CN106349914B - A kind of PVC leather aqueous matte surface finishing agent and preparation method thereof - Google Patents
A kind of PVC leather aqueous matte surface finishing agent and preparation method thereof Download PDFInfo
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- CN106349914B CN106349914B CN201610718214.1A CN201610718214A CN106349914B CN 106349914 B CN106349914 B CN 106349914B CN 201610718214 A CN201610718214 A CN 201610718214A CN 106349914 B CN106349914 B CN 106349914B
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- 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
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
- C14C11/006—Surface finishing of leather using macromolecular compounds using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Paints Or Removers (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The present invention relates to a kind of PVC leather aqueous matte surface finishing agents and preparation method thereof.Include following components: waterborne polyurethane resin, water, silica flatting silica, polysiloxanes aqueous dispersion, waterborne wax emulsion, aqueous wetting agent, aqueous defoamer, thickener.The invention further relates to the PVC leather preparation methods of aqueous matte surface finishing agent.The aqueous matte surface finishing agent of PVC leather disclosed in this invention, atomized surface effect is good, and thick and heavy skin sense is good, resistant, aqueous, environmental protective, while adhesive force is good, scratch resistance, resistance to tortuous, resistance to jungle；It is able to satisfy in home decoration, household electrical appliances, furniture, automobile interior decoration etc. to increasingly higher demands such as skin senses and resistant.
Description
Technical field
The present invention relates to a kind of PVC leather surface treating agents, in particular to a kind of to be applied to PVC leather surface aftertreatment technology
The aqueous matte skin feel treatment agent of PVC leather, further relate to the PVC leather preparation method of aqueous matte skin feel treatment agent.
Background technique
PVC leather is light, water-fast, at low cost, therefore is widely used in production clothes, shoes and hats, luggage, furniture, ornament and various
Industry accessories.Due to joined the materials such as a large amount of plasticizer when producing PVC artificial leather, so that the PVC artificial leather produced
No matter gloss, feel are all not ideal enough.Leather must be surface-treated in the production process of leather, assign leather surface
The effect of the comfortable feel, beautiful appearance and scratch resistance, resistance to pure and mild resistant such as smooth, soft, dumb light.Existing PVC leather table
Surface treatment agent is mostly agent at solvent type PU table, because taste is big, can remain that DMF, toluene, butanone etc. are toxic to be had through the leather at table
Evil substance, with the increase of people's environmental consciousness, the limitation of national policy, agent is gradually exiting city at solvent type PVC leather table
?.And agent at existing aqueous PVC leather dumb light table, some adhesive force are insufficient, wear-resisting very poor, scratch resistance is poor, some dullness are inadequate
Low, blackness or thoroughly degree are not enough.Agent is difficult to meet in home decoration, household electrical appliances, furniture, automobile at simple coarse feel PVC leather table
The increasingly higher demands such as interior trim.
Illustrate that a kind of scratch resistance resists the sliding high dumb light PVC decorative Film of dirty silk in publication 201520563468.1,
Involved in a kind of scratch resistance resist the sliding high dumb light PVC feel coating of dirty silk, dullness is far not achieved in industry high in 5-10
The atomized surface effect of dumb light and high blackness.
Illustrated in publication 201310028041.7 it is a kind of for PVC artificial leather surface treatment aqueous treatment agent and its
Preparation method still needs to not accomplish environmental protection using solvent, and the production method which is proposed, Stability of Slurry is very poor, sinks
Layering of forming sediment is serious, and slurry standing time limits to very much.
A kind of calendering PVC leather aqueous matte surface finishing agent and its preparation side are illustrated in publication 201110249673.7
Method is PU resin compounding fumed silica, by the patent way, compounds pulp using all types of PU resins being previously mentioned
Material, experimental result are shown in very puckery in feel, mention that provide hand to touch sense of fullness and quality exquisiteness sense be not scientific in the patent
's；And the patent selects polyurethane associative thickener to will cause slurry layering, deficient in stability, to lack practical application valence
Value.In the patent in cited specific embodiment, for dullness 8, such case cannot can be regarded as matte surface finishing agent.
A kind of aqueous PU polishing treatment agent of use for synthetic leather and preparation method thereof is illustrated in publication 201110174579.X,
It is formulated by waterborne polyurethane resin gloss oil, modified polyurethane emulsion, wax emulsion, silica flatting silica, organosilicon levelling agent,
Organic silicon defoamer, aqueous polyurethane thickener and water composition, which is a kind of polishing treatment agent, and being after processing need to be through throwing
The bright face effect of light.
Illustrate that a kind of water-based PU matte surface finishing agent for synthetic leather, formula have aqueous in publication 200910212603.7
Polyurethane resin, water, silicon modified organic polymer, organosilicon levelling agent, organic silicon defoamer, aqueous polyurethane thickener and change
Property organosilicon flatting silica composition, which is water-based PU matte surface finishing agent for synthetic leather, because in PVC leather contain a large amount of plasticizer, institute
PVC leather is not suitable for it.
A kind of skin sense polyurethane leather surface inorganic agent and preparation method thereof is illustrated in publication 201310113085.X,
The surface treating agent is the common skin sense leather surface treatment agent of solvent type.
Calendering PVC leather aqueous surface-treating agent is elaborated in publication 201110249656.3, which is suitable for
The aqueous surface-treating agent of the PVC leather of rolling process.
Therefore, it is necessary to develop a kind of new aqueous matte surface finishing agent of PVC leather, atomized surface effect is good, and thick and heavy skin sense is good, resistance to
Dirty, environmental protection, while adhesive force is good, scratch resistance, resistance to tortuous, resistance to jungle；It is able to satisfy in home decoration, household electrical appliances, furniture, automobile interior decoration
Deng to increasingly higher demands such as skin sense and resistants.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned defects in the prior art, provide a kind of PVC leather aqueous matte surface finishing agent, mist
Face effect is good, adhesive force is good, scratch resistance, resistance to tortuous, resistance to jungle, resistant, and the kishke feel effect with the thoughts and feelings sense of thick and heavy skin.
The preparation method it is another object of the present invention to provide the PVC leather aqueous matte surface finishing agent, should
Preparation method is simple, does not use solvent, safety and environmental protection.
To achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of aqueous matte surface finishing agent of PVC leather, which is characterized in that include following components: waterborne polyurethane resin, water,
Silica flatting silica, polysiloxanes aqueous dispersion, waterborne wax emulsion, aqueous wetting agent, aqueous defoamer and thickener.
As a kind of perferred technical scheme, the aqueous matte surface finishing agent of PVC leather of the invention includes following parts by weight
Component:
30~35 parts by weight of waterborne polyurethane resin, preferably 31~33 parts by weight, 40~50 parts by weight of water, preferably 43~48
Parts by weight, 3~5 parts by weight of silica flatting silica, preferably 3.4~4.5 parts by weight, 3~5 weight of polysiloxanes aqueous dispersion
Part, preferably 3.6~4.7 parts by weight, waterborne wax emulsion 5~10, preferably 6~9 parts by weight, aqueous wetting agent 0.1~0.5, weight
Part, preferably 0.2~0.4 parts by weight, 0.1~0.5 parts by weight of aqueous defoamer, preferably 0.2~0.4 parts by weight, thickener 0.5~
1 parts by weight, preferably 0.6~0.8 parts by weight.
In the present invention, the waterborne polyurethane resin is using in aromatics, aliphatic and alicyclic polyisocyanates
It is one or more with polyester-diol polyurethane resin generated.Preferably, the aromatic polyisocyanate is TDI, rouge
Fat race polyisocyanates is HDI, and alicyclic polyisocyanates are H12MDI and IPDI, more preferable H12The compounding of MDI and HDI,
Middle H12The mass ratio of MDI and HDI, between 7:3, can obtain better flexibility in 3:7.
In the present invention, the polyester-diol is polycaprolactone diols, polyhexamethylene carbonic ester dihydric alcohol, polyadipate
Neopentyl glycol ester dihydric alcohol, polyadipate -1,6- hexylene glycol ester dihydric alcohol, polyadipate -1,2-PD ester dihydric alcohol, gather oneself
Diacid diglycol ester dihydric alcohol, polyneopentyl glycol adipate dihydric alcohol, polyadipate ethylene glycol and a contracting diethyl two
Alcohol atactic polyester dihydric alcohol, polyadipate ethylene glycol and propylene glycol atactic polyester dihydric alcohol, polyadipate ethylene glycol and fourth
Glycol atactic polyester dihydric alcohol, one of polyadipate hexylene glycol and neopentyl glycol atactic polyester dihydric alcohol or a variety of.
It is preferred that polycaprolactone diols, polyadipate -1,6- hexylene glycol ester dihydric alcohol, polyhexamethylene carbonic ester dihydric alcohol and polyadipate
One of hexylene glycol and neopentyl glycol atactic polyester dihydric alcohol are a variety of；More preferable polyadipate hexylene glycol and neopentyl glycol
Atactic polyester dihydric alcohol, wherein the mass ratio of hexylene glycol and neopentyl glycol in 3:7 between 7:3, because of its better segment
Regular and acquisition crystallinity, oil resistivity and stability to hydrolysis resistance show its preferable plasticizer-resistant in PVC leather and permeate, is attached
Put forth effort and cloudy surface is lasting.
In the present invention, the number-average molecular weight of the polyester-diol is between 600-3000, the preferred molecule of 1000-2000
Amount.
In the present invention, the silica flatting silica is fumed silica, precipitated silica and gel method two
Silica it is one or more.
In the present invention, the waterborne wax emulsion is aqueous polyethylene wax emulsion, aqueous palm wax emulsion and aqueous paraffin cream
One of liquid or mostly in；It is required that wax emulsion fusing point is between 52-102 degree.The waterborne wax emulsion that this patent is selected, high temperature drying
When wax melting migrate to PVC leather surface, form chondritic when to be cooled, be evenly distributed on one layer of surface, because wax fusing point is high, this
Body is hard, to have a kind of feel illusion effect of the thick and heavy skin sense of the weight of thickness, and because its surface tension and polarity are low, have compared with
Good resistant effect.
In the present invention, the polysiloxanes aqueous dispersion is the polyethers emulsification polysiloxanes that molecular weight is 20,000-110 ten thousand
Aqueous dispersion；The polysiloxanes aqueous dispersion makes polysiloxane structure be easier to discharge in heated drying, obtains more preferable lubrication
Sense of touch.
In the present invention, the aqueous wetting agent is one of acrylic copolymer and organo-silicon compound or a variety of.
In the present invention, the aqueous defoamer is silicone emulsion, the fatty acid ester compounded object of higher alcohols, polyoxyethylene polyoxy
Any one of propylene pentaerythrite ether.
In the present invention, the thickener is alkali swollen thickener, one of hydroxyethyl cellulose and bentonite or more
Kind；The wherein preferred acrylic compounds alkali swollen thickener of alkali swollen thickener.The used thickener of the prior art is aqueous polyurethane
Association thickener, the thickener only thicken the hydrophobic structures such as polyurethane molecular, without substances such as viscous waters；Slurry at 1 day and
In the above placement process, it may appear that be obviously layered and divide water, practical application has significant limitations, and the thickener that the present invention uses can
Viscous water, it is not in layering or water-separation that inorganic agent is placed for a long time.
A kind of PVC leather preparation method of aqueous matte surface finishing agent, it includes following steps:
Step 1: waterborne polyurethane resin, silica flatting silica, aqueous defoamer, aqueous wetting agent, water being stirred mixed
It closes uniform；
Step 2: 1 gained mixture of filtration step；
Step 3: polysiloxanes aqueous dispersion, waterborne wax emulsion and thickening is added in gained mixture after to step 2 filtering
Agent stirs evenly up to the aqueous matte surface finishing agent of the PVC leather.
In preparation method of the present invention, mixing time is 1-2 hours in step 1.
The inorganic agent placement half a year that the present invention obtains does not settle, and performance is stablized, and does not occur the bad phenomenons such as whiting at table.It adopts
With the technical solution, which has the advantages that compared with prior art
1, PVC leather of the invention is water with the solvent of aqueous matte surface finishing agent, is not related to other organic solvents, has peace
Entirely, environmental protection, do not burn, special performance at low cost.
2, the aqueous polyurethane selected in inventive formulation compares polyethers two using polyester-type dihydric alcohol as primary raw material
Alcohol has better plasticizer-resistant ability, to realize inorganic agent preferable adhesive force in PVC base, by waterborne wax emulsion and gathers
The compounding of aqueous siloxane granular media obtains the effect of the thick and heavy skin sense of cloudy surface.
3, PVC leather of the invention has the thick and heavy skin sense feel and resistant effect of kishke feel with aqueous matte surface finishing agent,
Atomized surface effect is good, adhesive force is good simultaneously, scratch resistance, resistance to tortuous, resistance to jungle, is able to satisfy in home decoration, household electrical appliances, furniture, automobile
Interior trim etc. is to increasingly higher demands such as skin sense and resistants.Extremely low, black and white plate gloss value is black less than 1 with dullness for finished product
Degree is spent thoroughly；Resistance to normal low temperature deflects and resistance to jungle in the case of guaranteeing goth black, special mist, thoroughly degree and adhesive force.
Specific embodiment
Below by embodiment, technical solution of the present invention is described in detail, but protection scope of the present invention not office
It is limited to the embodiment.
Product used in embodiment:
ACEMATT 3300 (surface treated fumed silica flatting silica, Average Particle Diameters are as follows: 9.5um d50,
(laser diffractometry), Evonik Degussa Corp.)
ACEMATT TS100 (not surface treated fumed silica flatting silica, Average Particle Diameters are as follows: 9.5um
D50, (laser diffractometry), Evonik Degussa Corp.)
ACEMATT OK520 (the precipitated silica flatting silica of general organic surface treatment, Average Particle Diameters are as follows:
6.5um d50, (laser diffractometry), Evonik Degussa Corp.)
(molecular weight emulsifies polysiloxanes aqueous dispersion in the polyethers of 100-110 ten thousand to Silok 9184, and Si Luoke chemistry is public
Department)
Silok 50 (polyethers of the molecular weight in 30-40 ten thousand emulsifies polysiloxanes aqueous dispersion, Si Luoke chemical company)
Silok9146 (polyethers of the molecular weight in 3-5 ten thousand emulsifies polysiloxanes aqueous dispersion, Si Luoke chemical company)
Michem 743 (nonionic paraffin wax emulsions, 52 DEG C of fusing point, 32% contains admittedly, Mai Kemen company)
Michem 270R (anionic paraffin/polyethylene emulsion, 101 DEG C of fusing point, 39% contains admittedly, Mai Kemen company)
Michem 156HS (anion palm wax emulsion, 83 DEG C of fusing point, 35% contains admittedly, Mai Kemen company)
Tego 245 (aqueous wetting agent, Evonik Degussa Corp.)
BYK 346 (aqueous wetting agent, Bi Ke chemical company)
BYK 024 (aqueous wetting agent, Bi Ke chemical company)
LCN 407 (aqueous wetting agent, this tal fibre Klein company)
Carlant 743 (aqueous defoamer, this tal fibre Klein company)
Tego 815N (aqueous defoamer, Evonik Degussa Corp.)
Vesmody A 801 (in improvement, the anionic acrylic alkali-swelling type thickener of low-shear viscosity, 29% contains admittedly,
Wan Hua chemical groups Co., Ltd)
Vesmody A 401 (the anion hydrophobically modified alkali-swelling type thickener of shear viscosity in improvement, 30% contains admittedly,
Wan Hua chemical groups Co., Ltd)
NAT ROSOL 250HBR (hydroxyethylcellulose thickener, Eastman Chemical, the U.S.)
(association type non-ionic polyurethane type thickener, 25% contains Vesmody U604 admittedly, the ten thousand limited public affairs of magnificent chemical groups
Department)
Embodiment 1
Polyneopentyl glycol adipate binary of the PVC leather with aqueous matte surface finishing agent by IPDI and number-average molecular weight 2000
31 parts by weight of waterborne polyurethane resin, 44 parts by weight of water synthesized by alcohol, 3.5 weight of silica flatting silica (ACEMATT 3300)
Measure part, 3.9 parts by weight of polysiloxanes aqueous dispersion (Silok 9184), 7.5 parts by weight of waterborne wax emulsion (Michem 743), water
Property wetting agent (Tego 245) 0.2 parts by weight, 0.3 parts by weight of aqueous defoamer (BYK 024) and thickener (Vesmody A
801) 0.6 parts by weight form.
Above-mentioned PVC leather is with the preparation method of aqueous matte surface finishing agent: by 31 parts by weight waterborne polyurethane resins, 3.5 weights
Measure part silica flatting silica, 0.2 parts by weight aqueous wetting agent, 0.3 parts by weight aqueous defoamer and the mixing of 44 parts by weight water simultaneously
Stirring 1 hour；Filtering gained mixture；Finally, 3.9 parts by weight polysiloxanes aqueous dispersions, 7.5 are added in filtered mixture
Parts by weight waterborne wax emulsion and the stirring of 0.6 parts by weight of thickening agent, are handled up to the PVC leather with aqueous cloudy surface after mixing evenly
Agent.
Obtained PVC leather is shown in Table 1 with the performance indicator of aqueous matte surface finishing agent.
Embodiment 2
PVC leather is with aqueous matte surface finishing agent by H12The mass ratio of MDI and HDI is 1:1 and number-average molecular weight 1000
35 parts by weight of waterborne polyurethane resin, 49 parts by weight of water, silica flatting silica synthesized by polycaprolactone diols
(ACEMATT TS100) 4.5 parts by weight, 4.7 parts by weight of polysiloxanes aqueous dispersion (Silok 50), waterborne wax emulsion
(Michem 270R) 8.5 parts by weight, 0.4 parts by weight of aqueous wetting agent (BYK 346), aqueous defoamer (Carlant 743)
0.5 parts by weight and thickener (Vesmody A 401) 0.5 parts by weight composition.
Above-mentioned PVC leather is with the preparation method of aqueous matte surface finishing agent: by 35 parts by weight waterborne polyurethane resins, 4.5 weights
Measure part silica flatting silica, 0.4 parts by weight aqueous wetting agent, 0.5 parts by weight aqueous defoamer and the mixing of 49 parts by weight water simultaneously
Stirring 1 hour；Filtering gained mixture；Finally, 4.7 parts by weight polysiloxanes aqueous dispersions, 8.5 are added in filtered mixture
Parts by weight waterborne wax emulsion and the stirring of 0.5 parts by weight of thickening agent, are handled up to the PVC leather with aqueous cloudy surface after mixing evenly
Agent.
Obtained PVC leather is shown in Table 1 with the performance indicator of aqueous matte surface finishing agent.
Embodiment 3
PVC leather is with aqueous matte surface finishing agent by H12MDI and number-average molecular weight are in 3000 polyadipate hexylene glycol and new penta
Aqueous polyurethane tree synthesized by glycol atactic polyester dihydric alcohol (wherein the mass ratio of hexylene glycol and neopentyl glycol is in 3:7)
33 parts by weight of rouge, 45 parts by weight of water, silica flatting silica (ACEMATT OK520) 4 parts by weight, polysiloxanes aqueous dispersion
(Silok 9146) 4 parts by weight, 8 parts by weight of waterborne wax emulsion (Michem156HS), 0.35 weight of aqueous wetting agent (LCN 407)
Measure part, aqueous defoamer (Tego 815N) 0.25 parts by weight and thickener (NAT ROSOL 250HBR) 0.5 parts by weight composition.
Above-mentioned PVC leather is with the preparation method of aqueous matte surface finishing agent: by 33 parts by weight waterborne polyurethane resins, 4 weight
Part silica flatting silica, 0.35 parts by weight aqueous wetting agent, 0.25 parts by weight aqueous defoamer and the mixing of 45 parts by weight water are simultaneously
Stirring 1 hour；Filtering gained mixture；Finally, 4 parts by weight polysiloxanes aqueous dispersions, 8 weight are added in filtered mixture
Part waterborne wax emulsion and the stirring of 0.5 parts by weight of thickening agent, after mixing evenly up to the aqueous matte surface finishing agent of the PVC leather.
Obtained PVC leather is shown in Table 1 with the performance indicator of aqueous matte surface finishing agent.
Embodiment 4
PVC leather is with aqueous matte surface finishing agent by H12MDI and number-average molecular weight are in 3000 polyadipate hexylene glycol and new penta
Aqueous polyurethane tree synthesized by glycol atactic polyester dihydric alcohol (wherein the mass ratio of hexylene glycol and neopentyl glycol is in 7:3)
33 parts by weight of rouge, 45 parts by weight of water, silica flatting silica (ACEMATT OK520) 4 parts by weight, polysiloxanes aqueous dispersion
(Silok 9146) 4 parts by weight, 8 parts by weight of waterborne wax emulsion (Michem156HS), 0.35 weight of aqueous wetting agent (LCN 407)
Measure part, aqueous defoamer (Tego 815N) 0.25 parts by weight and thickener (NAT ROSOL 250HBR) 0.5 parts by weight composition.
Above-mentioned PVC leather is with the preparation method of aqueous matte surface finishing agent: by 33 parts by weight waterborne polyurethane resins, 4 weight
Part silica flatting silica, 0.35 parts by weight aqueous wetting agent, 0.25 parts by weight aqueous defoamer and the mixing of 45 parts by weight water are simultaneously
Stirring 1 hour；Filtering gained mixture；Finally, 4 parts by weight polysiloxanes aqueous dispersions, 8 weight are added in filtered mixture
Part waterborne wax emulsion and the stirring of 0.5 parts by weight of thickening agent, after mixing evenly up to the aqueous matte surface finishing agent of the PVC leather.
Obtained PVC leather is shown in Table 1 with the performance indicator of aqueous matte surface finishing agent.
Comparative example 1
Poly adipate succinic acid ester dihydric alcohol of the PVC leather with aqueous matte surface finishing agent by IPDI and number-average molecular weight 2000
Synthesized 31 parts by weight of waterborne polyurethane resin, 44 parts by weight of water, 3.5 weight of silica flatting silica (ACEMATT 3300)
Part, aqueous disappears at 3.9 parts by weight of polysiloxanes aqueous dispersion (Silok 9184), 0.2 parts by weight of aqueous wetting agent (Tego 245)
0.3 parts by weight of infusion (BYK 024) and thickener (Vesmody A801) 0.6 parts by weight composition.
Above-mentioned PVC leather is with the preparation method of aqueous matte surface finishing agent: by 31 parts by weight waterborne polyurethane resins, 3.5 weights
Measure part silica flatting silica, 0.2 parts by weight aqueous wetting agent, 0.3 parts by weight aqueous defoamer and the mixing of 44 parts by weight water simultaneously
Stirring 1 hour；Filtering gained mixture；Finally, filtered mixture be added 3.9 parts by weight polysiloxanes aqueous dispersions and
0.6 parts by weight of thickening agent stirring, after mixing evenly up to the aqueous matte surface finishing agent of the PVC leather.
Obtained PVC leather is shown in Table 1 with the performance indicator of aqueous matte surface finishing agent.
Comparative example 2
Polyhexamethylene carbonic ester dihydric alcohol institute of the PVC leather with aqueous matte surface finishing agent by IPDI and number-average molecular weight 2000
31 parts by weight of waterborne polyurethane resin, 44 parts by weight of water, 3.5 weight of silica flatting silica (ACEMATT 3300) of synthesis
Part, 7.5 parts by weight of waterborne wax emulsion (Michem 743), 0.2 parts by weight of aqueous wetting agent (Tego 245), aqueous defoamer
(BYK 024) 0.3 parts by weight and thickener (Vesmody U604) 1 parts by weight composition.
Above-mentioned PVC leather is with the preparation method of aqueous matte surface finishing agent: by 31 parts by weight waterborne polyurethane resins, 3.5 weights
Measure part silica flatting silica, 0.2 parts by weight aqueous wetting agent, 0.3 parts by weight aqueous defoamer and the mixing of 44 parts by weight water simultaneously
Stirring 1 hour；Filtering gained mixture；Finally, 7.5 parts by weight waterborne wax emulsions and 1 parts by weight are added in filtered mixture
Thickener stirring, after mixing evenly up to the aqueous matte surface finishing agent of the PVC leather.
Obtained PVC leather is shown in Table 1 with the performance indicator of aqueous matte surface finishing agent.
Table 1
" other patents " data in table 1 come from the data content of the patent No. " 201110249673.7 ".
The test method of embodiment and comparative example is as follows:
Admittedly containing test method: taking appropriate lotion in container made of masking foil, weigh the weight before and after 150 degree of 20min
Variation, calculates its solid content.
Partial size test method: Malvern Nano-ZS90 instrument is used.
PH test method: Metrohm 827Ph lab instrument is used.
Viscosity determining procedure: using BROOKFIELD viscosity apparatus, and No. 3 rotor/30rpm are tested.
Appearance test method: eye sight is judged.
Feel test method: 20um bar scratches PVC leather, and 100 degree of drying about 1min grab by hand and touch progress feel
Judgement.
Blackness test method: 20um bar scratches black PVC leather, and 100 degree of drying about 1min observe blackness and thoroughly degree effect
Fruit.
Resistance to room temperature complications test method: 20um bar scratches black PVC leather, and 100 degree of drying about 1min are cut into 4*7cm sample
Item, each 3 through broadwise, room temperature complications instrument is tested.
Resistance to jungle test method: taking slurry, add 2% isocyanate crosslinking (268), 20um bar is scraped
Coating black substrate PVC leather, 100 degree of drying about 1min are placed 1 day, and clot is put into the constant temperature and humidity of 70 degree of temperature and 95% humidity
In case, 5 weeks whens, are taken out, and control group is taken to carry out the judgement of the performances such as blackness, adhesive force.
Adhesion test method: 20um bar scratches PVC leather, 100 degree of drying about 1min, using GB/T9286-1998 state
Mark.
Resistant test method: 20um bar scratches PVC leather, and 100 degree of drying about 1min take ball pen to draw on leather surface, no
Leaving liquid is that resistant effect is good.
Scratch resistance test method: 20um bar scratches PVC leather, 100 degree of drying about 1min, and adept nail is used in leather surface
Strength is drawn, no marking or scratch can be automatically repaired for scratch resistance it is good.
Resistance to heat-blocking: 20um bar scratches PVC leather, and 100 degree of drying about 1min are cut into 5*5cm, to patch, 80 DEG C/3kg/
For 24 hours, opening adhesion is resistance to heat-blocking.
Black and white plate glossiness test method: take slurry on black and white paper jam, 150um applicator carries out extension painting, 100 degree of drying
About 3min records the gloss value of 60 degree of incidence angles with vancometer.
Stability test method: taking at 1 kilogram of table agent slurry in 1 kilogram of plastic bottle, sealing, room temperature stand 6 months and
1 month is stood in 50 degree of baking ovens, whether observation bottom has sedimentation and performance whether stable.
The foregoing is merely presently preferred embodiments of the present invention, practical range not for the purpose of limiting the invention；If do not taken off
It from the spirit and scope of the present invention, modifies or equivalently replaces the present invention, should all cover in the claims in the present invention
In protection scope.
Claims (12)
1. a kind of aqueous matte surface finishing agent of PVC leather, which is characterized in that contain the following parts by weight: aqueous polyurethane tree
30~35 parts by weight of rouge, 40~50 parts by weight of water, 3~5 parts by weight of silica flatting silica, 3~5 weight of polysiloxanes aqueous dispersion
Amount part, 5~10 parts by weight of waterborne wax emulsion, 0.1~0.5 parts by weight of aqueous wetting agent, 0.1~0.5 parts by weight of aqueous defoamer,
0.5~1 parts by weight of thickener；Wherein wax emulsion fusing point is between 52-101 degree；The polysiloxanes aqueous dispersion is molecule
Amount emulsifies polysiloxanes aqueous dispersion for 20,000-110 ten thousand polyethers.
2. inorganic agent according to claim 1, which is characterized in that contain the following parts by weight: aqueous polyurethane tree
31~33 parts by weight of rouge, 43~48 parts by weight of water, 3.4~4.5 parts by weight of silica flatting silica, polysiloxanes aqueous dispersion
3.6~4.7 parts by weight, 6~9 parts by weight of waterborne wax emulsion, 0.2~0.4 parts by weight of aqueous wetting agent, aqueous defoamer 0.2~
0.4 parts by weight, 0.6~0.8 parts by weight of thickener.
3. inorganic agent described in any one of -2 according to claim 1, which is characterized in that the waterborne polyurethane resin is to utilize
One of aromatic polyisocyanate, aliphatic polyisocyante and alicyclic polyisocyanates a variety of are given birth to polyester-diol
At polyurethane resin.
4. inorganic agent according to claim 3, which is characterized in that the polyester-diol is polycaprolactone diols, poly- Asia
Hexyl carbonate dihydric alcohol, polyadipate -1,6- hexylene glycol ester dihydric alcohol, gathers oneself two at polyneopentyl glycol adipate dihydric alcohol
Acid -1,2-PD ester dihydric alcohol, polyadipate diglycol ester dihydric alcohol, polyneopentyl glycol adipate dihydric alcohol,
Polyadipate ethylene glycol and diglycol atactic polyester dihydric alcohol, polyadipate ethylene glycol and propylene glycol atactic polyester
Dihydric alcohol, polyadipate ethylene glycol and butanediol atactic polyester dihydric alcohol, polyadipate hexylene glycol and neopentyl glycol are randomly total
One of polyester diol is a variety of.
5. inorganic agent according to claim 4, which is characterized in that the polyester-diol is polycaprolactone diols, gathers oneself
Diacid -1,6- hexylene glycol ester dihydric alcohol, polyhexamethylene carbonic ester dihydric alcohol, polyadipate hexylene glycol and neopentyl glycol random copolymerization
One of ester dihydric alcohol is a variety of.
6. inorganic agent according to claim 5, which is characterized in that the polyester-diol is polyadipate hexylene glycol and new penta
Glycol atactic polyester dihydric alcohol, wherein the mass ratio of hexylene glycol and neopentyl glycol is in 3:7 between 7:3.
7. inorganic agent according to claim 3, which is characterized in that the number-average molecular weight of the polyester-diol is in 600-3000
Between.
8. inorganic agent according to claim 7, which is characterized in that the number-average molecular weight of the polyester-diol is in 1000-
Between 2000.
9. inorganic agent described in any one of -2 according to claim 1, which is characterized in that the silica flatting silica is gas phase
Method silica, precipitated silica and gel silica it is one or more.
10. inorganic agent described in any one of -2 according to claim 1, which is characterized in that the waterborne wax emulsion is aqueous poly-
One of ethylene wax emulsion, aqueous palm wax emulsion and aqueous paraffin lotion are a variety of.
11. inorganic agent described in any one of -2 according to claim 1, which is characterized in that the thickener is the swollen increasing of alkali soluble
Thick dose, one of hydroxyethyl cellulose and bentonite or a variety of.
12. the preparation method of the aqueous matte surface finishing agent of PVC leather described in any one of -11, feature exist according to claim 1
In comprising the steps of:
Step 1: in proportion stirring waterborne polyurethane resin, silica flatting silica, aqueous defoamer, aqueous wetting agent and water
It is uniformly mixed；
Step 2: 1 gained mixture of filtration step；
Step 3: polysiloxanes aqueous dispersion, waterborne wax emulsion and thickener is added in gained mixture after to step 2 filtering and stirs
It mixes uniformly mixed.
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| CN107011788A (en) * | 2017-04-27 | 2017-08-04 | 北京汽车研究总院有限公司 | Artificial leather inorganic agent, artificial polyvinyl chloride leather, preparation method and the usage |
| CN107353801A (en) * | 2017-08-18 | 2017-11-17 | 江苏宝泽高分子材料股份有限公司 | One kind is water-based to burn leather treatment and preparation method thereof |
| CN107793549A (en) * | 2017-11-02 | 2018-03-13 | 温州国仕邦高分子材料有限公司 | Aqueous polyurethane is from matting resin and preparation method thereof |
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| CN107987699B (en) * | 2017-12-01 | 2020-07-10 | 上海三恩化工有限公司 | Water-based surface coating agent suitable for polyvinyl chloride artificial leather of automobile seat and preparation method thereof |
| CN109468845B (en) * | 2018-10-23 | 2021-08-24 | 温州东泰树脂有限责任公司 | Water-based surface treating agent for synthetic leather and preparation method thereof |
| CN109207047B (en) * | 2018-11-15 | 2021-04-20 | 福建格林春天新材料股份有限公司 | Special super-sub-skin-feel wear-resistant water-based paint for PVC (polyvinyl chloride) surface decoration and preparation method thereof |
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| CN110358429A (en) * | 2019-07-22 | 2019-10-22 | 重庆韩拓科技有限公司 | A kind of aqueous PVC film inorganic agent and preparation method thereof |
| CN110878182B (en) * | 2019-11-18 | 2021-10-29 | 清远市美佳乐环保新材股份有限公司 | Water-based PVC artificial leather treating agent and preparation method and application thereof |
| CN112593416B (en) * | 2020-12-22 | 2022-08-09 | 温州东泰树脂有限责任公司 | Aqueous skin-feel treatment agent and preparation method thereof |
| CN114763449B (en) * | 2021-01-12 | 2023-03-28 | 万华化学集团股份有限公司 | Water-based matte surface treating agent and preparation method and application thereof |
| CN113136136B (en) * | 2021-05-13 | 2022-06-17 | 苏州贝斯特装饰新材料有限公司 | Surface finishing agent for PVC synthetic leather, preparation method thereof and PVC synthetic leather |
| CN116084180A (en) * | 2023-01-10 | 2023-05-09 | 中国第一汽车股份有限公司 | PVC leather surface treating agent and preparation method thereof |
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