CN108330732A - One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant - Google Patents
One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant Download PDFInfo
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- CN108330732A CN108330732A CN201810094428.5A CN201810094428A CN108330732A CN 108330732 A CN108330732 A CN 108330732A CN 201810094428 A CN201810094428 A CN 201810094428A CN 108330732 A CN108330732 A CN 108330732A
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- Prior art keywords
- aqueous polyurethane
- polyurethanes
- polyurethane coating
- dispersions
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- 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
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant, comprise the following raw materials by weight percent：At least one polycarbonate modified dispersions of polyurethanes 50 80%, at least one polyether-type dumb light dispersions of polyurethanes 10 40%, the dimethyl silicone polymer dispersion liquid 0.1 2% of super high molecular weight, the epoxy silane 0.5 2% of low molecular weight, thickener 0.5 15%, antifoaming agent 0.1 1%, curing agent 2 4%；The raw material of polycarbonate modified dispersions of polyurethanes include polycarbonate glycol and 4, and 4` methyl diphenylene diisocyanates, polyether-type dumb light dispersions of polyurethanes, which is reacted by polyether polyol with isocyanates, to be obtained；The present invention compared with the existing technology, has good scratch resistance, weatherability, and mute degree is adjustable, solve overlay film paper be scratched in quick circulation and package printing is damaged in transit, caused defective products is led to the problem of.
Description
[technical field]
The present invention relates to aqueous polyurethane coating technical fields, specifically a kind of to have the function of that the mute degree of scratch resistant is adjustable
Aqueous polyurethane coating.
[background technology]
In recent years, popularizing with high-speed press, print speed printing speed is increasingly come soon, and common overlay film paper is fast
Speed circulation in be easily scratched, in addition package transport etc. on the way since relative motion will also result in the damage of printing, from
And ultimately cause the generation of defective products.Therefore, if can provide one kind having the function of scratch resistant and the mute adjustable aqueous polyurethane of degree
Coating, and solve the above problems, it will have very important significance.
[invention content]
Present invention aim to solve above-mentioned deficiency and providing a kind of having the function of that scratch resistant is mute and spend adjustable water
Property polyurethane coating, there is good scratch resistance, weatherability, and mute degree is adjustable, solve overlay film paper quilt in quick circulation
Printing is damaged in transit for scratch and package, and caused defective products is led to the problem of.
Design one kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant to achieve the above object, by following heavy
Measure the raw material composition of percentage：
Further, the raw material of the polycarbonate modified dispersions of polyurethanes include polycarbonate glycol and 4,4
`- methyl diphenylene diisocyanates.
Further, the preparation method of the polycarbonate modified dispersions of polyurethanes includes the following steps：It is reacting
Polycarbonate glycol is added in kettle, 4,4`- methyl diphenylene diisocyanates are added in dropping tank, hydrophilic chain extender dihydroxy is added
Methylpropanoic acid DMPA and chain extender, are persistently evacuated to negative pressure, and reaction kettle is warming up to set temperature, 4,4 are added dropwise after pressure stability
`- methyl diphenylene diisocyanates, control is dripped off in 2h, then sustained response 0.5h, is neutralized after supplementing nitrogen, and be cooled to
Room temperature adds water emulsification to get to polycarbonate modified dispersions of polyurethanes.
Further, the polyether-type dumb light dispersions of polyurethanes is reacted with isocyanates by polyether polyol and is obtained
It arrives, the dimethyl silicone polymer dispersion liquid of the super high molecular weight is used to improve the flatness and abrasion resistance of coating, described low
The epoxy silane of molecular weight is used to improve the degree of cross linking of coating and improves coating slipping and resistance to scraping.
Further, the thickener is association type polyurethane thickener.
Further, the antifoaming agent is molecular level acetylenediol class antifoaming agent, the molecular level acetylenediol class defoaming
Agent has 2 hydrophilic groups and 2~3 hydrophobic groups.
Further, the curing agent is aziridine hardener or isocyanate curing agent, after the curing agent is added
With 400-600 revs/min of stirring 30 minutes or more.
The present invention compared with the existing technology, by the optimization to formulation for coating material, selects suitable aqueous polyurethane dispersion
And coating additive, configuring one kind both having good scratch resistance, weatherability, and the mute adjustable aqueous polyurethane coating of degree, solution
Overlay film paper of having determined is scratched in quick circulation and package causes printing to damage on the way in transport etc., and caused is bad
Product are led to the problem of.
[specific implementation mode]
The present invention is made with reference to specific embodiment further explained below：
The present invention provides one kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant, by following weight percent
The raw material of ratio forms：At least one polycarbonate modified dispersions of polyurethanes 50-80%, the poly- ammonia of at least one polyether-type dumb light
The epoxy silane of ester dispersion 10-40%, the dimethyl silicone polymer dispersion liquid 0.1-2% of super high molecular weight, low molecular weight
0.5-2%, thickener 0.5-15%, antifoaming agent 0.1-1%, curing agent 2-4%.Its specific proportioning can be as follows：(1) at least one
Polycarbonate modified dispersions of polyurethanes 50%, at least one polyether-type dumb light dispersions of polyurethanes 30%, super high molecular weight
Dimethyl silicone polymer dispersion liquid 2%, low molecular weight epoxy silane 2%, thickener 12%, antifoaming agent 1%, curing agent
3%；(2) at least one polycarbonate modified dispersions of polyurethanes 80%, at least one polyether-type dumb light dispersions of polyurethanes
10%, the dimethyl silicone polymer dispersion liquid 0.1% of super high molecular weight, low molecular weight epoxy silane 0.5%, thickener
5.3%, antifoaming agent 0.1%, curing agent 4%；(3) at least one polycarbonate modified dispersions of polyurethanes 55%, at least one
The ring of kind polyether-type dumb light dispersions of polyurethanes 40%, the dimethyl silicone polymer dispersion liquid 1% of super high molecular weight, low molecular weight
Oxosilane 1%, thickener 0.5%, antifoaming agent 0.5%, curing agent 2%；(4) at least one polycarbonate modified polyurethane point
The dimethyl silicone polymer dispersion liquid of granular media 58%, at least one polyether-type dumb light dispersions of polyurethanes 20%, super high molecular weight
1.5%, epoxy silane 0.5%, thickener 15%, antifoaming agent 1%, the curing agent 4% of low molecular weight.
Wherein, for polycarbonate modified dispersions of polyurethanes by polycarbonate glycol and 4,4`- diphenyl methanes two are different
Cyanate synthesizes for main raw material(s)；The preparation method of the polycarbonate modified dispersions of polyurethanes includes following step
Suddenly：According to the proportioning calculated, polycarbonate glycol is added in reaction kettle, 4,4`- diphenyl methanes two are added in dropping tank
Hydrophilic chain extender dihydromethyl propionic acid (DMPA) and chain extender is added in isocyanates, is persistently evacuated to negative pressure, reaction kettle heating
To set temperature, 4,4`- methyl diphenylene diisocyanates are added dropwise after pressure stability, control is dripped off in 2h, then sustained response
0.5h is neutralized after supplementing nitrogen, and is cooled to room temperature, is added water emulsification, is obtained polycarbonate modified dispersions of polyurethanes.This is poly-
Carbonate polyurethane has excellent mechanical property, hydrolytic resistance, heat resistance, oxidative resistance and wearability.
In the present invention, polyether-type dumb light dispersions of polyurethanes, which is reacted by polyether polyol with isocyanates, to be obtained, and is gathered
Ether type dumb light polyurethane is a kind of material between ordinary rubber and plastics, its elongation is big, hardness is moderate, passes through tune
It is whole it ratio and above-mentioned polycarbonate modified dispersions of polyurethanes collective effect come be adjusted to need mute degree, mute degree model
It is trapped among 0.5-10 degree；The dimethyl silicone polymer dispersion liquid of super high molecular weight, the flatness for improving coating and abrasion resistance；
The epoxy silane of low molecular weight can be used as auxiliary type crosslinking agent in this coating, improve the degree of cross linking of coating, while can improve
Coating flows and levelling (eliminating surface defect) and raising slipping and resistance to scraping；Thickener thickens for association type polyurethane
Agent；Antifoaming agent is molecular level acetylenediol class antifoaming agent, has 2 hydrophilic groups and 2~3 hydrophobic groups, has both the control of wettability
Infusion and antifoaming agent；Curing agent is aziridine hardener or isocyanate curing agent, preceding addition is being used, with 400- after addition
600 revs/min, stir 30 minutes or more.
The present invention is simultaneously not limited to the embodiments described above, other any Spirit Essences and principle without departing from the present invention
Changes, modifications, substitutions, combinations, simplifications made by lower, should be equivalent substitute mode, be included in the protection model of the present invention
Within enclosing.
Claims (7)
1. one kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant, which is characterized in that by following weight percent
Raw material composition：
2. aqueous polyurethane coating as described in claim 1, it is characterised in that：The polycarbonate modified they
The raw material of body include polycarbonate glycol and 4,4`- methyl diphenylene diisocyanates.
3. aqueous polyurethane coating as claimed in claim 2, which is characterized in that the polycarbonate modified they
The preparation method of body includes the following steps：Polycarbonate glycol is added in reaction kettle, 4,4`- diphenylmethyls are added in dropping tank
Alkane diisocyanate is added hydrophilic chain extender dihydromethyl propionic acid DMPA and chain extender, is persistently evacuated to negative pressure, reaction kettle liter
4,4`- methyl diphenylene diisocyanates are added dropwise to set temperature in temperature after pressure stability, control is dripped off in 2h, then continue anti-
It answers 0.5h, is neutralized after supplementing nitrogen, and be cooled to room temperature, add water emulsification to get to polycarbonate modified dispersions of polyurethanes.
4. aqueous polyurethane coating as described in claim 1, it is characterised in that：The polyether-type dumb light dispersions of polyurethanes by
Polyether polyol is reacted with isocyanates to be obtained, and the dimethyl silicone polymer dispersion liquid of the super high molecular weight is for improving
The flatness and abrasion resistance of coating, the epoxy silane of the low molecular weight, which is used to improve the degree of cross linking of coating and improves, to be applied
Expect slipping and resistance to scraping.
5. aqueous polyurethane coating as described in claim 1, it is characterised in that：The thickener thickens for association type polyurethane
Agent.
6. aqueous polyurethane coating as described in claim 1, it is characterised in that：The antifoaming agent is molecular level acetylenediol class
Antifoaming agent, the molecular level acetylenediol class antifoaming agent have 2 hydrophilic groups and 2~3 hydrophobic groups.
7. aqueous polyurethane coating as described in claim 1, it is characterised in that：The curing agent be aziridine hardener or
Isocyanate curing agent, the curing agent be added after with 400-600 revs/min of stirring 30 minutes or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094428.5A CN108330732A (en) | 2018-01-31 | 2018-01-31 | One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094428.5A CN108330732A (en) | 2018-01-31 | 2018-01-31 | One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108330732A true CN108330732A (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094428.5A Pending CN108330732A (en) | 2018-01-31 | 2018-01-31 | One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111303740A (en) * | 2020-03-04 | 2020-06-19 | 广东通力定造股份有限公司 | Preparation method of high-gloss scratch-resistant water-based touch oil |
| CN111304958A (en) * | 2020-03-04 | 2020-06-19 | 广东通力定造股份有限公司 | Preparation method of matte scratch-resistant water-based touch oil |
| CN111763472A (en) * | 2020-07-27 | 2020-10-13 | 湖北楚之翼彩印有限责任公司 | Folding-resistant high-wear-resistant semi-matte waterborne polyurethane gloss oil |
| CN111944111A (en) * | 2019-04-30 | 2020-11-17 | 万华化学集团股份有限公司 | Aqueous self-extinction polyurethane dispersion, preparation method and composition thereof |
| CN112143273A (en) * | 2020-09-25 | 2020-12-29 | 苏州市贝特利高分子材料股份有限公司 | Water-based scratch-resistant matt varnish and preparation method thereof |
| CN112175218A (en) * | 2020-10-16 | 2021-01-05 | 吉安市佳泓新材料有限公司 | Non-plastic water-based resin film and preparation method thereof |
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| CN106752851A (en) * | 2017-03-09 | 2017-05-31 | 北京理工大学 | A kind of preparation method of the composite modified aqueous polyurethane matting resin of organic/inorganic silicon |
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| CN103865031A (en) * | 2014-03-18 | 2014-06-18 | 安庆昊业水性涂料有限公司 | Aqueous polyurethane matting resin |
| CN105176365A (en) * | 2015-09-28 | 2015-12-23 | 洋紫荆油墨(中山)有限公司 | High level resistance water-based matt varnishing for plastic film and preparation method of high level resistance water-based matt varnishing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944111A (en) * | 2019-04-30 | 2020-11-17 | 万华化学集团股份有限公司 | Aqueous self-extinction polyurethane dispersion, preparation method and composition thereof |
| CN111944111B (en) * | 2019-04-30 | 2022-04-22 | 万华化学集团股份有限公司 | Aqueous self-extinction polyurethane dispersion, preparation method and composition thereof |
| CN111303740A (en) * | 2020-03-04 | 2020-06-19 | 广东通力定造股份有限公司 | Preparation method of high-gloss scratch-resistant water-based touch oil |
| CN111304958A (en) * | 2020-03-04 | 2020-06-19 | 广东通力定造股份有限公司 | Preparation method of matte scratch-resistant water-based touch oil |
| CN111763472A (en) * | 2020-07-27 | 2020-10-13 | 湖北楚之翼彩印有限责任公司 | Folding-resistant high-wear-resistant semi-matte waterborne polyurethane gloss oil |
| CN112143273A (en) * | 2020-09-25 | 2020-12-29 | 苏州市贝特利高分子材料股份有限公司 | Water-based scratch-resistant matt varnish and preparation method thereof |
| CN112175218A (en) * | 2020-10-16 | 2021-01-05 | 吉安市佳泓新材料有限公司 | Non-plastic water-based resin film and preparation method thereof |
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