CN106244063A - A kind of high bond strength, ageing-resistant binding agent and the application in reflectorized material - Google Patents
A kind of high bond strength, ageing-resistant binding agent and the application in reflectorized material Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
- C08F283/008—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00 on to unsaturated polymers
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- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
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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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
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Abstract
The invention discloses a kind of high bond strength, ageing-resistant binding agent and the application in reflectorized material, be prepared from by the raw material of following weight portion: 10PE27,60～80 parts；Dimethyl diphenyl diisocyanate, 25～35 parts；Modifying agent, 14～18 parts；Dibutyl tin laurate, 0.04～0.06 part；Dihydromethyl propionic acid, 6～8 parts；γ aminopropyltriethoxywerene werene, 3～4 parts；Hydroxypropyl methacrylate, 1～3 part；Water, 130～150 parts；Alkali, 6～10 parts；Vinyl monomer, 15～25 parts；Water soluble starter, 0.2～0.4 part；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol, and the two weight ratio is 6～8:1；Described alkali is sodium hydroxide or potassium hydroxide.The binding agent adhesion strength that the present invention provides is high, and heat-proof aging and photoaging, non yellowing, may be used for preparing reflectorized material.The preparation method of this binding agent is simple, it is easy to implement.
Description
Technical field
The invention belongs to reflectorized material field, be specifically related to a kind of high bond strength, ageing-resistant binding agent and reflective
Application in material.
Background technology
Reflectorized material be widely used in traffic sign and marked, protuberant guide post, profile mark, cone, anti-collision barrel etc. are various
Traffic safety facilities, and License Plate, medicated clothing shoes and hats, fire-fighting, railway, water transport, mining area etc., can be divided into traffic signs anti-
Luminescent material, roadmarking reflectorized material, protuberant guide post, delineator, medicated clothing reflectorized material etc..
Reflectorized material needs long-time exposure in the sun, and under conditions of especially in summer, temperature is higher, this is to reflective
The heat-proof aging of the binding agent that material is used and light aging resisting property propose the highest requirement.
Summary of the invention
The first object of the present invention is to provide a kind of high bond strength, ageing-resistant binding agent；
The second object of the present invention is to provide the preparation method of above-mentioned binding agent；
The third object of the present invention is the application providing above-mentioned binding agent in reflectorized material.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
A kind of high bond strength, ageing-resistant binding agent, be prepared from by the raw material of following weight portion: polyadipate second
Diol ester, 60～80 parts；Dimethyl diphenyl diisocyanate, 25～35 parts；Modifying agent, 14～18 parts；Di lauric dibutyl
Stannum, 0.04～0.06 part；Dihydromethyl propionic acid, 6～8 parts；γ aminopropyltriethoxy silane, 3～4 parts；Methacrylic acid
Hydroxypropyl acrylate, 1～3 part；Water, 130～150 parts；Alkali, 6～10 parts；Vinyl monomer, 15～25 parts；Water soluble starter, 0.2～
0.4 part；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol, and the two weight ratio is 6～8:1；Described alkali
For sodium hydroxide or potassium hydroxide.
Further, described vinyl monomer is acrylic acid methyl ester., methyl methacrylate, ethyl acrylate or methyl-prop
Olefin(e) acid ethyl ester.
Further, described water soluble starter is potassium peroxydisulfate or Ammonium persulfate..
Further, described modifying agent is the mixture of isopropyl titanate and mercaptoethanol, and the two weight ratio is 7:
1。
The preparation method of above-mentioned binding agent, comprises the steps:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 75～85 DEG C are reacted 2～3 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, 65～75 DEG C of reactions 1
～2 hours, then add Hydroxypropyl methacrylate and react 0.5～1.5 hour；
Step S3, after temperature is down to 20～30 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 75～85 DEG C are gathered
Close reaction and within 3～5 hours, i.e. obtain described high bond strength, ageing-resistant binding agent.
Further, step S1 is particularly as follows: by 10PE27, dimethyl diphenyl diisocyanate, modifying agent
With dibutyl tin laurate mix homogeneously, 80 DEG C are reacted 2.5 hours.
Further, step S2 is particularly as follows: add dihydromethyl propionic acid, γ aminopropyltriethoxy silane stirring all
Even, 70 DEG C are reacted 1.5 hours, add Hydroxypropyl methacrylate and react 1 hour.
Further, step S3 is particularly as follows: after temperature is down to 25 DEG C, add water and alkali, and emulsification pretreatment obtains emulsion.
Further, step S4, particularly as follows: add vinyl monomer in emulsion, is added water solublity again and is drawn after mix homogeneously
Send out agent, 80 DEG C of polyreactions 4 hours and get final product.
The application in reflectorized material of the above-mentioned binding agent.
Advantages of the present invention:
The binding agent adhesion strength that the present invention provides is high, and heat-proof aging and photoaging, non yellowing, may be used for preparation anti-
Luminescent material.The preparation method of this binding agent is simple, it is easy to implement.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit the present invention with this and protect model
Enclose.Although the present invention being explained in detail with reference to preferred embodiment, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of binding agent
Parts by weight of raw materials compares:
10PE27,70 parts；Dimethyl diphenyl diisocyanate, 30 parts；Modifying agent, 16 parts；Tin dilaurate
Dibutyl tin, 0.05 part；Dihydromethyl propionic acid, 7 parts；γ aminopropyltriethoxy silane, 3.5 parts；Methacrylic acid hydroxypropyl
Ester, 2 parts；Water, 140 parts；Alkali, 8 parts；Vinyl monomer, 20 parts；Water soluble starter, 0.3 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 7:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 2: the preparation of binding agent
Parts by weight of raw materials compares:
10PE27,60 parts；Dimethyl diphenyl diisocyanate, 25 parts；Modifying agent, 14 parts；Tin dilaurate
Dibutyl tin, 0.04 part；Dihydromethyl propionic acid, 6 parts；γ aminopropyltriethoxy silane, 3 parts；Methacrylic acid hydroxypropyl
Ester, 1 part；Water, 130 parts；Alkali, 6 parts；Vinyl monomer, 15 parts；Water soluble starter, 0.2 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 6:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 3: the preparation of binding agent
Parts by weight of raw materials compares:
10PE27,80 parts；Dimethyl diphenyl diisocyanate, 35 parts；Modifying agent, 18 parts；Tin dilaurate
Dibutyl tin, 0.06 part；Dihydromethyl propionic acid, 8 parts；γ aminopropyltriethoxy silane, 4 parts；Methacrylic acid hydroxypropyl
Ester, 3 parts；Water, 150 parts；Alkali, 10 parts；Vinyl monomer, 25 parts；Water soluble starter, 0.4 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 8:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 4: the preparation of binding agent
Parts by weight of raw materials compares:
10PE27,70 parts；Dimethyl diphenyl diisocyanate, 30 parts；Modifying agent, 16 parts；Tin dilaurate
Dibutyl tin, 0.05 part；Dihydromethyl propionic acid, 7 parts；γ aminopropyltriethoxy silane, 3.5 parts；Methacrylic acid hydroxypropyl
Ester, 2 parts；Water, 140 parts；Alkali, 8 parts；Vinyl monomer, 20 parts；Water soluble starter, 0.3 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 6:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 5: the preparation of binding agent
Parts by weight of raw materials compares:
10PE27,70 parts；Dimethyl diphenyl diisocyanate, 30 parts；Modifying agent, 16 parts；Tin dilaurate
Dibutyl tin, 0.05 part；Dihydromethyl propionic acid, 7 parts；γ aminopropyltriethoxy silane, 3.5 parts；Methacrylic acid hydroxypropyl
Ester, 2 parts；Water, 140 parts；Alkali, 8 parts；Vinyl monomer, 20 parts；Water soluble starter, 0.3 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 8:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 6: comparative example
Parts by weight of raw materials compares:
10PE27,70 parts；Dimethyl diphenyl diisocyanate, 30 parts；Modifying agent, 16 parts；Tin dilaurate
Dibutyl tin, 0.05 part；Dihydromethyl propionic acid, 7 parts；γ aminopropyltriethoxy silane, 3.5 parts；Methacrylic acid hydroxypropyl
Ester, 2 parts；Water, 140 parts；Alkali, 8 parts；Vinyl monomer, 20 parts；Water soluble starter, 0.3 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 5:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 7: comparative example
Parts by weight of raw materials compares:
10PE27,70 parts；Dimethyl diphenyl diisocyanate, 30 parts；Modifying agent, 16 parts；Tin dilaurate
Dibutyl tin, 0.05 part；Dihydromethyl propionic acid, 7 parts；γ aminopropyltriethoxy silane, 3.5 parts；Methacrylic acid hydroxypropyl
Ester, 2 parts；Water, 140 parts；Alkali, 8 parts；Vinyl monomer, 20 parts；Water soluble starter, 0.3 part；Described modifying agent is that metatitanic acid is different
Propyl ester and the mixture of mercaptoethanol, the two weight ratio is 9:1；Alkali is sodium hydroxide.Vinyl monomer is acrylic acid first
Ester.Water soluble starter is potassium peroxydisulfate.
Preparation method:
Step S1, by 10PE27, dimethyl diphenyl diisocyanate, modifying agent and di lauric dibutyl
Stannum mix homogeneously, 80 DEG C are reacted 2.5 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, and 70 DEG C of reactions 1.5 are little
Time, then add Hydroxypropyl methacrylate and react 1 hour；
Step S3, after temperature is down to 25 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 80 DEG C of polymerizations are anti-
Answer 4 hours and i.e. obtain described binding agent.
Embodiment 8: effect example
The performance of the binding agent of testing example 1～7 preparation respectively, method of testing is as follows.
Ageing-resistant performance is tested: at a temperature of ultraviolet lighting and 70 DEG C 1000 hours, then test hot strength and resistance to
Xanthochromia grade, heat aging property hot strength is weighed；Light aging resisting property color inhibition ratings gauge, color inhibition grade is surveyed
Examination uses SFJJ-2000C type standard light both (the upper new Electronics Co., Ltd. in Hailin).
Hot strength: perform GB/T528-1998 standard；LJ-5000N puller system (Chengde testing machine factory), puller system is tested
Condition is room temperature 25 DEG C, air humidity 55%, puller system loading speed 100mm/min.
Peel strength: perform GB/T2791-1995 standard, uses PET material to bond, and the end testing 24 hours is viscous strong
Degree, material width 2.5cm；Puller system test condition is room temperature 25 DEG C, air humidity 55%, puller system loading speed 100mm/
min；LJ-5000N puller system (Chengde testing machine factory).
Test result such as following table:
| Color inhibition grade | Peel strength/(N/2.5cm) | Hot strength (70 DEG C, 1000h)/MPa | |
| Embodiment 1 | 4.8 | 68 | 28 |
| Embodiment 2 | 4.5 | 63 | 25 |
| Embodiment 3 | 4.6 | 65 | 26 |
| Embodiment 4 | 4.5 | 64 | 25 |
| Embodiment 5 | 4.6 | 65 | 26 |
| Embodiment 6 | 2.8 | 55 | 18 |
| Embodiment 7 | 2.9 | 56 | 19 |
The above results shows, the binding agent adhesion strength that the present invention provides is high, and heat-proof aging and photoaging, non yellowing,
May be used for preparing reflectorized material.The preparation method of this binding agent is simple, it is easy to implement.It addition, the alkali in embodiment can also
Use potassium hydroxide；Vinyl monomer can also use methyl methacrylate, ethyl acrylate or ethyl methacrylate；Water
Soluble initiator can also use Ammonium persulfate..
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit the protection of the present invention with this
Scope.It will be understood by those within the art that, technical scheme can be modified or equivalent,
Essence and protection domain without deviating from technical solution of the present invention.
Claims (10)
1. a high bond strength, ageing-resistant binding agent, it is characterised in that be prepared from by the raw material of following weight portion:
10PE27,60～80 parts；Dimethyl diphenyl diisocyanate, 25～35 parts；Modifying agent, 14～18 parts；February
Dilaurylate, 0.04～0.06 part；Dihydromethyl propionic acid, 6～8 parts；γ aminopropyltriethoxy silane, 3～4 parts；
Hydroxypropyl methacrylate, 1～3 part；Water, 130～150 parts；Alkali, 6～10 parts；Vinyl monomer, 15～25 parts；Water solublity draws
Send out agent, 0.2～0.4 part；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol, the two weight ratio be 6～
8:1；Described alkali is sodium hydroxide or potassium hydroxide.
High bond strength the most according to claim 1, ageing-resistant binding agent, it is characterised in that: described vinyl monomer
For acrylic acid methyl ester., methyl methacrylate, ethyl acrylate or ethyl methacrylate.
High bond strength the most according to claim 1, ageing-resistant binding agent, it is characterised in that: described water solublity causes
Agent is potassium peroxydisulfate or Ammonium persulfate..
High bond strength the most according to claim 1, ageing-resistant binding agent, it is characterised in that: described modifying agent is titanium
Isopropyl propionate and the mixture of mercaptoethanol, the two weight ratio is 7:1.
5. the preparation method of the arbitrary described binding agent of Claims 1 to 4, it is characterised in that comprise the steps:
Step S1, mixes 10PE27, dimethyl diphenyl diisocyanate, modifying agent and dibutyl tin laurate
Closing uniformly, 75～85 DEG C are reacted 2～3 hours；Described modifying agent is the mixture of isopropyl titanate and mercaptoethanol；
Step S2, adds dihydromethyl propionic acid, γ aminopropyltriethoxy silane and stirs, 65～75 DEG C of reactions 1～2
Hour, then add Hydroxypropyl methacrylate and react 0.5～1.5 hour；
Step S3, after temperature is down to 20～30 DEG C, adds water and alkali, and emulsification pretreatment obtains emulsion；
Step S4, adds vinyl monomer in emulsion, adds water soluble starter after mix homogeneously again, and 75～85 DEG C of polymerizations are anti-
Answer 3～5 hours and i.e. obtain described high bond strength, ageing-resistant binding agent.
Preparation method the most according to claim 5, it is characterised in that step S1 particularly as follows: by 10PE27,
Dimethyl diphenyl diisocyanate, modifying agent and dibutyl tin laurate mix homogeneously, 80 DEG C are reacted 2.5 hours.
Preparation method the most according to claim 5, it is characterised in that step S2 particularly as follows: add dihydromethyl propionic acid,
γ aminopropyltriethoxy silane stirs, and 70 DEG C are reacted 1.5 hours, and adding Hydroxypropyl methacrylate, to react 1 little
Time.
Preparation method the most according to claim 5, it is characterised in that step S3 is particularly as follows: after temperature is down to 25 DEG C, then adds
Entering water and alkali, emulsification pretreatment obtains emulsion.
Preparation method the most according to claim 5, it is characterised in that step S4 is particularly as follows: add vinyl in emulsion
Monomer, adds water soluble starter again after mix homogeneously, 80 DEG C of polyreactions 4 hours and get final product.
10. Claims 1 to 4 arbitrary described binding agent application in reflectorized material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604518.5A CN106244063B (en) | 2016-07-28 | 2016-07-28 | A kind of high bond strength, ageing-resistant binding agent and preparation method thereof |
| CN201810043211.1A CN108034392B (en) | 2016-07-28 | 2016-07-28 | High-bonding-strength and anti-aging bonding agent and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604518.5A CN106244063B (en) | 2016-07-28 | 2016-07-28 | A kind of high bond strength, ageing-resistant binding agent and preparation method thereof |
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Cited By (2)
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| CN110669442A (en) * | 2019-11-25 | 2020-01-10 | 陕西省石油化工研究设计院 | Silica sol binder for desulfurization and denitrification of power plant and preparation method thereof |
| CN115820195A (en) * | 2022-08-15 | 2023-03-21 | 杭州星华反光材料股份有限公司 | Polyurethane glue for high-brightness reflective material and application thereof |
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Also Published As
| Publication number | Publication date |
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| CN108034392B (en) | 2020-04-28 |
| CN106244063B (en) | 2018-03-06 |
| CN108034392A (en) | 2018-05-15 |
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