CN103342926A - Paint for polyolefin and preparation method thereof - Google Patents

Paint for polyolefin and preparation method thereof Download PDF

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Publication number
CN103342926A
CN103342926A CN 201310318011 CN201310318011A CN103342926A CN 103342926 A CN103342926 A CN 103342926A CN 201310318011 CN201310318011 CN 201310318011 CN 201310318011 A CN201310318011 A CN 201310318011A CN 103342926 A CN103342926 A CN 103342926A
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coating
polyolefinic
polyolefinic coating
water
component
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CN103342926B (en
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谈国华
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Anhui Footprint New Material Technology Co ltd
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JIANGSU ZUYI COATING CO Ltd
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Abstract

The invention discloses water-based double-component polyurethane finishing varnish and a preparation process thereof. The finishing varnish comprises a component A and a component B, wherein the component A comprises the following substances in percentage by mass: 72-80% of water-based acrylic resin, 0.2-0.5% of substrate wetting agent, 0.3-0.6% of thickening agent, 0.15-0.35% of pH regulator, 6-10% of cosolvent and 15-20% of water; and the component B is a curing agent. The water-based automobile finishing varnish disclosed by the invention is prepared by combining hydrophobic polybasic acid and polyalcohol; the relationship between the leveling property and the mass of the mixed components is especially favorable; the smaller the liquid drops dispersed in the water-based polyalcohol are, the higher the performance and luster of the cured varnish film are; and the mass of the finishing varnish is very suitable for being used for on-line automobile painting operation. According to the method disclosed by the invention, the defects of low room-temperature drying speed, not high hardness and low luster are solved; and the finishing varnish is environment-friendly, flame-retardant, high in room-temperature drying speed, high in hardness and favorable in luster.

Description

A kind of for polyolefinic coating and preparation method thereof
Technical field
The present invention relates to a kind of coating and preparation thereof, relate in particular to a kind of polyolefinic coating and preparation method thereof that is exclusively used in.
Background technology
Along with the automotive industry high speed development, automobile just develops towards lighting, intensive, ecology direction with novel material.Advantages such as polyolefine material is little owing to excellent mechanical property, easy-formation, proportion, price is low and reusable are widely used in automobile typical case component (collision bumper, dashboard, inside gadget etc.).Because the polyolefin alloy material surface energy is low, wetting ability is poor, usually adopt methods such as UV-irradiation, glow discharge, corona discharge, plasma gun processing and chromic acid processing that polyolefin plastics is carried out surface treatment at present, and then carry out application with coating, but poor effect.At the initial stage that the automotive plastic parts application is finished, general polyolefine can keep good adhesion property and weather resistance with coating, but along with vehicle uses for a long time, it is more and more serious that vehicle is subjected to the erosion meeting of the especially acid water quality of aqueous vapor.Therefore, coating is priming paint especially, must have the cohesive strength of the excellence that continues of medium ability such as excellent acid and alkali-resistance and plastic component.But, in recent years, existing polyolefine user coating, unstable properties can not satisfy polyolefin substrate application demand, is not suitable for the heavy industrialization application, and original chlorinated polyolefin resin that uses can not satisfy the construction of workability requirement, particularly inside gadget.
Because above-mentioned existing defective for polyolefinic coating existence, the inventor is based on being engaged in practical experience and the expertise that this type of product design manufacturing is enriched for many years, and the utilization of cooperation scientific principle, actively studied innovation, a kind of novel for polyolefinic coating in the hope of founding, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome existing defective for polyolefinic coating and preparation technology's existence thereof, and provide a kind of novel for polyolefinic coating and preparation technology thereof, antistatic, acid and alkali-resistance, workability are good, and preparation technology is simple, thereby be suitable for practicality more, and have the utility value on the industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the present invention propose a kind of for polyolefinic coating, described coating comprises following substances in parts by weight,
Aforesaid for polyolefinic coating, the acid of described unsaturated double-bond or acid anhydrides are the chlorinatedpolyolefins of sour modification.
Aforesaid for polyolefinic coating, described ester compound is chlorinatedpolyolefins alkane resin.
Aforesaid for polyolefinic coating, described filler is superfine talcum powder.
Aforesaid for polyolefinic coating, described cellulose ester is cellulose acetate butyrate 381-0.5.
Aforesaid for polyolefinic coating, described corrosion-inhibiting pigment is aluminium triphosphate, and described conducting pigment is graphitized carbon black.
Aforesaid for polyolefinic coating, described static inhibitor is rutile titanium dioxide.
Aforesaid for polyolefinic coating, described adhesion promoter is sour modified chlorinated alkene alkane.
Aforesaid for polyolefinic coating, described solvent is the mixture of N-BUTYL ACETATE and dimethylbenzene.
Prepare aforesaid this method of method for polyolefinic coating and comprise the steps,
(1) get the acid of chlorinated polypropylene, unsaturated double-bond or acid anhydrides, ester compound, Resins, epoxy is dissolved in the solvent, put into stirrer and stir;
(2) in the process that step (1) stirs, add filler, corrosion-inhibiting pigment, conducting pigment and static inhibitor gradually, after waiting to stir, join and be ground to fineness≤25um in the shredder;
(3) after to be ground the finishing, add cellulose ester, silane coupling agent and adhesion promoter successively, viscosity is adjusted in the back that stirs, and namely obtains target product.
By technique scheme, the present invention is used for polyolefinic coating and preparation technology has following advantage at least:
Of the present invention fast for polyolefinic coating surface drying, easily polishing, antistatic property is good, is zero level (cross-hatching) with substrate adhesion and supporting ply adhesion, and anti-boiling water, medium such as acidproof, alkaline-resisting are splendid, the workability excellence.
Color stuffing composite, that adopt excellent performance by several resins makes up, and is ground to suitable fineness, and finally the adjustment by viscosity obtains target product, and preparation technology is simple, and is easy to operate, and environmental friendliness is suitable for industrial application.
Stating bright only is the general introduction of technical solution of the present invention, for can clearer understanding technique means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention describe in detail as after.
Embodiment
Reach technique means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, be used for polyolefinic coating and preparation method thereof its embodiment, feature and effect thereof to what foundation the present invention proposed, describe in detail as after.
Embodiment 1
It is a kind of for polyolefinic coating that the present invention proposes, and comprises following substances in parts by weight,
Figure BDA00003568961900031
Prepare the method for polyolefinic coating of the present invention, comprise the steps,
Chlorinatedpolyolefins, 2% chlorinatedpolyolefins alkane resin, 2% Resins, epoxy of at first getting 10% chlorinated polypropylene, 2% sour modification is dissolved in the solvent that the mixture of 47% N-BUTYL ACETATE and dimethylbenzene forms, and puts into stirrer and stirs 20~30 minutes;
Then, in the process that stirs, add 10% superfine talcum powder filler, 5% aluminium triphosphate corrosion-inhibiting pigment, 4% graphitized carbon black and 10% rutile titanium dioxide static inhibitor gradually, after waiting to stir, join and be ground to fineness≤25um in the shredder;
At last, after to be ground the finishing, add 2% cellulose acetate butyrate 381-0.5 cellulose ester, 4% silane coupling agent and 2% sour modified chlorinated alkene alkane adhesion promoter successively, viscosity is adjusted in the back that stirs, and namely obtains target product.
Embodiment 2
It is a kind of for polyolefinic coating that the present invention proposes, and comprises following substances in parts by weight,
Figure BDA00003568961900051
Prepare the method for polyolefinic coating of the present invention, comprise the steps,
Chlorinatedpolyolefins, 1.5% chlorinatedpolyolefins alkane resin, 3% Resins, epoxy of at first getting 9% chlorinated polypropylene, 3% sour modification is dissolved in the solvent that the mixture of 47% N-BUTYL ACETATE and dimethylbenzene forms, and puts into stirrer and stirs 20~30 minutes;
Then, in the process that stirs, add 10% superfine talcum powder filler, 4% aluminium triphosphate corrosion-inhibiting pigment, 4% graphitized carbon black and 10% rutile titanium dioxide static inhibitor gradually, after waiting to stir, join and be ground to fineness≤25um in the shredder;
At last, after to be ground the finishing, add 2% cellulose acetate butyrate 381-0.5 cellulose ester, 4.5% silane coupling agent and 2% sour modified chlorinated alkene alkane adhesion promoter successively, viscosity is adjusted in the back that stirs, and namely obtains target product.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (10)

1. one kind is used for polyolefinic coating, and it is characterized in that: described coating comprises following substances in parts by weight
Chlorinated polypropylene 8 ~ 12%
The acid of unsaturated double-bond or acid anhydrides 2 ~ 3%
Ester compound 1.5 ~ 2%
Silane coupling agent 3 ~ 5%
Filler 9 ~ 11%
Cellulose ester 2 ~ 3%
Resins, epoxy 2 ~ 4%
Corrosion-inhibiting pigment 4 ~ 6%
Conducting pigment 3 ~ 5%
Static inhibitor 9 ~ 13%
Adhesion promoter 2 ~ 3%
Solvent 43 ~ 48%.
2. according to claim 1 for polyolefinic coating, it is characterized in that: the acid of described unsaturated double-bond or acid anhydrides are the chlorinatedpolyolefins of sour modification.
3. according to claim 1 for polyolefinic coating, it is characterized in that: described ester compound is chlorinatedpolyolefins alkane resin.
4. according to claim 1 for polyolefinic coating, it is characterized in that: described filler is superfine talcum powder.
5. according to claim 1 for polyolefinic coating, it is characterized in that: described cellulose ester is cellulose acetate butyrate 381-0.5.
6. according to claim 1 for polyolefinic coating, it is characterized in that: described corrosion-inhibiting pigment is aluminium triphosphate, and described conducting pigment is graphitized carbon black.
7. according to claim 1 for polyolefinic coating, it is characterized in that: described static inhibitor is rutile titanium dioxide.
8. according to claim 1 for polyolefinic coating, it is characterized in that: described adhesion promoter is sour modified chlorinated alkene alkane.
9. according to claim 1 for polyolefinic coating, it is characterized in that: described solvent is the mixture of N-BUTYL ACETATE and dimethylbenzene.
10. prepare each described method for polyolefinic coating of claim 1 ~ 9, it is characterized in that: this method comprises the steps,
(1) get the acid of chlorinated polypropylene, unsaturated double-bond or acid anhydrides, ester compound, Resins, epoxy is dissolved in the solvent, put into stirrer and stir;
(2) in the process that described step (1) stirs, add filler, corrosion-inhibiting pigment, conducting pigment and static inhibitor gradually, after waiting to stir, join and be ground to fineness≤25 um in the shredder;
(3) after to be ground the finishing, add cellulose ester, silane coupling agent and adhesion promoter successively, viscosity is adjusted in the back that stirs, and namely obtains target product.
CN201310318011.XA 2013-07-25 2013-07-25 Paint for polyolefin and preparation method thereof Active CN103342926B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103923546A (en) * 2014-05-08 2014-07-16 铁岭永新涂料有限公司 Matte black water-based plastic piece coating for automotive trim
CN103937361A (en) * 2014-03-21 2014-07-23 安徽蓝柯复合材料有限公司 Ageing resistant automobile coating and preparation method thereof
CN104263100A (en) * 2014-08-27 2015-01-07 南京市荣达树脂有限公司 Scratch-resistant automobile paint and preparation method thereof
CN104263190A (en) * 2014-08-27 2015-01-07 南京市荣达树脂有限公司 Insulating resin coating and preparation method thereof
CN104774502A (en) * 2015-04-29 2015-07-15 王金海 Plastic printing ink with acid-base resistance property and preparation method thereof
CN104789034A (en) * 2015-04-29 2015-07-22 王金海 UV-aging-resistant plastic ink and preparation method thereof
CN108329790A (en) * 2018-02-09 2018-07-27 苏州甫众塑胶有限公司 A kind of preparation method of makrolon high adhesion force wear-resistant paint
CN110724433A (en) * 2019-10-15 2020-01-24 江苏大亚新型包装材料有限公司 Antifouling weather-resistant protective coating for reaction kettle equipment and preparation method thereof
CN111154374A (en) * 2019-12-23 2020-05-15 广东东方一哥新材料股份有限公司 Aqueous alkali-resistant aluminum foil gloss oil and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0450701A1 (en) * 1990-04-05 1991-10-09 John L. Armitage & Co. Conductive coating composition
CN101260178B (en) * 2008-02-22 2010-12-15 常州南京大学高新技术研究院 Modified chlorinated polyolefin resin and preparing method thereof
CN101235239B (en) * 2008-02-22 2010-12-29 江苏足迹涂料有限公司 Special-purpose dope for polyolefin material
CN102086332B (en) * 2009-12-03 2013-05-15 立邦涂料(中国)有限公司 Coating composition for polyolefin substrate and coating and product thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103937361A (en) * 2014-03-21 2014-07-23 安徽蓝柯复合材料有限公司 Ageing resistant automobile coating and preparation method thereof
CN103923546A (en) * 2014-05-08 2014-07-16 铁岭永新涂料有限公司 Matte black water-based plastic piece coating for automotive trim
CN104263100A (en) * 2014-08-27 2015-01-07 南京市荣达树脂有限公司 Scratch-resistant automobile paint and preparation method thereof
CN104263190A (en) * 2014-08-27 2015-01-07 南京市荣达树脂有限公司 Insulating resin coating and preparation method thereof
CN104263100B (en) * 2014-08-27 2017-02-15 南京市荣达树脂有限公司 Scratch-resistant automobile paint and preparation method thereof
CN104774502A (en) * 2015-04-29 2015-07-15 王金海 Plastic printing ink with acid-base resistance property and preparation method thereof
CN104789034A (en) * 2015-04-29 2015-07-22 王金海 UV-aging-resistant plastic ink and preparation method thereof
CN108329790A (en) * 2018-02-09 2018-07-27 苏州甫众塑胶有限公司 A kind of preparation method of makrolon high adhesion force wear-resistant paint
CN110724433A (en) * 2019-10-15 2020-01-24 江苏大亚新型包装材料有限公司 Antifouling weather-resistant protective coating for reaction kettle equipment and preparation method thereof
CN110724433B (en) * 2019-10-15 2021-10-01 江苏大亚新型包装材料有限公司 Antifouling weather-resistant protective coating for reaction kettle equipment and preparation method thereof
CN111154374A (en) * 2019-12-23 2020-05-15 广东东方一哥新材料股份有限公司 Aqueous alkali-resistant aluminum foil gloss oil and preparation method thereof

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Effective date of registration: 20220412

Address after: No.8, Huangguan Road, high tech Zone, Anqing City, Anhui Province

Patentee after: Anhui footprint New Material Technology Co.,Ltd.

Address before: 213034, Changzhou, Jiangsu Province town of Jiang Zhang Industrial Park

Patentee before: JIANGSU FOOTMARK PAINT CO.,LTD.

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Address after: 213000 Baizhang, Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province

Patentee after: JIANGSU FOOTMARK PAINT CO.,LTD.

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Patentee before: Anhui footprint New Material Technology Co.,Ltd.

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Address after: No.8, Huangguan Road, high tech Zone, Anqing City, Anhui Province

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Application publication date: 20131009

Assignee: SHANGHAI KINLITA CHEMICAL CO.,LTD.

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Denomination of invention: A coating for polyolefins and its preparation method

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