years, with the improvement of living standards with national industrial upgrading, textile printing and dyeing industry is to high-grade floride-free waterproof
The demand of agent is increasing.But disadvantage existing for existing no fluoro water proofing agent annoyings dyeing ＆ printing enterprise, is mainly shown as through waterproof
After agent arranges, fabric feeling hardens, and the persistence of waterproof action is bad.The former is more and with being subject to by way of softening agent
Solve, can typically cause the decline of water resistance；The latter be and with crosslinking agent or increase waterproofing agent dosage, cause entering for feel
One step reduces.These disadvantages, which are traced sth. to its source, is the Molecular Design defect of waterproofing agent.
(Kubo member Shen Fluorine-Contained Oil-Water-Proofings (I) --- mechanism [J] on waterproof and oilproof performance prints for Kubo member Shen
Dye, 1995,21 (12)：37-41) list the molecular structure of conventional waterproof (grease proofing) agent：Arranged by functional monomer
Reaction in journey is realized self-crosslinking or reacted with fabric, crosslinking agent, so as to improve persistence.Functional monomer is in waterproofing agent master
Formed on chain band can reactive group short-side chain, the reaction of reactive group forms very strong effect of contraction to main chain, forms hair
Hard feel；Simultaneously as the steric hindrance of main chain, many reactive group self-crosslinkings, not and fabric forms stronger combination,
Durability lifts unobvious.
The content of the invention
The present invention is intended to provide a kind of high-efficient, no-freon waterproofing agent and its manufacture method comprising telechelic polymer, the free-floride is anti-
Aqua can more keep the feel of fabric in itself, have more preferable waterproof effect and persistence.
To achieve the above object, present invention firstly provides one kind without fluoro water proofing agent, it is characterised in that each component and quality hundred
Divide ratio as follows：Fluorine free polymer 25-35%, surfactant 1.5-6%, auxiliary agent 1.5-9%, surplus are water；
The fluorine free polymer is formed by hydrophobic monomer, function monomer and telechelic polymer by radical polymerization, described
The mass percent that hydrophobic monomer, function monomer and telechelic polymer account for fluorine free polymer is：Hydrophobic monomer 70-90%, function
Monomer 5-20%, and telechelic polymer 5-10%；
The hydrophobic monomer carries hydrocarbon hydrophobic grouping and double bond, and hydrocarbon hydrophobic grouping can be straight chain, side chain or (more)
One or more mixing of the hydrophobic alkyl of ring-type；
The function monomer carries a double bond and functional group, and the function monomer is the mixture of many kinds of substance；
The telechelic polymer carries double bond selected from one end, and other end has thermal deblocking type blocked isocyanate group
One or more kinds of telechelic polymer mixing；
The surfactant is selected from nonionic and cationic surface active agent；
The auxiliary agent includes pH regulations auxiliary agent, secondary solvent；
The free radical is as caused by thermally decomposing initiator.
The hydrophobic grouping can be straight chain, the branched alkyl of carbon number >=8, (alkyl substitution) phenyl, (alkyl substitution) ring
Hexyl, one or more mixing of isobornyl.
The functional group of the function monomer, which is selected from, contains amino or hydroxyl or carboxyl or ketone carbonyl or tri-alkoxy
Silicon substrate or one and more than one carbon-to-carbon double bond have polyethylene oxide segments or tertiary amine group or quaternary ammonium group or band
The one or more of chlorine element etc..
The function monomer is selected from acrylamide, vinyltrimethoxy silane, DAAM and coordinates adipyl
Hydrazine system, ethylene glycol dimethacrylate, trimethylolpropane tris (methyl) acrylate, divinylbenzene, (methyl) third
Olefin(e) acid dimethylaminoethyl, (methoxyl group) polyethylene glycol (methyl) acrylate, (methyl) acrylyl oxy-ethyl-trimethyl chlorination
One kind in ammonium, vinyl chloride, vinylidene chloride, 3- chlorine-2-hydroxyl-propyls methacrylate, (methyl) hydroxy-ethyl acrylate
It is or several.
The telechelic polymer is by (methyl) crylic acid hydroxy ester, polyisocyanates, low molecular weight diol and end-capping reagent
Reaction obtains, one terminal double bond, and other end is thermal deblocking type blocked isocyanate.
(methyl) crylic acid hydroxy ester of the synthesis telechelic polymer is selected from (methyl) hydroxy-ethyl acrylate, (methyl) third
Olefin(e) acid hydroxy butyl ester and the own ester of (methyl) acrylic acid hydroxyl are one or more kinds of；The polyisocyanates is selected from isophorone diisocyanate
Ester (IPDI), toluene di-isocyanate(TDI) (TDI), hexamethylene diisocyanate (HDI), methyl diphenylene diisocyanate
(MDI), HDI trimer, TDI tripolymers, the one or more of MDI tripolymers；Low molecular weight diol is selected from molecular weight 100-
1000 polyethylene glycol, polypropylene glycol, PTMG, polyhexamethylene adipate glycol, polybutyleneadipate
One or more in esterdiol, polyneopentyl glycol adipate glycol, polycaprolactone glycol, straight chained alkyl glycol；The envelope
Hold one or more of the agent in 3,5- dimethyl pyrazoles, diacetylmonoxime, phenol, diethyl malonate.
The pH regulations auxiliary agent includes acid or alkali or amino acid, and to be between 4~7 without fluoro water proofing agent pH value；
The secondary solvent is selected from DPG, one or two kinds of mixtures of tripropylene glycol.
The one kind of the initiator in persulfate, oil-soluble azo-initiator or water-soluble azo class initiator
It is or a variety of.
One or more of the initiator in ammonium persulfate, azodiisobutyronitrile, azo-bis-isobutyrate hydrochloride.
A kind of preparation method of no fluoro water proofing agent, comprises the following steps：
(1) each component is well mixed and emulsified, obtained pre-emulsion, do not include initiator, water-soluble monomer in pre-emulsion
It is less than the material of emulsifying temperature with boiling point；
(2) water-soluble monomer is first added to the pre-emulsion of step (1) acquisition, is well mixed.Then initiator is added anti-
Answer, boiling point is disposably added less than the material of emulsifying temperature and is either gradually added, and reacts and system temperature is down into room after terminating
Temperature, target product is obtained after filtering.
Wherein, the molecular weight regulator of system mass percent 0~0.3% can also be included in the polymerization system.Institute
It can be alkyl hydrosulfide, α-methyl styrene linear dimerization body, mercaptopropionic acid etc. to state molecular weight regulator.Preferably selection be
The alkyl hydrosulfide of the straight chain of carbon number more than 12.
The beneficial effects of the invention are as follows：
Synthesized using telechelic polymer without fluoro water proofing agent, the fabric after arrangement is more embodied the feel of itself, water proofing property
Can be more preferable with washing fastness.
Embodiment
In order to verify the waterproof effect of the textile after water and oil repellent agent of the present invention processing, can be entered by standard method
Row is investigated, to compare.The standard method is to investigate waterproof effect using national standard GB 4745-2012, and grease proofing effect is used
AATCC-TEST Method l18-2002 are investigated, and here is method brief introduction.
National standard《GB 4745—2012》Test method.
18 × 18cm sample is intercepted, is compressed with clamper, and is installed on straight on the firm banking with 45° angle,
With 250mL (20 ± 2 DEG C) distilled water or deionized water rapidly and smoothly in hopper, by positioned at sample overcentre
Shower nozzle in 25~30s, it is average towards sample center and continuously spray.Spray finishes, and rapidly takes away clamper, makes
The sample level of facing down into, lightly pat, then rotate, make the sample level of facing up into, lightly pat one
Under, sample wetness degree is observed, is compareed with word description and with picture and evaluates its grade.Take 2 average values.
Rating scale word is：
0 grade --- whole specimen surface complete wetting.
L levels --- by leaching surface complete wetting.
L-2 levels --- specimen surface soaks at spray point, and wetting areas exceeds by leaching surface half.
2 grades --- specimen surface soaks at spray point, and wetting areas is about by leaching surface half.
2-3 levels --- specimen surface is soaked at spray point, and wetting areas is less than by leaching surface half.
3 grades --- soaked at specimen surface spray point.
3-4 levels --- specimen surface, which is equal to or less than at the spray point of half, to be soaked.
4 grades --- specimen surface has to be soaked at fragmentary spray point.
4-5 levels --- specimen surface does not soak, and has a small amount of globule.
5 grades --- specimen surface does not have the globule or wetting.
The effect of sample after washing is also investigated, washing conditions are standard synthetic detergent 1g/L, washing machine bath raio 1：
30 washings, are rinsed, dehydration, the drying of 100 DEG C × 3min forming machines.
Telechelic polymer A
The own ester of 1mol acrylic acid hydroxyls is taken to react complete with 1mol IPDIs (IPDI)；Add 1mol's
The reaction of 1,5 hexylene glycols is complete；Then the IPDI trimerization precursor reactants for adding 1mol are complete；It is eventually adding 2mol 3,5- dimethyl pyrazoles
Azoles is reacted to terminal, obtains telechelic polymer A.
Telechelic polymer A
The own ester of 1mol acrylic acid hydroxyls is taken to react complete with 1mol IPDIs (IPDI)；Add 1mol's
The reaction of 1,5 pentanediols is complete；Then the IPDI trimerization precursor reactants for adding 1mol are complete；It is eventually adding 2mol 3,5- dimethyl pyrazoles
Azoles is reacted to terminal, obtains telechelic polymer A.
Telechelic polymer B
1mol hy-droxybutyls are taken to react complete with 1mol toluene di-isocyanate(TDI)s (TDI)；Add 1mol molecular weight
500 polyhexamethylene adipate glycol reaction is complete；Then the TDI trimerization precursor reactants for adding 1mol are complete；It is eventually adding
2mol diacetylmonoxime is reacted to terminal, obtains telechelic polymer B.
Telechelic polymer C
1mol hydroxy-ethyl acrylates are taken to react complete with 1mol IPDIs (IPDI)；Add 1mol points
The polycaprolactone glycol reaction of son amount 1000 is complete；Then the HDI trimer reaction for adding 1mol is complete；It is eventually adding 2mol's
3,5- dimethyl pyrazoles are reacted to terminal, obtain telechelic polymer C.
Embodiment 1
Take 18 grams of acrylic acid behenyl base esters, 5 grams of methacrylic acid behenyl base esters, 1.5 grams of styrene, 2 grams of telechelic polymer
B, 5 grams of DPGs, 3 grams of Ethoqual C/25 (ethoxylated quaternary), 0.3 gram of acetic acid, 61.5 grams of water, heat up 55 degree, it is high
Speed emulsification 60 minutes, obtains pre-emulsion；Lead to nitrogen again 30 minutes, while it is 62 DEG C to control temperature, and add 0.5 gram of metering system
Sour hydroxyl ethyl ester is well mixed.Then 0.2 gram of azo-bis-isobutyrate hydrochloride, 3 grams of vinyl chloride, insulation reaction 8 hours are added.Finally
System temperature is down to room temperature, through 300 mesh filter-cloth filterings, produces no fluoro water proofing agent.
Other embodiments
Each component and embodiment 1 are otherwise varied in other embodiments, and preparation technology is same as Example 1, below, with subordinate list
Form lists the component of each embodiment.
Comparative example 1
Without there is no telechelic polymer in fluoro water proofing agent.
Take 18 grams of acrylic acid behenyl base esters, 5 grams of methacrylic acid behenyl base esters, 3.5 grams of styrene, 5 grams of DPGs, 3
Gram Ethoqual C/25 (ethoxylated quaternary), 0.3 gram of acetic acid, heating up 55 degree to melt simultaneously stirs, 61.5 water of addition,
High-pressure emulsification 60 minutes, obtains pre-emulsion.Lead to nitrogen again 30 minutes, while it is 62 DEG C to control temperature, adds 0.5 gram of metering system
Sour hydroxyl ethyl ester stirs.Then 0.2 gram of azo-bis-isobutyrate hydrochloride, 1.5 grams of vinyl chloride, insulation reaction 8 hours are added.Most
System temperature is down to room temperature afterwards, through 300 mesh filter-cloth filterings, produces no fluoro water proofing agent.
Comparative example 2
It is commercial goods without fluoro water proofing agent.
Embodiment 1-5 and comparative example 1-2 are diluted to solids content as 10% without fluoro water proofing agent with running water,
Learn from else's experience the immersing and rolling of tatting bafta one, 100 DEG C of drying, 180 DEG C are heat-treated 30 seconds, and waterproof effect is determined after being cooled to room temperature.
| Numbering | Waterproof | Waterproof after washing 10 times |
| Embodiment 1 | 5 | 4-5 |
| Embodiment 2 | 5 | 4-5 |
| Embodiment 3 | 5 | 4 |
| Embodiment 4 | 5 | 4-5 |
| Embodiment 5 | 4-5 | 4 |
| Comparative example 1 | 4 | 3 |
| Comparative example 2 | 4 | 3 |
In addition, the cloth specimen through the cloth-like hand that embodiment 1-5 is arranged closer to before arranging, and after comparative example arranges
Cloth specimen substantially has stiff feel.
The present invention also provides a kind of application of above-mentioned no fluoro water proofing agent on the textile.Applying step includes：First will be above-mentioned
0.1-10% mass fraction is diluted to without fluoro water proofing agent, is then applied on the bafta through low-temperature dyeing and finishing processing；Then remove
Unnecessary liquid, processing is finally dried.Can by being coated with, spraying, roller coat, pad dyeing, dipping the methods of and these sides
The combination of method, it will be applied to without fluoro water proofing agent on the bafta through low-temperature dyeing and finishing processing.After testing, it is attached to and adds through low-temperature dyeing and finishing
On the bafta of work without fluoro water proofing agent composition account for through low-temperature dyeing and finishing processing bafta mass ratio be 0.01% -10%.
In the drying process, drying condition difference, while should according to the difference for the bafta species processed through low-temperature dyeing and finishing
Guarantee is fully reacted without the functional group brought in fluoro water proofing agent by function monomer, to reach optimal waterproof effect and durable
Property, it usually needs dried 0.1-90 minutes at 100 DEG C-200 DEG C.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make some changes, improvements and modifications, and these change, improve and moistened
Decorations also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-efficient, no-freon waterproofing agent comprising telechelic polymer, it is characterised in that each component and mass percent are as follows：
Fluorine free polymer 25-35%, surfactant 1.5-6%, auxiliary agent 1.5-9%, surplus are water；
The fluorine free polymer is formed by hydrophobic monomer, function monomer and telechelic polymer by radical polymerization, described hydrophobic
The mass percent that monomer, function monomer and telechelic polymer account for fluorine free polymer is：Hydrophobic monomer 70-90%, function monomer
5-20%, and telechelic polymer 5-10%；
The hydrophobic monomer carries hydrocarbon hydrophobic grouping and double bond, and hydrocarbon hydrophobic grouping can be straight chain, side chain or (more) ring-type
Hydrophobic alkyl one or more mixing；
The function monomer carries a double bond and functional group, and the function monomer is the mixture of many kinds of substance；
The telechelic polymer carries double bond selected from one end, and other end has one kind of thermal deblocking type blocked isocyanate group
Or a variety of telechelic polymer mixing；
The surfactant is selected from nonionic and cationic surface active agent；
The auxiliary agent includes pH regulations auxiliary agent, secondary solvent；
The free radical is as caused by thermally decomposing initiator.
2. the high-efficient, no-freon waterproofing agent according to claim 1 comprising telechelic polymer, it is characterised in that the hydrophobic group
Group can be straight chain, the branched alkyl of carbon number >=8, (alkyl substitution) phenyl, (alkyl substitution) cyclohexyl, one kind of isobornyl
Or a variety of mixing.
3. the high-efficient, no-freon waterproofing agent according to claim 1 comprising telechelic polymer, it is characterised in that the function list
The functional group of body be selected from containing amino or hydroxyl or carboxyl or ketone carbonyl or tri-alkoxy silicon substrate or one and one with
Upper carbon-to-carbon double bond has polyethylene oxide segments or tertiary amine group or quaternary ammonium group or one kind or more with chlorine element etc.
Kind.
4. the high-efficient, no-freon waterproofing agent according to claim 3 comprising telechelic polymer, it is characterised in that the function list
Body is selected from acrylamide, vinyltrimethoxy silane, DAAM and coordinates AH system, ethylene glycol dimethyl
Acrylate, trimethylolpropane tris (methyl) acrylate, divinylbenzene, (methyl) dimethylaminoethyl acrylate, (first
Epoxide) polyethylene glycol (methyl) acrylate, (methyl) acrylyl oxy-ethyl-trimethyl salmiac, vinyl chloride, vinylidene chloride,
One or more in 3- chlorine-2-hydroxyl-propyls methacrylate, (methyl) hydroxy-ethyl acrylate.
5. the high-efficient, no-freon waterproofing agent according to claim 1 comprising telechelic polymer, it is characterised in that the distant pawl gathers
Compound is reacted to obtain by (methyl) crylic acid hydroxy ester, polyisocyanates, low molecular weight diol and end-capping reagent, and its one end is double
Key, other end are thermal deblocking type blocked isocyanate.
6. the high-efficient, no-freon waterproofing agent according to claim 5 comprising telechelic polymer, it is characterised in that (methyl)
It is a kind of that crylic acid hydroxy ester is selected from (methyl) hydroxy-ethyl acrylate, (methyl) hy-droxybutyl and the own ester of (methyl) acrylic acid hydroxyl
It is or a variety of；The polyisocyanates is selected from IPDI (IPDI), toluene di-isocyanate(TDI) (TDI), six Asias
Methyl diisocyanate (HDI), methyl diphenylene diisocyanate (MDI), HDI trimer, TDI tripolymers, MDI tripolymers
It is one or more；Low molecular weight diol is selected from molecular weight 100-1000 polyethylene glycol, polypropylene glycol, PTMG two
Alcohol, polyhexamethylene adipate glycol, polybutylene glyool adipate, polyneopentyl glycol adipate glycol, polycaprolactone
One or more in glycol, straight chained alkyl glycol；The end-capping reagent is selected from 3,5- dimethyl pyrazoles, diacetylmonoxime, phenol, the third two
One or more in diethyl phthalate.
7. the high-efficient, no-freon waterproofing agent according to claim 1 comprising telechelic polymer, it is characterised in that the pH regulations
Auxiliary agent includes acid or alkali or amino acid, and to be between 4~7 without fluoro water proofing agent pH value；The secondary solvent is selected from two
One or two kinds of mixtures of propane diols, tripropylene glycol.
8. the high-efficient, no-freon waterproofing agent according to claim 1 comprising telechelic polymer, it is characterised in that the initiator
One or more in persulfate, oil-soluble azo-initiator or water-soluble azo class initiator.
9. the high-efficient, no-freon waterproofing agent according to claim 8 comprising telechelic polymer, it is characterised in that the initiator
One or more in ammonium persulfate, azodiisobutyronitrile, azo-bis-isobutyrate hydrochloride.
10. the preparation method of the high-efficient, no-freon waterproofing agent according to claim 1 comprising telechelic polymer, it is characterised in that
Comprise the following steps：
(1) each component is well mixed and emulsified, obtained pre-emulsion, do not include initiator, water-soluble monomer and boiling in pre-emulsion
Material of the point less than emulsifying temperature；
(2) water-soluble monomer is first added to the pre-emulsion of step (1) acquisition, is well mixed.Then initiator is added and reacted, boiling
Point is disposably added less than the material of emulsifying temperature and is either gradually added, and system temperature is down to room temperature by reaction after terminating, mistake
Target product is obtained after filter.
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|---|---|---|---|
| CN201910831946.5A CN110485159B (en) | 2017-10-24 | 2017-10-24 | Process for preparing efficient fluorine-free water repellent comprising telechelic polymer |
| CN201710999754.6A CN107700214B (en) | 2017-10-24 | 2017-10-24 | Efficient fluorine-free water repellent containing telechelic polymer and preparation method thereof |
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| CN201910831946.5A Active CN110485159B (en) | 2017-10-24 | 2017-10-24 | Process for preparing efficient fluorine-free water repellent comprising telechelic polymer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763345A (en) * | 2018-12-20 | 2019-05-17 | 上海开米科技有限公司 | A kind of fabric free-floride spill resistant is spraying and preparation method thereof |
| CN110527014A (en) * | 2019-08-22 | 2019-12-03 | 浙江工业职业技术学院 | A kind of free-floride cationic polyacrylate waterproofing agent and preparation method thereof |
| US20220389153A1 (en) * | 2019-11-15 | 2022-12-08 | Basf Coatings Gmbh | A blocked polyisocyanate crosslinking agent, its preparation method and a coating composition comprising the same |
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| CN110485159B (en) | 2021-09-07 |
| CN107700214B (en) | 2019-12-24 |
| CN110485159A (en) | 2019-11-22 |
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