CN105949966B - The special UV coating of PP base materials - Google Patents

The special UV coating of PP base materials Download PDF

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Publication number
CN105949966B
CN105949966B CN201610452756.9A CN201610452756A CN105949966B CN 105949966 B CN105949966 B CN 105949966B CN 201610452756 A CN201610452756 A CN 201610452756A CN 105949966 B CN105949966 B CN 105949966B
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parts
coating
special
base materials
adhesion promoter
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CN105949966A (en
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王卫红
潘凯
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Changzhou Ruijie new Mstar Technology Ltd
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Changzhou Ruijie New Materials Technology 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10—Epoxy resins modified by unsaturated compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • 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
    • 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
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C08J2463/10—Epoxy resins modified by unsaturated compounds
    • 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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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to the top coat formulation design field of polypropylene plastics packing container industry product, particularly a kind of special UV coating of PP base materials, the coating includes：Two degree of functionality epoxy acrylates, three-functionality-degree urethane acrylate, monomer, initiator, adhesion promoter, levelling agent and diluent.The paint film of the UV coating of the present invention has preferable caking property, hardness and richness；The addition of adhesion promoter, it may be such that the overall adhesion property of paint film is excellent, UV paint films curing rate control (3kw ultraviolets mercury lamp) in 6 seconds is fully cured, it disclosure satisfy that printing streamline production efficiency demand, it is adapted to the covering with paint of PP products, simultaneously suitable for the field in the printing of the container of packing container field, the especially material containing PP.

Description

The special UV coating of PP base materials
Technical field
It is special the present invention relates to the top coat formulation design field of polypropylene (PP) plastic packaging containers industry product It is not a kind of special UV coating of PP base materials.
Background technology
Polypropylene (PP) material is a kind of amorphous polymer with good combination property, be widely used in packaging, The fields such as household electrical appliances, food, toy, medical treatment.Because PP surfaces are difficult to soak, solvent resistance is strong, and the attachment of all kinds of coating is all present Certain adhesion problem, UV are coating material solidified no exception.The coating material solidified coatings applied to plastic bottom material of UV are had a variety of Advantage, but still suffer from many problems have it is to be solved, such as：1) coloring is difficult；2) adhesion problem, UV coating material solidified moments consolidate Change, it is short to ground infiltrating time, cause poor adhesive force；3) shape issue of object is solidified, complicated shape, dash area solidification are not Completely.A kind of coloring of exploitation is easy, the special UV coating of the preferable PP base materials of adhesive force is that those skilled in the art will currently study Technical problem.
The content of the invention
The technical problems to be solved by the invention are：Exist for PP material products surface of the prior art with UV coating The problem of, propose that one kind colours easy, the special UV coating of the preferable PP base materials of adhesive force.
The technical solution adopted for the present invention to solve the technical problems is：A kind of special UV coating of PP base materials, by weight Number meter, the coating include：
Two degree of functionality epoxy acrylate 5-10 parts；
Three-functionality-degree urethane acrylate 4-8 parts；
Monomer 15-30 parts；
Initiator 2-5 parts；
Adhesion promoter 0.5-2 parts；
Levelling agent 0.5-2 parts；
Diluent 30-50 parts；The monomer is the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl Ester and trimethylolpropane trimethacrylate according to mass ratio 1：(0.5-0.88)：The mixture that (0.7-0.99) is formed.
Further, the initiator is 4- chlorobenzophenones, alpha-hydroxyalkyl benzophenone, α-amine alkyl phenones, 2- hydroxyl -2- first One kind in base -1- phenyl -1- acetone or 1- hydroxy-cyclohexan alkyl-phenyl ketone.
Further, the diluent is one kind in n-butanol, ethyl acetate or methylisobutylketone.
Further, the adhesion promoter includes each component of following ratio of weight and number：Cyclohexanone 65-75 parts；The third two Alcohol methyl ether acetate 8-12 parts；Chlorinated polypropylene 8-12 parts；N-cyclohexylmaleimide2-3 parts；Acryloyl morpholine2-3 parts.
Further, the chlorinated polypropylene, chlorinty are 25~35%, viscous in 25 DEG C, 20% toluene solution It is 5.0~7.0 to spend for 1000~1800mpas, pH value.
Further, the one kind of the levelling agent in dimethyl polysiloxane copolymer, polysiloxane-polyether copolymer Or two kinds of combination.
Further, the preparation method of the adhesion promoter comprises the following steps：
(1) cyclohexanone, propylene glycol methyl ether acetate are mixed to dispersed, obtains A group raw materials；
(2) by the A group raw materials of chlorinated polypropylene, and 1/3, it is stirred until homogeneous scattered after mixing, obtains B groups original Material；
(3) by N-cyclohexylmaleimide and acryloyl morpholine and 1/3 A group raw materials, mix, while temperature is adjusted Up to 55-65 DEG C, continue 40-60min, obtain C group raw materials；
(4) in remaining A groups raw material, B group raw materials is sequentially added into, C group raw materials, are stirred during addition Mix, while temperature is adjusted to 40-50 DEG C, continues 25-40min, obtains finished product.
A kind of preparation method of the special UV coating of PP base materials, the preparation method include following preparation process：
(1) count in parts by weight, prepare two degree of functionality epoxy acrylate 5-10 parts；Three-functionality-degree urethane acrylate 4-8 parts；Monomer 15-30 parts；Initiator 2-5 parts；Adhesion promoter 0.5-2 parts；Levelling agent 0.5-2 parts；Diluent 30-50 Part；The monomer is the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl ester and trimethylolpropane tris third Olefin(e) acid ester according to mass ratio 1：(0.5-0.88)：The mixture that (0.7-0.99) is formed；
(2) two degree of functionality epoxy acrylates, three-functionality-degree urethane acrylate, monomer are sequentially added into reactor Diluent with 50%, is stirred to uniform；
(3) adhesion promoter and levelling agent are added into above-mentioned mixed liquor, is stirred to uniform；
(4) monomer and remaining diluent are added into above-mentioned mixed liquor, stir to obtain the special UV coating of PP base materials.
The defoamer of 0.4-0.9 parts by weight can also be added in the above-mentioned formula of the present invention when necessary, defoamer is optional Polysiloxane macromolecule or polyether-modified dimethyl polysiloxane copolymer；The inhibition of 0.2-0.6 parts by weight can also be added Agent, the polymerization inhibitor are selected from MEHQ, hydroquinones or 2,6- toluene di-tert-butyl phenol.
The present invention can change the close of PP frostings by using above-mentioned component formula, the adhesion promoter of gained Degree, as adhered to one layer of extremely strong double faced adhesive tape in PP frostings, for bonding the coating of PP frostings and surface, so as to The PP surfaces that are bonded in for enabling coating strong are not easy to peel off.
Beneficial effect：The paint film of the UV coating of the present invention has preferable caking property, hardness and richness；Adhesive force promotes The addition of agent, it may be such that the overall adhesion property of paint film is excellent, UV paint films curing rate control (3kw ultraviolet mercury in 6 seconds Lamp) it is fully cured, it disclosure satisfy that printing streamline production efficiency demand；Once offline qualification rate more than 98%；Primary coating is consolidated Rate is more than 96%；Hundred lattice experiment (carrying out firmness detection according to GB9286-88) is one-level, i.e., involved area is 5% Below；After solidification more than hardness of film 3H；The formula of the UV coating of the present invention is adapted to the covering with paint of PP products, while suitable for wrapping The print field of the container in packaging container field, the especially material containing PP.
Embodiment
With reference to specific embodiment, the present invention will be further described, but the present invention is not limited to following embodiments.
Embodiment one
A kind of preparation method of the special UV coating of PP base materials, the preparation method include following preparation process：
(1) count in parts by weight, prepare 10 parts of two degree of functionality epoxy acrylate；Three-functionality-degree urethane acrylate 8 Part；30 parts of monomer；4.5 parts of initiator；1.5 parts of adhesion promoter；2 parts of levelling agent；50 parts of diluent；
The monomer is the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl ester and trimethylolpropane Triacrylate according to mass ratio 1：0.8：0.9 mixture formed；Initiator is 4- chlorobenzophenones, and diluent is positive fourth Alcohol, levelling agent are selected from dimethyl polysiloxane copolymer,
Adhesion promoter includes each component of following ratio of weight and number：75 parts of cyclohexanone；Propylene glycol methyl ether acetate 12 Part；12 parts of chlorinated polypropylene；2.5 parts of N-cyclohexylmaleimide；2.5 parts of acryloyl morpholine.By cyclohexanone, propane diols first Ether acetate mixes to dispersed, obtains A group raw materials；By the A group raw materials of chlorinated polypropylene, and 1/3, mixing After be stirred until homogeneous scattered, obtain B group raw materials；By N-cyclohexylmaleimide, acryloyl morpholine and 1/3 A group raw materials, mix Stirring is closed, while temperature is heightened to 55-65 DEG C, is continued 40-60min, is obtained C group raw materials；In remaining A groups raw material, respectively B group raw materials are sequentially added, C group raw materials, are stirred during addition, while temperature is adjusted to 40-50 DEG C, continues 25- 40min, obtain adhesion promoter finished product；
(2) two degree of functionality epoxy acrylates, three-functionality-degree urethane acrylate, monomer are sequentially added into reactor Diluent with 50%, is stirred to uniform；
(3) adhesion promoter and levelling agent are added into above-mentioned mixed liquor, is stirred to uniform；
(4) monomer and remaining diluent are added into above-mentioned mixed liquor, stir to obtain the special UV coating of PP base materials.
Embodiment two
A kind of preparation method of the special UV coating of PP base materials, the preparation method include following preparation process：
(1) count in parts by weight, prepare 8 parts of two degree of functionality epoxy acrylate；Three-functionality-degree urethane acrylate 6.5 Part；26 parts of monomer；3 parts of initiator；1.5 parts of adhesion promoter；1.5 parts of levelling agent；42 parts of diluent；
The monomer is the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl ester and trimethylolpropane Triacrylate according to mass ratio 1：0.8：0.9 mixture formed；Initiator is 1- hydroxy-cyclohexan alkyl-phenyl ketone, dilute It is methylisobutylketone to release agent, and levelling agent is selected from polysiloxane-polyether copolymer,
Adhesion promoter includes each component of following ratio of weight and number：75 parts of cyclohexanone；Propylene glycol methyl ether acetate 12 Part；12 parts of chlorinated polypropylene；3 parts of N-cyclohexylmaleimide；3 parts of acryloyl morpholine.By cyclohexanone, propylene glycol monomethyl ether vinegar Acid esters mixes to dispersed, obtains A group raw materials；By the A group raw materials of chlorinated polypropylene, and 1/3, stirred after mixing Mix to dispersed, obtain B group raw materials；N-cyclohexylmaleimide, acryloyl morpholine and 1/3 A group raw materials, mixing are stirred Mix, while temperature is heightened to 55-65 DEG C, is continued 40-60min, is obtained C group raw materials；In remaining A groups raw material, respectively successively B group raw materials are added, C group raw materials, are stirred during addition, while temperature is adjusted to 40-50 DEG C, continues 25-40min, obtains To adhesion promoter finished product；Remaining step is the same as embodiment one.
Embodiment three
A kind of preparation method of the special UV coating of PP base materials, the preparation method include following preparation process：
(1) count in parts by weight, prepare 6 parts of two degree of functionality epoxy acrylate；Three-functionality-degree urethane acrylate 5.5 Part；20 parts of monomer；2.5 parts of initiator；1 part of adhesion promoter；0.8 part of levelling agent；32 parts of diluent；
The monomer is the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl ester and trimethylolpropane Triacrylate according to mass ratio 1：0.88：0.99 mixture formed；Initiator is 1- hydroxy-cyclohexan alkyl-phenyl ketone, Diluent is methylisobutylketone, and levelling agent is dimethyl polysiloxane copolymer and polysiloxane-polyether copolymer according to weight Than 1:0.5 mixture formed,
Adhesion promoter includes each component of following ratio of weight and number：70 parts of cyclohexanone；Propylene glycol methyl ether acetate 10 Part；10 parts of chlorinated polypropylene；2.5 parts of N-cyclohexylmaleimide；2.5 parts of acryloyl morpholine.By cyclohexanone, propane diols first Ether acetate mixes to dispersed, obtains A group raw materials；By the A group raw materials of chlorinated polypropylene, and 1/3, mixing After be stirred until homogeneous scattered, obtain B group raw materials；By N-cyclohexylmaleimide, acryloyl morpholine and 1/3 A group raw materials, mix Stirring is closed, while temperature is heightened to 55-65 DEG C, is continued 40-60min, is obtained C group raw materials；In remaining A groups raw material, respectively B group raw materials are sequentially added, C group raw materials, are stirred during addition, while temperature is adjusted to 40-50 DEG C, continues 25- 40min, obtain adhesion promoter finished product；Remaining step is the same as embodiment one.
Example IV
A kind of preparation method of the special UV coating of PP base materials, the preparation method include following preparation process：
(1) count in parts by weight, prepare 5 parts of two degree of functionality epoxy acrylate；Three-functionality-degree urethane acrylate 4 Part；15 parts of monomer；2 parts of initiator；1 part of adhesion promoter；0.8 part of levelling agent；32 parts of diluent；
The monomer is the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl ester and trimethylolpropane Triacrylate according to mass ratio 1：0.88：0.99 mixture formed；Initiator is 1- hydroxy-cyclohexan alkyl-phenyl ketone, Diluent is methylisobutylketone, and levelling agent is dimethyl polysiloxane copolymer and polysiloxane-polyether copolymer according to weight Than 1:0.7 mixture formed,
Adhesion promoter includes each component of following ratio of weight and number：65 parts of cyclohexanone；Propylene glycol methyl ether acetate 12 Part；12 parts of chlorinated polypropylene；2 parts of N-cyclohexylmaleimide；3 parts of acryloyl morpholine.By cyclohexanone, propylene glycol monomethyl ether vinegar Acid esters mixes to dispersed, obtains A group raw materials；By the A group raw materials of chlorinated polypropylene, and 1/3, stirred after mixing Mix to dispersed, obtain B group raw materials；N-cyclohexylmaleimide, acryloyl morpholine and 1/3 A group raw materials, mixing are stirred Mix, while temperature is heightened to 55-65 DEG C, is continued 40-60min, is obtained C group raw materials；In remaining A groups raw material, respectively successively B group raw materials are added, C group raw materials, are stirred during addition, while temperature is adjusted to 40-50 DEG C, continues 25-40min, obtains To adhesion promoter finished product；Remaining step is the same as embodiment one.
UV coating obtained by above-described embodiment is subjected to dependence test, test result is as follows：Curing of coating speed controls (3kw ultraviolets mercury lamp) is fully cured in 6 seconds；Once offline qualification rate more than 98%；Primary coating curing degree 96% with On；Hundred lattice experiment (carrying out firmness detection according to GB9286-88) is one-level, i.e., involved area is below 5%；Applied after solidification More than film hardness 3H.

Claims (5)

1. a kind of special UV coating of PP base materials, it is characterized in that：Count in parts by weight, the coating includes：
Two degree of functionality epoxy acrylate 5-10 parts；
Three-functionality-degree urethane acrylate 4-8 parts；
Monomer 15-30 parts；
Initiator 2-5 parts；
Adhesion promoter 0.5-2 parts；
Levelling agent 0.5-2 parts；
Diluent 30-50 parts；The monomer be the propylene diluted acid ester of diethylene glycol phthalate two, hexanediyl ester and Trimethylolpropane trimethacrylate according to mass ratio 1：(0.5-0.88)：The mixture that (0.7-0.99) is formed；
The adhesion promoter includes each component of following ratio of weight and number：Cyclohexanone 65-75 parts；Propylene glycol methyl ether acetate 8-12 parts；Chlorinated polypropylene 8-12 parts；N-cyclohexylmaleimide 2-3 parts；Acryloyl morpholine 2-3 parts.
2. the special UV coating of a kind of PP base materials according to claim 1, it is characterized in that：The initiator is 4- chlorodiphenyl first Ketone, alpha-hydroxyalkyl benzophenone, α-amine alkyl phenones, 2- hydroxy-2-methyl -1- phenyl -1- acetone or 1- hydroxy-cyclohexans alkyl-benzene One kind in base ketone.
3. the special UV coating of a kind of PP base materials according to claim 1, it is characterized in that：The diluent is n-butanol, second One kind in acetoacetic ester or methylisobutylketone.
4. the special UV coating of a kind of PP base materials according to claim 1, it is characterized in that：The chlorinated polypropylene, contains Chlorine dose is 25~35%, and the viscosity in 25 DEG C, 20% toluene solution is 1000~1800mpas, and pH value is 5.0~7.0.
5. the special UV coating of a kind of PP base materials according to claim 1, it is characterized in that：The levelling agent gathers selected from dimethyl The combination of one or both of silicone copolymers, polysiloxane-polyether copolymer.
CN201610452756.9A 2016-06-22 2016-06-22 The special UV coating of PP base materials Active CN105949966B (en)

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CN106752739A (en) * 2016-11-29 2017-05-31 燕园众欣纳米科技（北京）有限公司 A kind of graphite oxide ene-type UV coating and preparation method thereof
CN114773920B (en) * 2022-04-25 2022-12-09 广东深展实业有限公司 Photo-thermal dual-curing vacuum coating paint for polypropylene plastic and preparation method thereof

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Address after: 213000 Tianshan Road, Xinbei District, Changzhou, Jiangsu Province, No. 2-8

Patentee after: Changzhou Ruijie new Mstar Technology Ltd

Address before: 213000 Tianshan Road, Xinbei District, Changzhou, Jiangsu Province, No. 2-8

Patentee before: Changzhou Ruijie New Materials Technology Co., Ltd.