CN107502269A - Adhesive for plastic bonding - Google Patents
Adhesive for plastic bonding Download PDFInfo
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- CN107502269A CN107502269A CN201710714346.1A CN201710714346A CN107502269A CN 107502269 A CN107502269 A CN 107502269A CN 201710714346 A CN201710714346 A CN 201710714346A CN 107502269 A CN107502269 A CN 107502269A
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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
-
- 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
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
- C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4045—Mixtures of compounds of group C08G18/58 with other macromolecular compounds
-
- 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
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
- C08G18/58—Epoxy resins
-
- 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
- C08G18/6692—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/34
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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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)
- Manufacturing & Machinery (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses the adhesive for plastic bonding, and by mass fraction, its material component includes：24 32 parts of epoxy resin, 42 46 parts of toluene di-isocyanate(TDI), 20 25 parts of dihydroxy ethyl propionic acid, 11 16 parts of chain extender, 21 34 parts of propane diols polyethers, 6 12 parts of triethylamine, 30 36 parts of water.The invention provides the adhesive for plastic bonding, this adhesive is bonded for plastic products, plastic products can bonded together, adhesive strength is very high, will not fall off.
Description
Technical field
The present invention relates to the adhesive of technical field of adhesive, more particularly, to plastic bonding.
Background technology
The fast development of industry, the life to us generate very big influence.
Wherein, the extensive utilization of plastic products, enriches our material life.It is many that plastic products also instead of us
Traditional hand work.Such as：Chair, bed and door and window.It is due to plastic products nor entirely integrally formed, a lot
And assembled by parts., can be by punching, by mortise-tenon joint into one but plastics are different from timber
It is overall.So many people want to connect the parts of plastics by adhesive.
But there is poor adhesion, can be taken off between plastics in the existing adhesive for bonding plastics in bonding
The problem of falling.
The content of the invention
In view of this, the invention provides the adhesive for plastic bonding, this adhesive to be bonded for plastic products, can
So that plastic products to be bonded together, adhesive strength is very high, will not fall off.
For the adhesive of plastic bonding, by mass fraction, its material component includes：
Preferably, by mass fraction, its material component is：
Preferably, by mass fraction, its material component is：
Preferably, component also includes N- ethyl pyrrolidones, and mass fraction is 3-5 parts.
Preferably, component also includes acetone, and mass fraction is 1-3 parts.
Preferably, the chain extender is at least one of the butanediol of Isosorbide-5-Nitrae one, 1,6- hexylene glycols and glycerine.
Preferably, the chain extender is 1,6- hexylene glycols.
Preferably, the water is deionized water.
The invention provides the adhesive for plastic bonding, this adhesive is bonded for plastic products, can be by plastics
Product bonds together, and adhesive strength is very high, will not fall off.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of protection of the invention.
It should be appreciated that ought be in this specification and in the appended claims in use, term " comprising " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but it is not precluded from one or more of the other feature, whole
Body, step, operation, element, component and/or its presence or addition for gathering.
It will be further appreciated that the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more of the associated item listed and be possible to combine, and including these combinations.
Embodiment 1
For the adhesive of plastic bonding, by mass fraction, its material component includes：
Its preparation method is：
It is accurate weigh epoxy resin, toluene di-isocyanate(TDI), dihydroxy ethyl propionic acid, glycerine, propane diols polyethers, triethylamine with
And deionized water；
Inert gas is passed through into reactor, toluene di-isocyanate(TDI) and propane diols polyethers are added into reactor,
Mixing speed is 60r/min, while reactor is heated that programming rate is 5 DEG C/min；
72 DEG C are risen to temperature, maintains this temperature range, reacts 18min；
Glycerine is added into reactor, carries out chain propagation reaction, reaction time 60min；
After the reaction time, system temperature is down to 70 DEG C, dihydroxy ethyl propionic acid and asphalt mixtures modified by epoxy resin are added into reactor
Fat, mixing speed is risen to as 210r/min, accelerates the dissolving of epoxy resin, reacts 60min in such circumstances；
After reaction time, system temperature is down to 42 DEG C, triethylamine is added, system is neutralized, the reaction time is
10min；
Acetone and 1-METHYLPYRROLIDONE are added into system, for controlling the viscosity of performed polymer, the reaction time is
3min；
Deionized water is added into system, is emulsified, mixing speed is risen to as 380r/min, obtains adhesive.
Embodiment 2
For the adhesive of plastic bonding, by mass fraction, its material component includes：
Its preparation method is：
Accurately weigh epoxy resin, toluene di-isocyanate(TDI), dihydroxy ethyl propionic acid, 1,6- hexylene glycols, propane diols polyethers, three
Ethamine and deionized water；
Inert gas is passed through into reactor, toluene di-isocyanate(TDI) and propane diols polyethers are added into reactor,
Mixing speed is 90r/min, while reactor is heated that programming rate is 3 DEG C/min；
78 DEG C are risen to temperature, maintains this temperature range, reacts 10min；
1,6- hexylene glycols are added into reactor, carry out chain propagation reaction, reaction time 80min；
After the reaction time, system temperature is down to 65 DEG C, dihydroxy ethyl propionic acid and asphalt mixtures modified by epoxy resin are added into reactor
Fat, mixing speed is risen to as 270r/min, accelerates the dissolving of epoxy resin, reacts 40min in such circumstances；
After reaction time, system temperature is down to 46 DEG C, triethylamine is added, system is neutralized, the reaction time is
5min；
Deionized water is added into system, is emulsified, mixing speed is risen to as 320r/min, obtains adhesive.
Embodiment 3
For the adhesive of plastic bonding, by mass fraction, its material component includes：
Its preparation method is：
Accurately weigh epoxy resin, toluene di-isocyanate(TDI), dihydroxy ethyl propionic acid, BDO, propane diols polyethers, three
Ethamine and deionized water；
Inert gas is passed through into reactor, toluene di-isocyanate(TDI) and propane diols polyethers are added into reactor,
Mixing speed is 70r/min, while reactor is heated that programming rate is 4 DEG C/min；
74 DEG C are risen to temperature, maintains this temperature range, reacts 12min；
BDO is added into reactor, carries out chain propagation reaction, reaction time 65min；
After the reaction time, system temperature is down to 66 DEG C, dihydroxy ethyl propionic acid and asphalt mixtures modified by epoxy resin are added into reactor
Fat, mixing speed is risen to as 220r/min, accelerates the dissolving of epoxy resin, reacts 45min in such circumstances；
After reaction time, system temperature is down to 43 DEG C, triethylamine is added, system is neutralized, the reaction time is
6min；
Acetone and 1-METHYLPYRROLIDONE are added into system, for controlling the viscosity of performed polymer, the reaction time is
4min；
Deionized water is added into system, is emulsified, mixing speed is risen to as 340r/min, obtains adhesive.
Embodiment 4
For the adhesive of plastic bonding, by mass fraction, its material component includes：
Its preparation method is：
Accurately weigh epoxy resin, toluene di-isocyanate(TDI), dihydroxy ethyl propionic acid, BDO, propane diols polyethers, three
Ethamine and deionized water；
Inert gas is passed through into reactor, toluene di-isocyanate(TDI) and propane diols polyethers are added into reactor,
Mixing speed is 80r/min, while reactor is heated that programming rate is 5 DEG C/min；
76 DEG C are risen to temperature, maintains this temperature range, reacts 16min；
BDO is added into reactor, carries out chain propagation reaction, reaction time 75min；
After the reaction time, system temperature is down to 69 DEG C, dihydroxy ethyl propionic acid and asphalt mixtures modified by epoxy resin are added into reactor
Fat, mixing speed is risen to as 260r/min, accelerates the dissolving of epoxy resin, reacts 55min in such circumstances；
After reaction time, system temperature is down to 45 DEG C, triethylamine is added, system is neutralized, the reaction time is
9min；
Acetone and 1-METHYLPYRROLIDONE are added into system, for controlling the viscosity of performed polymer, the reaction time is
3min；
Deionized water is added into system, is emulsified, mixing speed is risen to as 360r/min, obtains adhesive.
Embodiment 5
For the adhesive of plastic bonding, by mass fraction, its material component includes：
Its preparation method is：
Accurately weigh epoxy resin, toluene di-isocyanate(TDI), dihydroxy ethyl propionic acid, 1,6- hexylene glycols, propane diols polyethers, three
Ethamine and deionized water；
Inert gas is passed through into reactor, toluene di-isocyanate(TDI) and propane diols polyethers are added into reactor,
Mixing speed is 74r/min, while reactor is heated that programming rate is 4 DEG C/min；
75 DEG C are risen to temperature, maintains this temperature range, reacts 14min；
1,6- hexylene glycols are added into reactor, carry out chain propagation reaction, reaction time 72min；
After the reaction time, system temperature is down to 67 DEG C, dihydroxy ethyl propionic acid and asphalt mixtures modified by epoxy resin are added into reactor
Fat, mixing speed is risen to as 245r/min, accelerates the dissolving of epoxy resin, reacts 54min in such circumstances；
After reaction time, system temperature is down to 44 DEG C, triethylamine is added, system is neutralized, the reaction time is
7min；
Deionized water is added into system, is emulsified, mixing speed is risen to as 355r/min, obtains adhesive.
The adhesive that embodiment 1-5 is produced, it is applied between two plastic products, to its tensile strength and shear strength
Tested, test result is as follows：
| Tensile strength (Mpa) | Shear strength (Mpa) | |
| Embodiment 1 | 48.3 | 31.2 |
| Embodiment 2 | 47.2 | 32.4 |
| Embodiment 3 | 48.8 | 32.8 |
| Embodiment 4 | 47.2 | 33.6 |
| Embodiment 5 | 49.4 | 35.4 |
According to chart as can be seen that embodiment 1 to 5 adhesive, have in terms of tensile strength and shear strength
Higher intensity, show that this adhesive adhesive strength is very high, when for bond plastic, plastic products will not be fallen off.
Step in present invention method can be sequentially adjusted, merged and deleted according to actual needs.
It is described in detail herein, applies specific case and the principle and embodiment of the present invention are explained
State, above example is only intended to help the method and its core concept for understanding the present invention；Meanwhile for the general skill of this area
Art personnel, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this
Description should not be construed as limiting the invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Claims (8)
1. the adhesive for plastic bonding, it is characterised in that its material component includes by mass fraction：
2. adhesive as claimed in claim 1, it is characterised in that its material component is by mass fraction：
3. adhesive as claimed in claim 1, it is characterised in that its material component is by mass fraction：
4. the adhesive as described in claim 1-3 is any, it is characterised in that：Component also includes N- ethyl pyrrolidones, quality
Number is 3-5 parts.
5. the adhesive as described in claim 1-3 is any, it is characterised in that：Component also includes acetone, mass fraction 1-3
Part.
6. the adhesive as described in claim 1-3 is any, it is characterised in that：The chain extender be the butanediol of Isosorbide-5-Nitrae one, 1,6- oneself
At least one of glycol and glycerine.
7. adhesive as claimed in claim 6, it is characterised in that：The chain extender is 1,6- hexylene glycols.
8. the adhesive as described in claim 1-3 is any, it is characterised in that：The water is deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714346.1A CN107502269A (en) | 2017-08-18 | 2017-08-18 | Adhesive for plastic bonding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714346.1A CN107502269A (en) | 2017-08-18 | 2017-08-18 | Adhesive for plastic bonding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107502269A true CN107502269A (en) | 2017-12-22 |
Family
ID=60692319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714346.1A Pending CN107502269A (en) | 2017-08-18 | 2017-08-18 | Adhesive for plastic bonding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107502269A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391821A (en) * | 2011-09-09 | 2012-03-28 | 北京高盟新材料股份有限公司 | Aqueous polyurethane adhesive for bead planting and preparation method thereof |
| CN103739811A (en) * | 2013-12-18 | 2014-04-23 | 上海东和胶粘剂有限公司 | Waterborne polyurethane and preparation method thereof |
-
2017
- 2017-08-18 CN CN201710714346.1A patent/CN107502269A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391821A (en) * | 2011-09-09 | 2012-03-28 | 北京高盟新材料股份有限公司 | Aqueous polyurethane adhesive for bead planting and preparation method thereof |
| CN103739811A (en) * | 2013-12-18 | 2014-04-23 | 上海东和胶粘剂有限公司 | Waterborne polyurethane and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 邓朝霞: "扩链剂对环氧聚氨酯复合乳液性能的影响", 《化工新型材料》 * |
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Application publication date: 20171222 |