CN108485588A - A kind of two-component polyurethane adhesive sticks agent and its preparation method and application - Google Patents
A kind of two-component polyurethane adhesive sticks agent and its preparation method and application Download PDFInfo
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- CN108485588A CN108485588A CN201810324482.4A CN201810324482A CN108485588A CN 108485588 A CN108485588 A CN 108485588A CN 201810324482 A CN201810324482 A CN 201810324482A CN 108485588 A CN108485588 A CN 108485588A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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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
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
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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
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
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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
- C08G2101/00—Manufacture of cellular products
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of two-component polyurethane adhesives to stick agent and its preparation method and application, which includes component A and B component, and component A and B component stick agent to get two-component polyurethane adhesive after mixing by 2-20: 1 mass ratio；Wherein, component A includes polyether polyol, polymer polyatomic alcohol, crosslinking agent, foam stabiliser, inertia silicone oil, tertiary amines gel-type catalyst, tertiary amines expansion type catalyst, foaming agent and extraordinary silicone oil；B component is polyisocyanates.The above-mentioned two-component polyurethane adhesive of the present invention, which is sticked agent and applied when prepared by vehicle filter filter core, has the excellent properties such as close bonding, not dry and cracked, vibration resistance, high temperature resistant, oil resistant, resistance to oxidation, chemical property stabilization, environmental protection, and can further meet the professional standard of vehicle filter cartridge seal adhesive.
Description
Technical field
The present invention relates to adhesive technical fields, and in particular to a kind of novel two-component polyurethane adhesive sticks agent and its preparation side
Method, also, further relate to the two-component polyurethane adhesive and stick application of the agent in vehicle filter filter core.
Background technology
Adhesive for polyurethane refers to the adhesive containing urethano and isocyanate group in strand.Adhesive for polyurethane has
There is stronger activity, has to multiple materials such as metal, rubber, glass, ceramics, plastics, timber, fabric, leathers good viscous
Connecing property and leakproofness are a kind of adhesives that the scope of application is very wide.
Two-component polyurethane adhesive sticks agent and is usually made of component A and B component, and this adhesive has performance adjustable, viscous
The advantages that knotting strength is big, use scope is wide, has become in adhesive for polyurethane that kind is most, the maximum product of yield.
The Chinese patent application of Publication No. CN105647440A discloses a kind of Thermoplastic adhesive and preparation method thereof,
The chemical property of stannous chloride and stannous octoate used in the Thermoplastic adhesive is extremely unstable, is oxidized easily, is unfavorable for
Extensive use.
With automobile industry fast development, the vehicle component market demand is pulled, to the need of high performance vehicle filter
Seek the also presentation rapid growth impetus.To the adhesive that wherein uses, more stringent requirements are proposed for the improvement of vehicle filter.But
That there are smells is big for presently commercially available vehicle filter cartridge seal adhesive, and toxicity is big, the deficiencies of polluting environment, and there is also viscous
Connect the defects of intensity is low, temperature tolerance is poor, vibration resistance is poor, unstable chemcial property.
Invention content
To overcome the drawbacks described above of the prior art, the purpose of the present invention is to provide a kind of novel two-component polyurethane adhesives
Glutinous agent has the performances such as close bonding, not dry and cracked, vibration resistance, high temperature resistant, oil resistant, resistance to oxidation, chemical property stabilization, environmental protection,
Further meet the professional standard of vehicle filter cartridge seal adhesive.
To achieve the goals above, the present invention adopts the following technical scheme that：
The present invention provides a kind of novel two-component polyurethane adhesives to stick agent, which includes component A and B component,
Middle component A is urged comprising polyether polyol, polymer polyatomic alcohol, crosslinking agent, foam stabiliser, inertia silicone oil, tertiary amines gel-type
Agent, tertiary amines expansion type catalyst, foaming agent and extraordinary silicone oil；B component is polyisocyanates.
Further, the polyether polyol preferably uses one in polyether Glycols, polyether-tribasic alcohol, polyethers tetrahydroxylic alcohol
Kind or several mixing, more preferable polyether polyol 330N.
Further, the polymer polyatomic alcohol preferred polymers polyalcohol POP36/28.
Further, the crosslinking agent is di-alcohols, selected from 1,4-butanediol, ethylene glycol, Diethylene Glycol, 1,6-
Hexylene glycol, 1,3- propylene glycol, trimethylolpropane, hydroquinone two (2- ethoxys) ether, hydrogenated bisphenol A, 1,4- cyclohexanediols
One or more of mixing, be commodity, can directly buy.
Further, the foam stabiliser preferably use silicon type foam stabiliser, can select B8464, B8481,
B8474, B8471, B8481, AK8805, AK8815, AK8812, AK8809 etc., foam stabiliser can be one of above-mentioned, also may be used
To be two or more arbitrary compounding.
Further, the inertia silicone oil preferably use methyl-silicone oil, ethyl silicon oil, phenyl silicone oil, methyl phenyl silicone oil,
The mixing of one or more of long alkyl-silicone oil, trifluoro propyl silicone oil and polyether silicone oil.
It is furthermore preferred that the inertia silicone oil uses dimethicone.
Further, the tertiary amines gel-type catalyst preferably uses catalyst A33.
Further, the tertiary amines expansion type catalyst preferably uses catalyst A1.
Further, the foaming agent preferably uses liquid CO2, alkane, cycloalkane, dialkyl ether, ring alkylene ether, fluorine
For the mixing of one or more of alkane.Alkane, such as propane, normal butane, iso-butane, pentane and isopentane and technical grade
Pentane admixture etc.；Cycloalkane, such as cyclobutane etc.；Dialkyl ether, such as dimethyl ether, methyl ethyl ether, methyl butyl ether
With diethyl ether etc.；Ring alkylene ether, such as furans etc.；Fluoroalkane, such as fluoroform, difluoromethane, 1,1- Difluoroethanes, one
Fluorine dichloroethanes (HCFC-141b), chlorodifluoroethane, tetrafluoroethane, 1,1,1,3,3- pentafluoropropanes (HFC-245fa), seven
Fluoro-propane, 1,1,1,2- tetrafluoros butane, 1,1,1,3,3-pentafluorobutane (HFC-365mfc) etc..
It is furthermore preferred that the foaming agent is a fluorine dichloroethanes (HCFC-141b).
In the present invention, the B component (polyisocyanates) is polyphenyl polymethylene polyisocyanates (PAPI), 2,4-
Toluene di-isocyanate(TDI) (TDI), 2,4'- methyl diphenylene diisocyanates (2,4'-MDI), hexamethylene diisocyanate
(HDI), dimethylene phenylene diisocyanate (XDI), carbodiimides-uretonimine-modified MDI (liquefied mdi), 3- isocyanic acids
Ester group methylene -3,5,5- trimethylcyclohexylisocyanates (isoflurane chalcone diisocyanate, IPDI) and 4,4'- dicyclohexyls
The mixing of one or more of methane diisocyanate (HMDI).
It is furthermore preferred that the B component is liquefied mdi.NCO group content is high in liquefied mdi, and reactivity is high, can be with A groups
Part fast reaction, improves production efficiency；MDI replaces TDI, safer environmental protection, so as to avoid the hypertoxic to human body of TDI simultaneously
Injury.
In the present invention, the parts by weight of each ingredient of component A are：Described polyether polyol 50-95 parts；The polymer polyol
2-30 parts of alcohol；Described crosslinking agent 1-8 parts；Described foam stabiliser 0.1-2 parts；0.1-2 parts of the inertia silicone oil；The uncle
0.1-2 parts of amine gel-type catalyst；0.01-2 parts of the tertiary amines expansion type catalyst；Described foaming agent 0.5-10 parts；
0.0001-1 parts of the silicone oil of special type.
B component is all made of polyisocyanates in the present invention.
In the present invention, the mass ratio of the component A and B component is 2-20: 1, preferably 3-10: 1, more preferable 4: 1.
A kind of novel two-component polyurethane adhesive sticks the preparation method of agent, is as follows：
(1) prepared by component A
At 15-25 DEG C, successively by polyether polyol, polymer polyatomic alcohol, crosslinking agent, foam stabiliser, inertia silicone oil,
Tertiary amines gel-type catalyst, tertiary amines expansion type catalyst, foaming agent and extraordinary silicone oil are added in reaction kettle and are stirred, and wait for
After 2 hours, you can obtain component A product.
(2) prepared by B component
By industrial goods direct packaging.
(3) component A and component B are separately stored.
The use that the two-component polyurethane adhesive of the present invention sticks agent is as follows：
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature in 10-
60 DEG C, by component A：B component be 2-20: 1 (weight ratio) ratio by static mixing tube after mixing, be cast in machine oil
Filter paper is inserted by filter element end cap inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper,
Gel time is 10-100 seconds, room temperature curing 1-24h.The preferred base material of end cap includes metallic material of aluminum, stainless steel, plastic material
There are ABS rubber, polyurethane, polyolefin, makrolon, polyamide and nylon.
The two-component polyurethane adhesive of the present invention sticks agent and is preferably molded in room temperature curing.
Compared with prior art, two-component polyurethane adhesive of the invention sticks agent and has the advantage that with advantageous effects such as
Under：
1, in the present invention, in the system that component A is mixed with B component, polyether polyol enhances two-component polyurethane adhesive
The toughness and anti-aging property of glutinous agent.
2, in the present invention, after component A is added in polymer polyatomic alcohol, the stability of raw material is enhanced, component A can be made to have good
Good storage stability, long shelf-life.
3, in the present invention, in the system that component A is mixed with B component, using MDI types isocyanates and polyether polyol,
Polymerisation occurs for polymer polyatomic alcohol, and MDI types isocyanates, polyether polyol and polymer polyatomic alcohol average functionality are high,
The higher degree of cross linking can be provided while increasing chain link, highdensity cross-linked network can be formed, ensure that the power of material
Performance is learned, while selecting small molecule dihydric alcohol as crosslinking agent, composite crosslinking further improves two-component polyurethane adhesive and sticks agent
Anti-compression properties.
4, in the present invention, in the system that component A is mixed with B component, foam stabiliser is as extraordinary stabilizer, Ke Yiyou
Effect ground reduces surface tension, improves Combination, makes the Air Bubble Size of generation uniformly and adjust the construction of foam, can make two-component
The permanent deformation of adhesive for polyurethane is minimum, and expansion and contraction reaches within 3%.
5, in the present invention, in the system that component A is mixed with B component, inertia silicone oil can make product be easy demoulding.
6, in the present invention, in the system that component A is mixed with B component, tertiary amines gel-type catalyst foams with tertiary amines
On the one hand type catalyst is used as environmental protection catalyst, alleviates the pollution to human body environment, on the other hand can play stronger catalysis
Effect has many advantages, such as that forming, curing are fast.
7, in the present invention, in the system that component A is mixed with B component, extraordinary silicone oil eliminates production as surfactant
Product vacuole collapse phenomenon.
8, component A is free of any solvent, avoids a large amount of solvent discharges and pollutes environment and influence the health of people,
It is environmental type adhesive.
9, the two-component polyurethane adhesive sticks agent and can process at relatively low temperature, and can be quickly solid with room temperature
Change, glue-applying technique is easy, greatly reduces energy consumption, improves production efficiency.
10, the two-component polyurethane adhesive, which sticks agent, has stable chemical property, environmental protection, adhesive strength height, preferable high temperature resistant
The performance of property and excellent resistance to machine oil.
Specific implementation mode
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not limited to following reality
Apply example.
Embodiment 1
A kind of glutinous agent of two-component polyurethane adhesive, which includes component A and B component, and B component is liquefied mdi, component A
3 are pressed with B component：1 mass ratio sticks agent to get two-component polyurethane adhesive after mixing.
(1) preparation of component A：
Polyether polyol：95 parts of polyether polyol 330N；
Polymer polyatomic alcohol：3 parts of polymer polyatomic alcohol POP36/28；
Crosslinking agent：1 part of propylene glycol；
Foam stabiliser：0.1 part；
Inertia silicone oil：0.1 part of ethyl silicon oil.
Tertiary amines gel-type catalyst：0.1 part of catalyst A33；
Tertiary amines expansion type catalyst：0.1 part of catalyst A1；
Foaming agent：0.5 part of HCFC-141b (a fluorine dichloroethanes)；
Extraordinary silicone oil：0.1 part.
At 25 DEG C, above-mentioned material is added in reaction kettle, is stirred, after 2 hours, you can obtain component A product.
(2) two-component polyurethane adhesive sticks the use of agent
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature 60
DEG C, component A in mass ratio：The ratio that B component is 3: 1 after mixing, is cast in machine oil filter core end cap by static mixing tube
Filter paper is inserted by inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper, and gel time is 10 seconds
Left and right, room temperature curing 1h.
The performance that the two-component polyurethane adhesive prepared by above-mentioned process conditions sticks agent is shown in Table 1.
Embodiment 2
A kind of glutinous agent of two-component polyurethane adhesive, which includes component A and B component, and B component is liquefied mdi, component A
4 are pressed with B component：1 mass ratio sticks agent to get two-component polyurethane adhesive after mixing.
(1) preparation of component A：
Polyether polyol：77.759 part polyether polyol 330N；
Polymer polyatomic alcohol：15.552 part polymer polyatomic alcohol POP36/28；
Crosslinking agent：3.110 part ethylene glycol；
Foam stabiliser：0.389 part；
Inertia silicone oil：0.233 part of dimethicone.
Tertiary amines gel-type catalyst：0.467 part of catalyst A33；
Tertiary amines expansion type catalyst：0.156 part of catalyst A1；
Foaming agent：2.333 parts of HCFC-141b (a fluorine dichloroethanes)；
Extraordinary silicone oil：0.001 part.
At 20 DEG C, above-mentioned material is added in reaction kettle, is stirred, after 2 hours, you can obtain component A product.
(2) two-component polyurethane adhesive sticks the use of agent
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature 25
DEG C, component A in mass ratio：The ratio that B component is 4: 1 after mixing, is cast in machine oil filter core end cap by static mixing tube
Filter paper is inserted by inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper, and gel time is 30 seconds
Left and right, room temperature curing 20h.
The performance that the two-component polyurethane adhesive prepared by above-mentioned process conditions sticks agent is shown in Table 1.
Embodiment 3
A kind of glutinous agent of two-component polyurethane adhesive, which includes component A and B component, and B component is liquefied mdi, component A
2 are pressed with B component：1 mass ratio sticks agent to get two-component polyurethane adhesive after mixing.
(1) preparation of component A：
Polyether polyol：50 parts of polyether polyol 330N；
Polymer polyatomic alcohol：28 parts of polymer polyatomic alcohol POP36/28；
Crosslinking agent：6 parts of 1,4- butanediols；
Foam stabiliser：2 parts；
Inertia silicone oil：2 parts of dimethicones.
Tertiary amines gel-type catalyst：1.8 parts of catalyst A33；
Tertiary amines expansion type catalyst：1.2 parts of catalyst A1；
Foaming agent：8 parts of HCFC-141b (a fluorine dichloroethanes)；
Extraordinary silicone oil：1 part.
At 15 DEG C, above-mentioned material is added in reaction kettle, is stirred, after 2 hours, you can obtain component A product.
(2) two-component polyurethane adhesive sticks the use of agent
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature 45
DEG C, component A in mass ratio：The ratio that B component is 2: 1 after mixing, is cast in machine oil filter core end cap by static mixing tube
Filter paper is inserted by inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper, and gel time is 20 seconds
Left and right, room temperature curing 10h.
The performance that the two-component polyurethane adhesive prepared by above-mentioned process conditions sticks agent is shown in Table 1.
Embodiment 4
A kind of glutinous agent of two-component polyurethane adhesive, which includes component A and B component, and B component is liquefied mdi, component A
10 are pressed with B component：1 mass ratio sticks agent to get two-component polyurethane adhesive after mixing.
(1) preparation of component A：
Polyether polyol：80 parts of polyether polyol 330N；
Polymer polyatomic alcohol：8 parts of polymer polyatomic alcohol POP36/28；
Crosslinking agent：3 parts of ethylene glycol；
Foam stabiliser：1 part；
Inertia silicone oil：1 part of ethyl silicon oil.
Tertiary amines gel-type catalyst：1.1253 part catalyst A33；
Tertiary amines expansion type catalyst：0.8746 part of catalyst A1；
Foaming agent：5 parts of HCFC-141b (a fluorine dichloroethanes)；
Extraordinary silicone oil：0.0001 part.
At 25 DEG C, above-mentioned material is added in reaction kettle, is stirred, after 2 hours, you can obtain component A product.
(2) two-component polyurethane adhesive sticks the use of agent
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature 55
DEG C, component A in mass ratio：The ratio that B component is 10: 1 after mixing, is cast in machine oil filter core end cap by static mixing tube
Filter paper is inserted by inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper, and gel time is 15 seconds
Left and right, room temperature curing 4h.
The performance that the two-component polyurethane adhesive prepared by above-mentioned process conditions sticks agent is shown in Table 1.
Embodiment 5
A kind of glutinous agent of two-component polyurethane adhesive, which includes component A and B component, and B component is liquefied mdi, component A
20 are pressed with B component：1 mass ratio sticks agent to get two-component polyurethane adhesive after mixing.
(1) preparation of component A：
Polyether polyol：60 parts of polyether polyol 330N；
Polymer polyatomic alcohol：19 parts of polymer polyatomic alcohol POP36/28；
Crosslinking agent：5 parts of propylene glycol；
Foam stabiliser：1.6 part；
Inertia silicone oil：0.6 part of ethyl silicon oil.
Tertiary amines gel-type catalyst：2 parts of catalyst A33；
Tertiary amines expansion type catalyst：1.5 parts of catalyst A1；
Foaming agent：10 parts of HCFC-141b (a fluorine dichloroethanes)；
Extraordinary silicone oil：0.3 part.
At 15 DEG C, above-mentioned material is added in reaction kettle, is stirred, after 2 hours, you can obtain component A product.
(2) two-component polyurethane adhesive sticks the use of agent
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature 10
DEG C, component A in mass ratio：The ratio that B component is 20: 1 after mixing, is cast in machine oil filter core end cap by static mixing tube
Filter paper is inserted by inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper, and gel time is 100 seconds
Left and right, room temperature curing is for 24 hours.
The performance that the two-component polyurethane adhesive prepared by above-mentioned process conditions sticks agent is shown in Table 1.
Embodiment 6
A kind of glutinous agent of two-component polyurethane adhesive, which includes component A and B component, and B component is liquefied mdi, component A
15 are pressed with B component：1 mass ratio sticks agent to get two-component polyurethane adhesive after mixing.
(1) preparation of component A：
Polyether polyol：72 parts of polyether polyol 330N；
Polymer polyatomic alcohol：12.2 parts of polymer polyatomic alcohol POP36/28；
Crosslinking agent：8 parts of 1,4- butanediols；
Foam stabiliser：0.8 part；
Inertia silicone oil：1.6 parts of dimethicones.
Tertiary amines gel-type catalyst：0.7 part of catalyst A33；
Tertiary amines expansion type catalyst：2 parts of catalyst A1；
Foaming agent：2 parts of HCFC-141b (a fluorine dichloroethanes)；
Extraordinary silicone oil：0.7 part.
At 20 DEG C, above-mentioned material is added in reaction kettle, is stirred, after 2 hours, you can obtain component A product.
(2) two-component polyurethane adhesive sticks the use of agent
By RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, keep batch can temperature 40
DEG C, component A in mass ratio：The ratio that B component is 15: 1 after mixing, is cast in machine oil filter core end cap by static mixing tube
Filter paper is inserted by inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper, and gel time is 25 seconds
Left and right, room temperature curing 15h.
The performance that the two-component polyurethane adhesive prepared by above-mentioned process conditions sticks agent is shown in Table 1.
1 two-component polyurethane adhesive of table sticks the performance indicator of agent
As can be seen from Table 1, various embodiments of the present invention obtain two-component polyurethane adhesive sticks agent, apparent density all >=
402kg/m3；Shore A hardness is all >=30；180 DEG C of peel strengths all >=7.0kN/m；Contractibility is all≤2.6%, non-volatile
Object content is all >=99.1%；Tensile strength all >=27MPa or more；Elongation at break is all >=291%；Heat ageing post-tensioning intensity
(135 DEG C, 500h) all >=25MPa；Elongation at break (135 DEG C, 500h) is all >=286% after heat ageing；Aeronautic ATE post-tensioning
Intensity (135 DEG C, impregnate 192h) all >=26MPa, elongation at break (135 DEG C, impregnate 192h) is all >=287% after aeronautic ATE.
As can be seen that the two-component polyurethane adhesive of the present invention sticks the professional standard that agent fully meets oil strainer, before having wide application
Scape.
Although above example is applied to the bonding of machine oil filter core filter paper and end cap, the present invention can unquestionably push away
Extensively to leak stopping joint filling in other near fields, such as furniture industry, shoemaking industry, building, the bonding of Furniture panel, this is for this
It is obvious for the technical staff in field.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, it will be appreciated by those skilled in the art that can be to the technical side of the present invention
Case is modified or replaced equivalently.Therefore, under the thought without prejudice to the present invention, those skilled in the art can be basic herein
On various changes or modification are made to the present invention, should equally belong to the scope of the present invention.
Claims (10)
1. a kind of two-component polyurethane adhesive sticks agent, it is characterised in that：The adhesive includes component A and B component, the component A packet
Containing polyether polyol, polymer polyatomic alcohol, crosslinking agent, foam stabiliser, inertia silicone oil, tertiary amines gel-type catalyst, tertiary amine
Class expansion type catalyst, foaming agent and extraordinary silicone oil；The B component is polyisocyanates.
2. two-component polyurethane adhesive according to claim 1 sticks agent, it is characterized in that, the weight of each ingredient in the component A
Part it is：
Described polyether polyol 50-95 parts；Described polymer polyatomic alcohol 2-30 parts；Described crosslinking agent 1-8 parts；The foam
0.1-2 parts of stabilizer；0.1-2 parts of the inertia silicone oil；0.1-2 parts of the tertiary amines gel-type catalyst；The tertiary amines
0.01-2 parts of expansion type catalyst；Described foaming agent 0.5-10 parts；0.0001-1 parts of the silicone oil of special type.
3. two-component polyurethane adhesive according to claim 2 sticks agent, it is characterized in that, the weight of each ingredient in the component A
Part it is：
77.759 parts of the polyether polyol；15.552 parts of the polymer polyatomic alcohol；3.110 parts of the crosslinking agent；The bubble
0.389 part of foam stabilizers；0.233 part of the inertia silicone oil；0.467 part of the tertiary amines gel-type catalyst；The tertiary amines
0.156 part of expansion type catalyst；2.333 parts of the foaming agent；0.001 part of the silicone oil of special type.
4. two-component polyurethane adhesive according to claim 1 sticks agent, which is characterized in that the quality of the component A and B component
The ratio between be 2-20: 1.
5. adhesive according to claim 1, which is characterized in that in the component A：
The polyether polyol is the mixing of one or more of polyether Glycols, polyether-tribasic alcohol, polyethers tetrahydroxylic alcohol；
The polymer polyatomic alcohol is vinyl polymer graft polyether polyol；
The polymer polyatomic alcohol is vinyl polymer graft polyether polyol；
The crosslinking agent is di-alcohols, selected from 1,4-butanediol, ethylene glycol, Diethylene Glycol, 1,6- hexylene glycols, 1,3- third
One or more of glycol, trimethylolpropane, hydroquinone two (2- ethoxys) ether, hydrogenated bisphenol A, 1,4- cyclohexanediols
Mixing；
The inertia silicone oil is methyl-silicone oil, ethyl silicon oil, phenyl silicone oil, methyl phenyl silicone oil, long alkyl-silicone oil, trifluoro propyl
The mixing of one or more of silicone oil and polyether silicone oil；
The tertiary amines gel-type catalyst is catalyst A33；
The tertiary amines expansion type catalyst is catalyst A1；
The foaming agent is selected from liquid CO2, alkane, cycloalkane, dialkyl ether, ring alkylene ether, one or more of fluoroalkane
Mixing.
6. two-component polyurethane adhesive according to claim 5 sticks agent, which is characterized in that in component A：
The polyether polyol is polyether polyol 330N；
The polymer polyatomic alcohol is polymer polyatomic alcohol POP36/28；
The crosslinking agent is selected from the mixed of one or more of 1,4- butanediols, ethylene glycol, 1,6-HD, 1,3- propylene glycol
It closes；
The inertia silicone oil is dimethicone；
The foaming agent is a fluorine dichloroethanes.
7. two-component polyurethane adhesive according to claim 1 sticks agent, which is characterized in that the polyisocyanates is more phenyl
Polymethylene polyisocyanates, 2,4 toluene diisocyanate, 2,4'- methyl diphenylene diisocyanates, hexa-methylene two are different
Cyanate, dimethylene phenylene diisocyanate, carbodiimides-uretonimine-modified MDI, 3- isocyanates methylene -3,
The mixing of one or more of 5,5- trimethylcyclohexylisocyanates and 4,4'- dicyclohexyl methyl hydride diisocyanates.
8. two-component polyurethane adhesive according to claim 7 sticks agent, which is characterized in that the polyisocyanates is liquefaction
MDI。
9. a kind of preparation method sticking agent according to claim 1-8 any one of them two-component polyurethane adhesives, which is characterized in that
The preparation method includes the following steps：
(1) prepared by component A
At 15-25 DEG C, successively by polyether polyol, polymer polyatomic alcohol, crosslinking agent, foam stabiliser, inertia silicone oil, tertiary amine
Gellike type catalyst, tertiary amines expansion type catalyst, foaming agent and extraordinary silicone oil are added in reaction kettle and are stirred, and wait for that 2 is small
Shi Hou, you can obtain the component A product.
(2) prepared by B component
By industrial goods direct packaging.
(3) component A and B component phase separation storage.
10. application of the agent in vehicle filter filter core is sticked according to claim 1-9 any one of them two-component polyurethane adhesives,
It is characterized in that, by RIM techniques, component A and B component are respectively placed in A, B batch can of glue-injection machine, batch can temperature is kept to exist
10-60 DEG C, by weight component A：The ratio that B component is 2-20: 1 after mixing, is cast in machine oil by static mixing tube
Filter paper is inserted by filter element end cap inner surface, levelling when viscosifying, and one layer of glue-line is formd between end cap and filter paper,
Gel time is 5-100 seconds, room temperature curing 1-24h.
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