CN110483719A - PU sprays smooth semi-matte outermost layer of skin resin and preparation method thereof - Google Patents
PU sprays smooth semi-matte outermost layer of skin resin and preparation method thereof Download PDFInfo
- Publication number
- CN110483719A CN110483719A CN201910903501.3A CN201910903501A CN110483719A CN 110483719 A CN110483719 A CN 110483719A CN 201910903501 A CN201910903501 A CN 201910903501A CN 110483719 A CN110483719 A CN 110483719A
- Authority
- CN
- China
- Prior art keywords
- parts
- outermost layer
- matte
- added
- sprays
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/61—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses PU to spray smooth semi-matte outermost layer of skin resin and preparation method thereof, and it includes weight components that PU, which sprays smooth semi-matte outermost layer of skin resin: 4.4 parts of antioxidant, 3.5 parts of hydroxy silicon oil, 83.5 parts of chain extender, polyalcohol 438, methyl diphenylene diisocyanate 460, smooth 15 parts of the hand feeling agent of thickening, 1354 parts of dimethylformamide, 263 parts of butanone, 283 parts of toluene, 109 parts of butyl ester；PU sprays the preparation method of smooth semi-matte outermost layer of skin resin, comprising the following steps: S1: antioxidant, hydroxy silicon oil, polyalcohol, methyl diphenylene diisocyanate, chain extender are mixed with dimethylformamide；S2: methyl diphenylene diisocyanate is added；S3: dimethylformamide, butanone, toluene and chain extender is added；S4: it is added and viscosifies smooth hand feeling agent, butyl ester, butanone and toluene.The present invention can solve the problem of that the water suction whiting of the polyurethane coating outermost layer of skin can be solved by occurring drawing crack loss of gloss in the case where using settling off.
Description
Technical field
The present invention relates to outermost layer of skin resin technology field, specially a kind of PU sprays smooth semi-matte outermost layer of skin resin.
The present invention relates to outermost layer of skin resin technology field, specially a kind of PU sprays the preparation side of smooth semi-matte outermost layer of skin resin
Method.
Background technique
For synthetic leather at present in all alternative corium in various fields, physical good, the resistance to tortuous, softness of synthetic leather, stretch-proof are strong
Degree is big, and also has certain gas permeability, and synthetic leather surface need to improve its surface color, gloss, feel with some inorganic agents.
Synthetic leather surface treating agent can carry out top finishing according to the classification of product, can improve the bright of synthetic leather
Degree, color and feel, however, not only to increase as color and feel requirement of the consumer to leather surface is higher and higher
The sense of touch of synthetic leather will also guarantee brightness and the color on synthetic leather surface etc., and existing surface treating agent cannot expire
Sufficient consumer to the brightness of synthetic leather and the increasingly increased requirement of feel, therefore be badly in need of one kind can improve synthetic leather sense of touch and
The feel of synthetic leather, the inorganic agent of the resultant effects such as brightness, gloss can be improved, outermost layer of skin PU leather can be divided into the processing outermost layer of skin and spraying
Outermost layer of skin PU leather, general PU leather sprayed coating is the nitrocotton outermost layer of skin in the market, but the nitrocotton outermost layer of skin is in 1 square metre of area
Usage amount reaches 50g, it may appear that the shortcomings that drawing crack and loss of gloss, is unable to satisfy the demand of people.
Summary of the invention
The purpose of the present invention is to provide PU to spray smooth semi-matte outermost layer of skin resin and preparation method thereof, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: PU sprays smooth semi-matte outermost layer of skin resin, including under
Column components by weight percent: 4.4 parts of antioxidant, 3.5 parts of hydroxy silicon oil, 83.5 parts of chain extender, polyalcohol 438, diphenyl methane two are different
Cyanate 460, smooth 15 parts of the hand feeling agent of thickening, 1354 parts of dimethylformamide, 263 parts of butanone, 283 parts of toluene, butyl ester 109
Part.
Preferably, the antioxidant is catalysts.
Preferably, the chain extender is 72 molecular weight EG-- chain extenders.
Preferably, the polyalcohol is 700 molecular weight.
Preferably, the methyl diphenylene diisocyanate is 255 molecular weight.
PU sprays the preparation method of smooth semi-matte outermost layer of skin resin, comprising the following steps:
S1: mixed resin, 4.4 parts of antioxidant, 3.5 parts of hydroxy silicon oil, 438 parts of polyalcohol, diphenyl methane two is different
28.4 parts of cyanate, 81 parts of chain extender are mixed with 1137 parts of dimethylformamide is added reaction kettle stirring；
S2: being added methyl diphenylene diisocyanate, and diphenyl methane two is repeatedly added in segmentation in the reaction kettle in S1
Isocyanates stirs in 75-85 DEG C of environment, stops that diphenyl methane is added when product viscosity 1000-1500mpas
Diisocyanate；
S3: being added dimethylformamide, butanone, toluene and chain extender, and in the environment of 75-85 DEG C, dimethyl methyl is added
218 parts of amide, 87 parts of butanone, 174 parts of toluene and 2.5 parts of chain extender, it is lasting to stir；
S4: being added and viscosify smooth hand feeling agent, butyl ester, butanone and toluene, is cooled to 50 DEG C and increases hereinafter, being added into reaction kettle
Stick-slip feel well 15 parts of hand feeling agent, 110 parts of butyl ester, 174 parts of butanone be stirred with 109 parts of toluene.
Preferably, in S1, for the internal temperature control of reaction kettle at 35-40 DEG C, the reaction time is 70 minutes.
Preferably, in S4, viscosifying smooth hand feeling agent is the both sexes of water oil, and viscosifies smooth hand feeling agent and stop in low-temp reaction
Later it adds.
Compared with prior art, the present invention adjusts 255 molecular weight methyl diphenylene diisocyanates of nco value by the later period
For stopped reaction, the viscosity of product can be ajusted；The collocation of dimethylformamide, 4 kinds of butanone, toluene and butyl ester solvents can guarantee
The dissolving power and waterproof ability of product；The reasonable addition of dimethylformamide can guarantee that PU sprays smooth semi-matte outermost layer of skin resin
Dissolving power, the smooth hand feeling agent of thickening of water oil both sexes can make product have smooth feel, and overall combination can be solved using coating
There is the problem of drawing crack, loss of gloss in the case where excessive, can also solve the problems, such as the water suction of the polyurethane coating outermost layer of skin, whiting.
Detailed description of the invention
Fig. 1 is holistic approach flow diagram of the invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one:
The present invention provides a kind of technical solution: PU sprays smooth semi-matte outermost layer of skin resin, including weight components: antioxygen
4.4 parts of agent, 3.5 parts of hydroxy silicon oil, 83.5 parts of chain extender, polyalcohol 438, methyl diphenylene diisocyanate 460, thickening are slided
Refreshing 15 parts of hand feeling agent, 1354 parts of dimethylformamide, 263 parts of butanone, 283 parts of toluene, 109 parts of butyl ester, the antioxidant are
Catalysts, the chain extender are 72 molecular weight EG-- chain extenders, and the polyalcohol is 700 molecular weight, the diphenylmethyl
Alkane diisocyanate is 255 molecular weight.
PU sprays the preparation method of smooth semi-matte outermost layer of skin resin, comprising the following steps:
S1: mixed resin, 4.4 parts of antioxidant, 3.5 parts of hydroxy silicon oil, 438 parts of polyalcohol, diphenyl methane two is different
28.4 parts of cyanate, 81 parts of chain extender are mixed with 1137 parts of dimethylformamide is added reaction kettle stirring, the inside temperature of reaction kettle
At 35-40 DEG C, the reaction time is 70 minutes for degree control；
S2: being added methyl diphenylene diisocyanate, and diphenyl methane two is repeatedly added in segmentation in the reaction kettle in S1
Isocyanates stirs in 75-85 DEG C of environment, stops that diphenyl methane is added when product viscosity 1000-1500mpas
Diisocyanate；
S3: being added dimethylformamide, butanone, toluene and chain extender, and in the environment of 75-85 DEG C, dimethyl methyl is added
218 parts of amide, 87 parts of butanone, 174 parts of toluene and 2.5 parts of chain extender, it is lasting to stir；
S4: being added and viscosify smooth hand feeling agent, butyl ester, butanone and toluene, is cooled to 50 DEG C and increases hereinafter, being added into reaction kettle
Stick-slip feel well 15 parts of hand feeling agent, 110 parts of butyl ester, 174 parts of butanone be stirred with 109 parts of toluene, viscosify smooth hand feeling agent be water oil
Both sexes, and viscosify smooth hand feeling agent and added after low-temp reaction stops.
Present invention is generally directed to PU to spray smooth semi-matte outermost layer of skin resin and preparation method thereof, adjust nco value by the later period
255 molecular weight methyl diphenylene diisocyanates be used for stopped reaction, the viscosity of product can be ajusted；Dimethylformamide, fourth
The collocation of 4 kinds of ketone, toluene and butyl ester solvents can guarantee the dissolving power and waterproof ability of product；The reasonable addition of dimethylformamide
It can guarantee that PU sprays the dissolving power of smooth semi-matte outermost layer of skin resin, the smooth hand feeling agent of thickening of water oil both sexes can be such that product has
Smooth feel, overall combination can solve the problems, such as occur drawing crack, loss of gloss in the case where using settling off, can also solve polyurethane
The problem of spraying outermost layer of skin water suction, whiting.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1.PU sprays smooth semi-matte outermost layer of skin resin, which is characterized in that including weight components: 4.4 parts of antioxidant, hydroxyl
3.5 parts of silicone oil, 83.5 parts of chain extender, polyalcohol 438,460 parts of methyl diphenylene diisocyanate, the smooth hand feeling agent 15 of thickening
Part, 1354 parts of dimethylformamide, 263 parts of butanone, 283 parts of toluene, 109 parts of butyl ester.
2. PU according to claim 1 sprays smooth semi-matte outermost layer of skin resin, it is characterised in that: the antioxidant is that reaction is urged
Agent.
3. PU according to claim 1 sprays smooth semi-matte outermost layer of skin resin, it is characterised in that: the chain extender is 72 molecular weight
EG-- chain extender.
4. PU according to claim 1 sprays smooth semi-matte outermost layer of skin resin, it is characterised in that: the polyalcohol is 700 molecules
Amount.
5. PU according to claim 1 sprays smooth semi-matte outermost layer of skin resin, it is characterised in that: two isocyanide of diphenyl methane
Acid esters is 255 molecular weight.
6.PU sprays the preparation method of smooth semi-matte outermost layer of skin resin, which comprises the following steps:
S1: mixed resin, by 4.4 parts of antioxidant, 3.5 parts of hydroxy silicon oil, 438 parts of polyalcohol, diphenylmethane diisocyanate
28.4 parts of ester, 81 parts of chain extender are mixed with 1137 parts of dimethylformamide is added reaction kettle stirring；
S2: being added methyl diphenylene diisocyanate, and two isocyanide of diphenyl methane is repeatedly added in segmentation in the reaction kettle in S1
Acid esters stirs in 75-85 DEG C of environment, and it is different to stop addition diphenyl methane two when product viscosity 1000-1500mpas
Cyanate；
S3: being added dimethylformamide, butanone, toluene and chain extender, and in the environment of 75-85 DEG C, dimethylformamide is added
218 parts, 87 parts of butanone, 174 parts of toluene and 2.5 parts of chain extender, it is lasting to stir；
S4: being added and viscosify smooth hand feeling agent, butyl ester, butanone and toluene, is cooled to 50 DEG C and slides hereinafter, thickening is added into reaction kettle
Refreshing 15 parts of hand feeling agent, 110 parts of butyl ester, 174 parts of butanone be stirred with 109 parts of toluene.
7. the preparation method that PU according to claim 6 sprays smooth semi-matte outermost layer of skin resin, it is characterised in that: in S1, instead
Answer the internal temperature control of kettle at 35-40 DEG C, the reaction time is 70 minutes.
8. the preparation method that PU according to claim 6 sprays smooth semi-matte outermost layer of skin resin, it is characterised in that: in S4, increase
Stick-slip feels well hand feeling agent as the both sexes of water oil, and viscosifies smooth hand feeling agent and add after low-temp reaction stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903501.3A CN110483719A (en) | 2019-09-24 | 2019-09-24 | PU sprays smooth semi-matte outermost layer of skin resin and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903501.3A CN110483719A (en) | 2019-09-24 | 2019-09-24 | PU sprays smooth semi-matte outermost layer of skin resin and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110483719A true CN110483719A (en) | 2019-11-22 |
Family
ID=68559084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910903501.3A Withdrawn CN110483719A (en) | 2019-09-24 | 2019-09-24 | PU sprays smooth semi-matte outermost layer of skin resin and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110483719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845684A (en) * | 2019-11-29 | 2020-02-28 | 江苏宝泽高分子材料股份有限公司 | Preparation method of bonding material for ecological synthetic leather and bonding material |
-
2019
- 2019-09-24 CN CN201910903501.3A patent/CN110483719A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845684A (en) * | 2019-11-29 | 2020-02-28 | 江苏宝泽高分子材料股份有限公司 | Preparation method of bonding material for ecological synthetic leather and bonding material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107903357B (en) | Fluorine-containing polyurethane modified acrylic acid water-based resin and preparation method thereof | |
| CN103726330B (en) | Use for synthetic leather is high temperature resistant super black and misty finishing agent | |
| CN103724583B (en) | Synthetic leather is high temperature resistant super black and misty treatment agent aliphatic polyurethane resin and preparation method thereof | |
| CN106366291B (en) | A kind of self-emulsifying type anion aqueous polyurethane curing agent and preparation method thereof | |
| CN107974156A (en) | A kind of environment-friendly water-based stripping lacquer of automobile using and its preparation method and application | |
| CN107936814B (en) | POSS (polyhedral oligomeric silsesquioxane) modified high-hardness polyurethane odor-free wood lacquer | |
| CN104031233A (en) | Acrylic polyurethane emulsion as well as preparation method and application thereof | |
| CN104278530A (en) | Modified polypropylene carbonate based polyurethane water-based coating agent applied to leather and preparation method of water-based coating agent | |
| CN109294314A (en) | A kind of epoxy acrylic cathode electrophoresis dope resin emulsion and preparation method thereof | |
| CN103965715A (en) | Water-based glass coating | |
| CN104945590A (en) | Hydroxyl-terminal modified polyurethane resin, electrophoretic coating composition thereof and preparation methods of hydroxyl-terminal modified polyurethane resin and electrophoretic coating composition | |
| CN110078868A (en) | A kind of synthetic method of silane-modified water-borne polyurethane-acrylate resin | |
| CN110483719A (en) | PU sprays smooth semi-matte outermost layer of skin resin and preparation method thereof | |
| CN102733198B (en) | Water-based polyurethane varnish and method for preparing same | |
| CN105907285A (en) | Polyurethane terrace paint with super wear resistance | |
| CN103319641A (en) | Water-based hydroxyl fluorosilicone acrylic resin as well as preparation method and application thereof | |
| CN102533087A (en) | Polyurethane primer and preparation method thereof | |
| CN113999367A (en) | Stain-resistant UV-curable aqueous polyurethane acrylate dispersion and preparation method thereof | |
| CN109575225B (en) | Graphene oxide modified curing agent, polyurethane coating, and preparation method and application thereof | |
| CN109385193A (en) | A kind of good aqueous plastic coating and preparation method thereof of adhesion | |
| CN102409331A (en) | Chitosan modified surface treatment liquid for galvanized color-coated board and preparation method thereof | |
| CN109651583A (en) | A kind of fluororesin modified ester-polyurethane resin emulsion of the acrylic acid that high rigidity is water-fast | |
| CN109293872A (en) | A kind of polyurethane special type curing agent of anti-scratching wearproof and its preparation method and application | |
| CN112280450A (en) | PVC artificial leather water-based color-changing treatment agent and preparation method thereof | |
| JP2016113610A (en) | Soft feel coating composition for one time coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191122 |
|
| WW01 | Invention patent application withdrawn after publication |