CN104592875B - A kind of PU crack resistences based white primer and its manufacture craft - Google Patents

A kind of PU crack resistences based white primer and its manufacture craft Download PDF

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CN104592875B
CN104592875B CN201410839817.8A CN201410839817A CN104592875B CN 104592875 B CN104592875 B CN 104592875B CN 201410839817 A CN201410839817 A CN 201410839817A CN 104592875 B CN104592875 B CN 104592875B
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CN104592875A (en
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刘文革
蒋明友
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YINGDE YAJIA PAINT Co Ltd
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YINGDE YAJIA PAINT Co Ltd
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    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/002—Priming paints
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • 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
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
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Abstract

The invention discloses a kind of PU crack resistences based white primer and its manufacture craft, by modified synthesis fatty resin, organobentonite is starched, modified adhesive force auxiliary agent, defoamer is added sequentially in dispersion cylinder, rotating speed is adjusted to 1000r/min, and scattered 5 8min, after being uniformly dispersed, add rutile titanium white powder, rotating speed is adjusted to 1500r/min, carry out scattered 15 20min, keep invariablenes turning speed, sequentially add zinc stearate, special painting powder, talcum powder, and scattered 10min, rotating speed is adjusted to 1000r/min, sequentially add levelling agent, secondary butyl ester, delay agent, and scattered 5min, .The present invention has excellent anti-cracking performance, can adapt to severe cold and hot and dry and wet environment, and does not contain " triphen " class material, environmentally friendly.

Description

A kind of PU crack resistences based white primer and its manufacture craft
Technical field
The present invention relates to crack resistence based white primer preparation field, and in particular to a kind of PU crack resistences based white primer and its making work Skill.
Background technology
Polyurethane (PU) coating is a kind of coating more typical at present, can be divided into bicomponent polyurethane coating and one pack system Polyurethane coating.Bicomponent polyurethane coating is usually by isocyanate prepolymer (being also low molecule urethane polymer) Formed with hydroxy-containing resin two parts, commonly referred to as curing agent component and host component.The various types of this kind of coating, application Scope is also very wide, can be divided into acroleic acid polyurethane, alcohol acid and polyurethane, polyester-polyurethane, polyethers according to the difference of hydroxy-containing component The kinds such as polyurethane, epoxy polyurethane.Typically all there is good mechanical performance, higher solids content, the performance of each side It is all relatively good.It has the following advantages that：(1) compared with other paint kind of site operation, under same rigidity, due to the effect of hydrogen bond, PU paint films Elongation at break highest；(2) protectiveness and dicoration are had concurrently；(3) paint film adhesion is good；(4) paint film has excellent resistance toization Learn medicine, acid and alkali resistance, salt, oil product；(5) can dry, also can low-temperature setting, can construction seasons length；(6) can with it is a variety of Film forming matter coordinates painting, many kinds can be made according to different requirements.It is a kind of painting item rising at present Kind, main application direction has woodwork coating, automobile repairing paint, anticorrosive paint, floor paint, electronic paint, sapecial coating, poly- ammonia Ester water-repellent paint etc..
At present, the PU based white primers on woodcare paint are applied, due to southern and more excessive than the seasonal climate difference in the north, and During the replacement in the four seasons, in the severe ring that the low temperature and low humidity for being subjected to the southern hot and humid and northern winter of summer is dried Under the test of border condition, the PU based white primers after construction are often cracked, influence the attractive in appearance of furniture, shorten PU based white primers Service life.
In the Chinese patent of Application No. " 201310740823.3 ", entitled " a kind of PU based white primers and its leaching are disclosed The patent of invention of coating method ", the composition in its PU based white primer mainly include castor oil modified short oil-ity alcohol acid resin, titanium white The compositions such as powder, transparent powder and aerosil so that the PU based white primers in invention effectively prevent in work progress disconnected curtain, Dodge the appearance of curtain, meet showering requirement, to a certain extent for possess and have the anti-performance to ftracture, still, done solid work in construction Afterwards, when being subjected to adverse circumstances test, it is possible that cracking phenomena.
The content of the invention
In order to solve after existing PU based white primers do solid work, under the cycling condition of adverse circumstances, the cracking situation of paint film, The invention discloses a kind of PU crack resistences based white primer and its manufacture technology, has excellent anti-cracking performance, can adapt to severe Cold and hot and dry and wet environment, and do not contain " triphen " class material, it is environmentally friendly.
A kind of PU crack resistences based white primer, it is characterised in that be mainly made up of by weight percentage following raw material：Modified synthesis Fatty resin 30-40, organobentonite slurry 7, modified adhesive force auxiliary agent 1-3, defoamer 0.1, rutile titanium white powder 13, stearic acid Zinc 2.5, special painting powder 28-38, talcum powder 5, levelling agent 0.1, secondary butyl ester 3.1, delay agent 0.2；Described special painting powder For calcium carbonate and the mixture of magnesium silicate.
More preferably, a kind of PU crack resistences based white primer, is mainly made up of following raw material by weight percentage：Modified synthesis fat Resin 32, organobentonite slurry 7, modified adhesive force auxiliary agent 1, defoamer 0.1, rutile titanium white powder 13, zinc stearate 2.5 are special Painting powder 36, talcum powder 5, levelling agent 0.1, secondary butyl ester 3.1, delay agent 0.2.
Preferably, described delay agent is a kind of sodium compound.
A kind of manufacture craft of PU crack resistences based white primer, is made by following processing step：
(1) by modified synthesis fatty resin, organobentonite slurry, modified adhesive force auxiliary agent, defoamer is added sequentially to point Dissipate in cylinder, rotating speed is adjusted to 1000r/min, and scattered 5-8min；
(2) after the component of step (1) is uniformly dispersed, rutile titanium white powder is added, rotating speed is adjusted to 1500r/min, entered The scattered 15-20min of row；
(3) invariablenes turning speed is kept, sequentially adds zinc stearate, special painting powder, talcum powder, and scattered 10min；
(4) finally, rotating speed is adjusted to 1000r/min, sequentially adds levelling agent, secondary butyl ester, delay agent, and scattered 5min, .
It is an advantage of the invention that：Modified synthesis fatty resin in present component has the characteristic of high-solid lower-viscosity, in phase Oil suction degree is big with the conditions of so that powder oil absorption diminishes under the same conditions, adds the oil content of based white primer, effectively prevent Cracking；Modified adhesive force auxiliary agent can promote resin reaction, be effectively improved the pliability of based white primer；In special painting powder The mixture oil absorption of calcium carbonate and magnesium silicate is small so that oil absorption diminishes based white primer under the same conditions, increases the oil of formula Degree, improve pliability；In addition, " triphen " class material is not contained in the composition of the paint of the present invention, it is environmentally friendly.
Embodiment
The invention discloses a kind of PU crack resistences based white primer and its manufacture technology, has excellent anti-cracking performance, can Severe cold and hot and dry and wet environment is adapted to, and does not contain " triphen " class material, it is environmentally friendly.
The technical scheme in the present invention will be clearly and completely described below, it is clear that described is only this hair Bright part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having There is the every other embodiment obtained on the premise of making creative work, belong to the scope of protection of the invention.
In following examples practicality to raw material be commercially available, in the case of no specified otherwise, unit is (kg)：
Embodiment 1
By 35 parts of modified synthesis fatty resins, 7 parts of organobentonite slurries, 1 part of modified adhesive force auxiliary agent, 0.1 part of defoamer It is added sequentially in dispersion cylinder, rotating speed is adjusted to 1000r/min, and scattered 5min, after said components are uniformly dispersed, adds 13 Part rutile titanium white powder, 1500r/min is adjusted to by rotating speed, is carried out scattered 18min, is then kept invariablenes turning speed, sequentially add 2.5 Part zinc stearate, 35 parts of special painting powder, described special painting powder are the mixture of calcium carbonate and magnesium silicate, 5 parts of talcum powder, And scattered 10min, finally, rotating speed is adjusted to 1000r/min, sequentially adds 0.1 part of levelling agent, 3.1 secondary butyl esters, 0.2 part of delay Agent, the delay agent are a kind of sodium compound, and scattered 5min, you can.
Embodiment 2
By 38 parts of modified synthesis fatty resins, 7 parts of organobentonite slurries, 2 parts of modified adhesive force auxiliary agents, 0.1 part of defoamer It is added sequentially in dispersion cylinder, rotating speed is adjusted to 1000r/min, and scattered 6min, after said components are uniformly dispersed, adds 13 Part rutile titanium white powder, 1500r/min is adjusted to by rotating speed, is carried out scattered 20min, is then kept invariablenes turning speed, sequentially add 2.5 Part zinc stearate, 30 parts of special painting powder, described special painting powder are the mixture of calcium carbonate and magnesium silicate, 5 parts of talcum powder, And scattered 10min, finally, rotating speed is adjusted to 1000r/min, sequentially adds 0.1 part of levelling agent, 3.1 secondary butyl esters, 0.2 part of delay Agent, the delay agent are a kind of sodium compound, and scattered 5min, you can.
Embodiment 3
By 32 parts of modified synthesis fatty resins, 7 parts of organobentonite slurries, 1 part of modified adhesive force auxiliary agent, 0.1 part of defoamer It is added sequentially in dispersion cylinder, rotating speed is adjusted to 1000r/min, and scattered 8min, after said components are uniformly dispersed, adds 13 Part rutile titanium white powder, 1500r/min is adjusted to by rotating speed, is carried out scattered 15min, is then kept invariablenes turning speed, sequentially add 2.5 Part zinc stearate, 36 parts of special painting powder, described special painting powder are the mixture of calcium carbonate and magnesium silicate, 5 parts of talcum powder, And scattered 10min, finally, rotating speed is adjusted to 1000r/min, sequentially adds 0.1 part of levelling agent, 3.1 secondary butyl esters, 0.2 part of delay Agent, the delay agent are a kind of sodium compound, and scattered 5min, you can.
By the PU based white primer samples obtained by above-described embodiment, the testing performance index for doing correlation is as follows：
(1) crack resistence test condition：Test environment range of temperature is -20 DEG C to 50 DEG C, gradually changes temperature, goes forward side by side 10 cold cyclings of row, then carry out the performance indications detection of correlation：
(2) test result and coherent detection index such as table 1 below：
Table 1
By above example, it is an advantage of the invention that：Modified synthesis fatty resin in present component has The characteristic of high-solid lower-viscosity, oil suction degree is big under the same conditions so that powder oil absorption diminishes under the same conditions, adds white background The oil content of paint, it effectively prevent cracking；Modified adhesive force auxiliary agent can promote resin reaction, be effectively improved the soft of based white primer Toughness；The mixture oil absorption of calcium carbonate and magnesium silicate in special painting powder is small so that based white primer oil suction under the same conditions Amount diminishes, and increases the oil content of formula, improves pliability；In addition, " triphen " class material is not contained in the composition of the paint of the present invention, It is environmentally friendly.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (4)

1. a kind of PU crack resistences based white primer, it is characterised in that be mainly made up of by weight percentage following raw material：Modified synthesis fat Fatty resin 30-40, organobentonite slurry 7, modified adhesive force auxiliary agent 1-3, defoamer 0.1, rutile titanium white powder 13, zinc stearate 2.5, special painting powder 28-38, talcum powder 5, levelling agent 0.1, secondary butyl ester 3.1, delay agent 0.2；Described special painting powder is The mixture of calcium carbonate and magnesium silicate.
2. a kind of PU crack resistences based white primer according to claim 1, it is characterised in that by weight percentage mainly by following Raw material forms：Modified synthesis fatty resin 32, organobentonite slurry 7, modified adhesive force auxiliary agent 1, defoamer 0.1, rutile titanium White powder 13, zinc stearate 2.5, special painting powder 36, talcum powder 5, levelling agent 0.1, secondary butyl ester 3.1, delay agent 0.2.
3. a kind of PU crack resistences based white primer according to claim 1, it is characterised in that described delay agent is a kind of sodium Compound.
4. a kind of PU crack resistences based white primer according to claims 1 to 3 any one, it is characterised in that by following technique Step is made：
(1) modified synthesis fatty resin, organobentonite slurry, modified adhesive force auxiliary agent, defoamer are added sequentially to dispersion cylinder In, rotating speed is adjusted to 1000r/min, and scattered 5-8min；
(2) after the component of step (1) is uniformly dispersed, rutile titanium white powder is added, rotating speed is adjusted to 1500r/min, divided Dissipate 15-20min；
(3) invariablenes turning speed is kept, sequentially adds zinc stearate, special painting powder, talcum powder, and scattered 10min；
(4) finally, rotating speed is adjusted to 1000r/min, sequentially adds levelling agent, secondary butyl ester, delay agent, and scattered 5min, you can.
CN201410839817.8A 2014-12-30 2014-12-30 A kind of PU crack resistences based white primer and its manufacture craft Active CN104592875B (en)

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CN103224604A (en) * 2013-04-23 2013-07-31 久盛地板有限公司 Modified epoxy acrylate and paint for wood underground heat floor prepared by the modified epoxy acrylate

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CN102898938B (en) * 2012-11-20 2014-11-19 成都展辰化工有限公司 White paint special for polyurethane hard expanded polystyrene
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