CN108219661A - A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and preparation method thereof - Google Patents
A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and preparation method thereof Download PDFInfo
- Publication number
- CN108219661A CN108219661A CN201711481721.9A CN201711481721A CN108219661A CN 108219661 A CN108219661 A CN 108219661A CN 201711481721 A CN201711481721 A CN 201711481721A CN 108219661 A CN108219661 A CN 108219661A
- Authority
- CN
- China
- Prior art keywords
- parts
- net
- foaming
- tastes
- extra
- 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.)
- Pending
Links
Classifications
-
- 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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of high anti-foaming Extra-clear transparent primers of the net tastes of PU, are 1 including weight ratio:0.5:0.6 0.8 first, second, the third component；The first component includes net 70 80 parts of taste alkyd resin, 0.1 0.3 parts of dispersant, 0.8 1.2 parts of antifoaming agent, 0.05 0.15 parts of organotin drier, cyclohexanone 1.5 2.5,0.4 0.6 parts of aerosil, 6 10 parts of talcum powder, 46 parts of zinc stearate, 26 parts of propylene glycol methyl ether acetate, 24 parts of nitrocotton liquid, 1.9 2.6 parts of butyl acetate；The component B includes 25 35 parts of 25 35 parts of butyl acetate, 35 45 parts of TDI addition products and TDI tripolymers；Third component includes 10 20 parts of 35 45 parts of butyl acetate, 40 50 parts of dimethylbenzene and propylene glycol methyl ether acetate.The net taste environmental protection of the high anti-foaming Extra-clear transparent primer of the net tastes of PU of the present invention, hardness is high, adhesive force is good, flexibility is good, chemical resistance is good, and especially suitable for deep conduit solid wood base material and the external coating of paster ground, paint film is not blistering, and anti-sag resistance is good.
Description
Technical field
The invention belongs to technical field of coatings more particularly to a kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and its preparations
Method.
Background technology
Existing wooden articles are mostly using the transparent primary coats of PE or UV, and color and luster is inflexible, and stereovision three-dimensional sense is very poor.Compare
For, PU priming paint color and lusters are fresh and alive, and decoration sense is strong, thus is gradually favored by market.However, routine PU priming paint is easy to foaming, it is special
It is not particularly evident on being influenced when there is the wood product surface of relatively deep wooden eye to carry out application, easily because wooden eye absorption can not be eliminated
Bubble and there is pin hole, flake bubble, sink or the paint marketings such as protuberance, routine PU priming paint toughness and transparent bad in addition, and
Smell is big, slow drying speed, seriously affects decorative effect, construction efficiency and site environment.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of high anti-foaming Extra-clear transparent primer of net tastes of PU and its system
Preparation Method.
To achieve these goals, the present invention uses following technical scheme：
A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU, including first, second, the third component, the first, second, the third component weight
Amount is than being 1:0.5:0.6-0.8；
Above-mentioned first component includes following raw material by weight percentage：Net 70-80 parts of taste alkyd resin, dispersant 0.1-
0.3 part, 0.8-1.2 parts of antifoaming agent, 0.05-0.15 parts of organotin drier, 1.5-2.5 parts of cyclohexanone, aerosil
0.4-0.6 parts, 6-10 parts of talcum powder, 4-6 parts of zinc stearate, 2-6 parts of propylene glycol methyl ether acetate, 2-4 parts of nitrocotton liquid and vinegar
1.9-2.6 parts of acid butyl ester；
Component B includes following raw material by weight percentage：25-35 parts of butyl acetate, 35-45 parts of TDI addition products and
25-35 parts of TDI tripolymers；
Third component includes following raw material by weight percentage：35-45 parts of butyl acetate, 40-50 parts of dimethylbenzene and third
10-20 parts of glycol methyl ether acetate.
Preferably, the net taste alkyd resin is the net taste alkyd resin of short oil, and solid content 65-75%, acid value (presses
Solid part)≤12mgKOH/g, hydroxyl value 150-170mgKOH/g, viscosity is 40000-60000CPS/25 DEG C, has dry speed
The characteristics of degree is fast, construction smell is low, and paint film parches rear net taste, can take into account levelability and rate of drying.In addition its strand has
Certain degree of grafting and hydroxy radical content, the paint film crosslink density obtained after being reacted with curing agent is moderate, have excellent intensity with
Toughness.
Further, a preferred embodiment of the invention, the net taste alkyd resin are selected from state's new material
The net taste alkyd resin of short oil that the trade mark of Co., Ltd's production is TP3870.
Preferably, it is Bayer 1351 that the TDI addition products, which are Bayer L-75, TDI tripolymer,.
Preferably, the zinc stearate is selected from import zinc stearate PLB, dispersant BYK102, antifoaming agent AC270；
Wherein, zinc stearate PLB brokenly bubbles are fast, are not easy foam stabilizing, and AC270 suds are very strong, the two compounding can generate collaboration defoaming,
Suds effect, along with BYK102 is to substrate wetting good, three, which arranges in pairs or groups, to be used, and the generation of bubble can be contained from root,
Even if producing a small amount of bubble at deep conduit, can also eliminate rapidly.
Preferably, the aerosil is R-972, and talcum powder grain size is 1250 mesh.
Preferably, the nitrocotton liquid is the butyl acetate solution of 1/4 nitrocotton, and the mass fraction of wherein nitrocotton is
40-60%, dryness and good leveling property, energy quick release solvent, and the residence time of solvent is reduced, be conducive to improve curing speed
Rate obtains net taste paint film.
Further, the nitrocotton liquid is prepared by the following method to obtain：By 40-60 parts by weight acetic acid butyl ester input point
Cylinder is dissipated, 1/4 nitrocotton of 40-60 parts by weight is slowly put under the rotating speed of 500-800r/min, with turning for 800-1000r/min
Speed stirring 15-20min, until material is completely dissolved.
A kind of method for preparing the high anti-foaming Extra-clear transparent primer of the net tastes of above-mentioned PU, includes the following steps：
(1) prepared by first component：Raw material is weighed by weight, and net taste alkyd resin, dispersant, antifoaming agent, organotin are urged
Dry agent and cyclohexanone put into dispersion cylinder successively, and the high-speed stirred 10-15min under the rotating speed of 1000-1500r/min adjusts rotating speed
To 500-800r/min, aerosil, talcum powder and zinc stearate are put into successively, a small amount of butyl acetate is added in and cleans and shovel
Dynamic cylinder side, it is ensured that powder not bound edge, not conglomeration；Then rotating speed is adjusted to 1200-1500r/min, high speed dispersion 10-15min, inspection
Fineness is surveyed, sequentially adds propylene glycol methyl ether acetate and nitrocotton liquid, the moderate-speed mixer 8- under the rotating speed of 800-1000r/min
10min adds in remaining butyl acetate and adjusts viscosity；
(2) prepared by component B：Raw material is weighed by weight, and butyl acetate, TDI addition products and TDI tripolymers are thrown successively
Enter dispersion cylinder, the moderate-speed mixer 8-15min under the rotating speed of 800-1200r/min；
It is prepared by (3) third components：Weigh raw material by weight, by butyl acetate, dimethylbenzene and propylene glycol methyl ether acetate according to
Secondary input dispersion cylinder, the moderate-speed mixer 8-15min under the rotating speed of 800-1200r/min；
(4) paint：It is 1 by weight by first, second, the third component:0.5:0.6-0.8 is uniformly mixed, and obtains finished product.
Preferably, in the step (1), fineness≤45 μm, viscosity is controlled at 15000-20000CPS/25 DEG C.
Preferably, in the step (2), second component solid content obtained is 44-46%, NCO=7.05-8.05.
Beneficial effects of the present invention：The present invention is using net taste alkyd resin and high performance zinc stearate, dispersant, defoaming
Agent and the collocation of nitrocotton liquid use, and have many advantages, such as that net taste, transparency are high, adhesive force is good, flexibility is good, especially with highly resistance
Foaming characteristic and easy grinability are a comprehensive performances especially suitable for deep conduit solid wood base material and the external coating of paster ground
Excellent environment-friendly type coating meets the requirement of standard GB/T/T 23997.
Specific embodiment
With reference to specific embodiment, the present invention will be described in detail.
In following embodiment, the trade mark that net taste alkyd resin is selected from the production of Guo Hua new materials Co., Ltd is the short of TP3870
The net taste alkyd resin of oil content；TDI addition products are Bayer L-75；TDI tripolymers are Bayer 1351；Zinc stearate is selected from the hard ester of import
Sour zinc PLB；Aerosil is R-972；Dispersant is BYK102；Antifoaming agent is AC270；Nitrocotton liquid is 1/4 nitrocotton
Butyl acetate solution, wherein the mass fraction of nitrocotton be 50%.
Embodiment 1-3
Table 1 is the formula of the high anti-foaming Extra-clear transparent primer of the net tastes of PU of embodiment 1-3.
Table 1
Raw material is weighed by the formula of table 1, the preparation method of the high anti-foaming Extra-clear transparent primer of the net tastes of the PU is as follows：
(1) prepared by nitrocotton liquid：50 parts by weight acetic acid butyl esters are put into dispersion cylinder, are slowly thrown under the rotating speed of 600r/min
Enter 1/4 nitrocotton of 50 parts by weight, 20min is stirred with the rotating speed of 800r/min, until material is completely dissolved；
(2) prepared by first component：A1-A5 materials are put into dispersion cylinder successively, the high-speed stirred under the rotating speed of 1500r/min
12min adjusts rotating speed to 600r/min, puts into B1-B3 materials successively, add in C1 materials and clean and shovel cylinder side, it is ensured that powder
Not bound edge, not conglomeration；Then rotating speed is adjusted to 1500r/min, high speed dispersion 10min, detects fineness, it is ensured that fineness≤45 μm,
D1 and D2 (nitrocotton liquid made from step (1)) material are sequentially added, the moderate-speed mixer 10min under the rotating speed of 1000r/min is used
E1 materials adjust viscosity to 15000-20000CPS/25 DEG C；
(3) prepared by component B：F1-F3 materials are put into dispersion cylinder successively, the moderate-speed mixer under the rotating speed of 1000r/min
10min makes solid contain for 44-46%, NCO=7.05~8.05；
It is prepared by (4) third components：G1-G3 materials are put into dispersion cylinder successively, the moderate-speed mixer under the rotating speed of 1000r/min
10min；
(5) paint：It is 1 by weight by first, second, the third component:0.5:0.6 is uniformly mixed, and obtains finished product.
The embodiment 1-3 products prepared are tested according to the performance requirement of national standard GB/T 23997, as a result such as 2 institute of table
Show.
Table 2
By taking embodiment 1 as an example, the product of the present invention is compared with similar product on the market, the results are shown in Table 3.
Table 3
By data above it is found that the net taste environmental protection of the high anti-foaming Extra-clear transparent primer of the net tastes of PU of the present invention, hardness height, attachment
Power is good, flexibility is good, chemical resistance is good, and when construction can go deep into the wood grain and pore of solid wood and paster, and paint film is not blistering, anti-sag
Property is good.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail, a variety of equivalent substitutes that those skilled in the art carries out within the scope of the technical concept of the present invention or simple become
Type mode, all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU, which is characterized in that including first, second, the third component；
Wherein, first component includes following raw material by weight percentage：
Net 70-80 parts of taste alkyd resin, 0.1-0.3 parts of dispersant, 0.8-1.2 parts of antifoaming agent, organotin drier 0.05-0.15
Part, 1.5-2.5 parts of cyclohexanone, 0.4-0.6 parts of aerosil, 6-10 parts of talcum powder, 4-6 parts of zinc stearate, propylene glycol first
1.9-2.6 parts of 2-6 parts of ether acetate, 2-4 parts of nitrocotton liquid and butyl acetate；
Component B includes following raw material by weight percentage：
25-35 parts of 25-35 parts of butyl acetate, 35-45 parts of TDI addition products and TDI tripolymers；
Third component includes following raw material by weight percentage：
10-20 parts of 35-45 parts of butyl acetate, 40-50 parts of dimethylbenzene and propylene glycol methyl ether acetate；
The first, second, the weight ratio of the third component are 1:0.5:0.6-0.8.
2. the high anti-foaming Extra-clear transparent primer of the net tastes of PU according to claim 1, which is characterized in that the net taste alkyd tree
Fat is the net taste alkyd resin of short oil, solid content 65-75%, acid value (by solid part)≤12mgKOH/g, hydroxyl value 150-
170mgKOH/g, viscosity are 40000-60000CPS/25 DEG C.
3. the high anti-foaming Extra-clear transparent primer of the net tastes of PU according to claim 1, which is characterized in that the TDI addition products
For Bayer L-75, TDI tripolymers are Bayer 1351.
4. the high anti-foaming Extra-clear transparent primer of the net tastes of PU according to claim 1, which is characterized in that the zinc stearate choosing
From import zinc stearate PLB, dispersant BYK102, antifoaming agent AC270.
5. the high anti-foaming Extra-clear transparent primer of the net tastes of PU according to claim 1, which is characterized in that the gas phase titanium dioxide
Silicon is R-972, and talcum powder grain size is 1250 mesh.
6. the high anti-foaming Extra-clear transparent primer of the net tastes of PU according to claim 1, which is characterized in that the nitrocotton liquid is
The butyl acetate solution of 1/4 nitrocotton, the wherein mass fraction of nitrocotton are 40-60%.
7. the high anti-foaming Extra-clear transparent primer of the net tastes of PU according to claim 1, which is characterized in that the nitrocotton liquid leads to
Following methods are crossed to be prepared：40-60 parts by weight acetic acid butyl ester is put into dispersion cylinder, under the rotating speed of 500-800r/min slowly
1/4 nitrocotton of 40-60 parts by weight is put into, 15-20min is stirred with the rotating speed of 800-1000r/min, until material is completely dissolved i.e.
It can.
8. a kind of method of the high anti-foaming Extra-clear transparent primer of the net tastes of PU prepared described in any one of claim 1-7, special
Sign is, includes the following steps：
(1) prepared by first component：Raw material is weighed by weight, by net taste alkyd resin, dispersant, antifoaming agent, organotin drier
Put into dispersion cylinder successively with cyclohexanone, the high-speed stirred 10-15min under the rotating speed of 1000-1500r/min, adjust rotating speed to
500-800r/min puts into aerosil, talcum powder and zinc stearate, adds in a small amount of butyl acetate and clean and shovel successively
Cylinder side, it is ensured that powder not bound edge, not conglomeration；Then rotating speed is adjusted to 1200-1500r/min, high speed dispersion 10-15min, detection
Fineness sequentially adds propylene glycol methyl ether acetate and nitrocotton liquid, the moderate-speed mixer 8- under the rotating speed of 800-1000r/min
10min adds in remaining butyl acetate and adjusts viscosity；
(2) prepared by component B：Raw material is weighed by weight, and butyl acetate, TDI addition products and TDI tripolymers are put into point successively
Dissipate cylinder, the moderate-speed mixer 8-15min under the rotating speed of 800-1200r/min；
It is prepared by (3) third components：Raw material is weighed by weight, and butyl acetate, dimethylbenzene and propylene glycol methyl ether acetate are thrown successively
Enter dispersion cylinder, the moderate-speed mixer 8-15min under the rotating speed of 800-1200r/min；
(4) paint：It is 1 by weight by first, second, the third component:0.5:0.6-0.8 is uniformly mixed, and obtains finished product.
9. preparation method according to claim 8, which is characterized in that in the step (1), fineness≤45 μm, viscosity control
System is at 15000-20000CPS/25 DEG C.
10. preparation method according to claim 8, which is characterized in that in the step (2), second component obtained contains admittedly
It measures as 44-46%, NCO=7.05-8.05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481721.9A CN108219661A (en) | 2017-12-29 | 2017-12-29 | A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481721.9A CN108219661A (en) | 2017-12-29 | 2017-12-29 | A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108219661A true CN108219661A (en) | 2018-06-29 |
Family
ID=62646349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481721.9A Pending CN108219661A (en) | 2017-12-29 | 2017-12-29 | A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108219661A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977014A (en) * | 2018-08-09 | 2018-12-11 | 中山市大涂料有限公司 | A kind of PU transparent priming and preparation method thereof |
| CN110157326A (en) * | 2019-06-12 | 2019-08-23 | 东莞大宝化工制品有限公司 | A kind of high temperature-proof blistering PU transparent priming and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533094A (en) * | 2011-12-20 | 2012-07-04 | 东莞大宝化工制品有限公司 | Transparent polyurethane primer for coating with three-dimensional effect of production line and preparation method thereof |
| CN103305113A (en) * | 2013-06-28 | 2013-09-18 | 广东花王涂料有限公司 | Anti-sinking PU extra-clear primer and preparation method thereof |
| CN104559745A (en) * | 2014-12-29 | 2015-04-29 | 上海巴德士化工新材料有限公司 | Environment-friendly, odor-less and high-gloss white PU (polyurethane) primer with good sinking resistance, low odor and high whiteness |
-
2017
- 2017-12-29 CN CN201711481721.9A patent/CN108219661A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533094A (en) * | 2011-12-20 | 2012-07-04 | 东莞大宝化工制品有限公司 | Transparent polyurethane primer for coating with three-dimensional effect of production line and preparation method thereof |
| CN103305113A (en) * | 2013-06-28 | 2013-09-18 | 广东花王涂料有限公司 | Anti-sinking PU extra-clear primer and preparation method thereof |
| CN104559745A (en) * | 2014-12-29 | 2015-04-29 | 上海巴德士化工新材料有限公司 | Environment-friendly, odor-less and high-gloss white PU (polyurethane) primer with good sinking resistance, low odor and high whiteness |
Non-Patent Citations (1)
| Title |
|---|
| 李庆军等: "《汽车车身修复及涂装技术》", 31 August 2008, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977014A (en) * | 2018-08-09 | 2018-12-11 | 中山市大涂料有限公司 | A kind of PU transparent priming and preparation method thereof |
| CN110157326A (en) * | 2019-06-12 | 2019-08-23 | 东莞大宝化工制品有限公司 | A kind of high temperature-proof blistering PU transparent priming and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101157813B (en) | Electroplating effect imitated plastic paint and preparation method, diluent and process of using same | |
| CN105802477B (en) | A kind of environment-friendly water-based paint and preparation method thereof | |
| CN103937402B (en) | A kind of preparation method of scratch-resistant polyurethane woodenware light black flour paint | |
| CN102618126A (en) | Nitrocellulose transparent primer and application thereof | |
| CN106675269B (en) | A kind of aqueous antique artistic paint and preparation method thereof | |
| CN103756530A (en) | High-flexibility anti-cracking primer and preparation method thereof | |
| CN105505167A (en) | Waterborne bi-component bright white finish and application thereof | |
| CN106147566A (en) | A kind of extraordinary terrace aqueous polyurethane Asia light varnish product and preparation method thereof and application | |
| CN104004444B (en) | A kind of unsaturated polyester varnish and using method thereof | |
| CN108047834A (en) | A kind of easily orientation, high performance fluorine silicon composite water soluble aluminium paint and preparation method thereof | |
| CN108690439A (en) | A kind of aqueous anti-muscle transparent priming and preparation method thereof that rises of pine | |
| CN103483995A (en) | PE (polyethylene) light varnish and preparation method thereof | |
| CN108219661A (en) | A kind of high anti-foaming Extra-clear transparent primer of the net tastes of PU and preparation method thereof | |
| CN108219652A (en) | A kind of aqueous double-component finishing coat and preparation method thereof | |
| CN103409059A (en) | Polyurethane crack lacquer and preparation method thereof | |
| CN106752540A (en) | A kind of high rigidity, wear-resistant aqueous woodware paint and preparation method thereof | |
| CN107858048A (en) | A kind of high glaze aqueous wooden ware gloss varnish and preparation method thereof | |
| CN108047912A (en) | A kind of extra-weather-proof low VOC buses colored paint and preparation method thereof | |
| CN104194593B (en) | A kind of super resistance to water artificial stony edema transfer coating varnish and preparation and application thereof | |
| CN107828326A (en) | A kind of high richness minute surface gloss varnish of collapse and its preparation technology | |
| CN104610824B (en) | Water-based shower-coated super matte toning finishing coat | |
| CN108359338A (en) | A kind of Self-leveling varnish and preparation method thereof that high can glue spraying | |
| CN104559620A (en) | PU matte color repairing golden oil and preparation process thereof | |
| CN107446491A (en) | A kind of anti-flake bubble Thief zone prevents sagging polyurethane woodenware priming paint | |
| CN106010206A (en) | Full odor-free anti-expansion transparent priming paint and preparation method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |