CN109536117A - A kind of fast curable type polyurethane sealant and preparation method thereof - Google Patents
A kind of fast curable type polyurethane sealant and preparation method thereof Download PDFInfo
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- CN109536117A CN109536117A CN201811502441.6A CN201811502441A CN109536117A CN 109536117 A CN109536117 A CN 109536117A CN 201811502441 A CN201811502441 A CN 201811502441A CN 109536117 A CN109536117 A CN 109536117A
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- CN
- China
- Prior art keywords
- parts
- polyethers
- deicer
- curable type
- type polyurethane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of fast curable type polyurethane sealants and preparation method thereof, and sealant is divided into according to components by weight percent: 60-90 parts of polytetrahydrofuran ether glycol, 30-50 parts of isophorone diisocyanate, 10-30 parts of 230 polyethers, 2-6 parts of 204 polyethers, 5-10 parts of dioctyl phthalate, 0.2-1.0 parts of deicer, 1-4 parts of latent curing agent, 0.2-1.5 parts of fumed silica, 40-50 parts of calcium carbonate superfine powder, 1-3 parts of barium sulfate, 0.01-0.05 parts of triethylene diamine, 0.02-0.06 parts of composite catalyst.Sealant of the invention have higher mechanical property, bucket can be opened and used, it is easy for construction, curing rate quickly, because environmental factor lead to not construct adverse effect be effectively reduced；It is a environment-friendly products conducive to environment that the product does not add solvent in research and development and production, meets the current environmental requirement in China, can be directly exposed on probation, intends being used as inlay sealing material, labor and material saving.
Description
Technical field
The present invention relates to fields more particularly to a kind of fast curable type polyurethane sealant and preparation method thereof.
Background technique
Sealant is a kind of multi-functional material, has the effects that energy conservation, waterproof, sound insulation, heat preservation and insulation.It is just fast at present
Fastly develop to fields such as electronics, building, machine-building, automobile, aerospaces, therefore it is required that sealant springiness, bonding
Power is strong, temperature sensitivity is small, UV resistant and ageing-resistant performance are good, nontoxic, construction party makes, and has to most of material good
Adhering and sealing effect.
Polyurethane sealant generally all contains the highly polar group such as-NCO ,-OH and urea groups, and tough bullet can be formed after solidification
Property adhesive layer.Polyurethane molecular is looked at as the block copolymer of soft segment and rigid chain segment, and design feature makes polyurethane
Sealant all has good bonding force to many materials, and has oil resistant, wear-resisting, vibration resistance, fatigue durability, low temperature resistant, bullet
The advantages that property is good, elongation percentage is big, thus polyurethane sealant is in mechanical equipment, case, pipeline facilities, electrical equipment industry, vehicle
The townshiies such as structure, construction are used widely in kind field.For this purpose, it is proposed that a kind of fast curable type polyurethane sealant and its
Preparation method.
Summary of the invention
In view of the above-mentioned problems, the present invention provides one kind to have higher mechanical property, bucket can be opened and used, it is easy for construction,
Curing rate quickly, because environmental factor leads to not the fast curable type polyurethane sealant that is effectively reduced of adverse effect of construction
And preparation method thereof.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of fast curable type polyurethane sealant and
Preparation method is divided into according to components by weight percent: 60-90 parts of polytetrahydrofuran ether glycol, isophorone diisocyanate 30-50
Part, 10-30 parts of 230 polyethers, 2-6 parts of 204 polyethers, 5-10 parts of dioctyl phthalate, 0.2-1.0 parts of deicer, latent solidification
1-4 parts of agent, 0.2-1.5 parts of fumed silica, 40-50 parts of calcium carbonate superfine powder, 1-3 parts of barium sulfate, triethylene diamine 0.01-
0.05 part, 0.02-0.06 parts of composite catalyst.
Further, 60 parts of polytetrahydrofuran ether glycol, 30 parts of isophorone diisocyanate, 15 parts of 230 polyethers, 204
3.5 parts of polyethers, 0.4 part of deicer, 1.5 parts of latent curing agent, 0.5 part of fumed silica, surpasses 6 parts of dioctyl phthalate
Thin 43 parts of calcium carbonate, 1 part of barium sulfate, 0.01 part of triethylene diamine, 0.04 part of composite catalyst.
Further, the deicer is ALT-201.
Further, the composite catalyst is formulated by dibutyl tin dilaurate and stannous octoate.
A kind of preparation method of fast curable type polyurethane sealant, specific preparation method include the following steps:
By polytetrahydrofuran ether glycol at 100 DEG C, revolving speed is 600-800 revs/min, vacuum dehydration 2.5 hours, is cooled down
When to 60 DEG C, it is added dropwise to isophorone diisocyanate and triethylene diamine, slowly heats up, at 75 DEG C~80 DEG C, is in revolving speed
It under 600-1000 revs/min of speed, stirs 2 hours, performed polymer is made.
At 180 DEG C, calcium carbonate superfine powder and fumed silica are toasted 24 hours, remove moisture.
At 120 DEG C, revolving speed is 1000-1200 revs/min, by 230 polyethers, 204 polyethers, dioctyl phthalate, is removed
Aqua vacuum dehydration 2.5 hours.
Performed polymer, dioctyl phthalate, latent curing agent and deicer are added in agitator tank, gas phase is slow added into
Silica stirs evenly, and adds calcium carbonate superfine powder.Revolving speed is 800-1000 revs/min, is stirred 1 hour, and temperature is 45 DEG C
~55 DEG C, it is passed through nitrogen, 230 polyethers for having taken off water and 204 polyethers and composite catalyst is added, at 500-800 revs/min of revolving speed
Speed under, stirring 25 minutes after.
By the above-mentioned description to structure of the invention it is found that compared to the prior art, the present invention has the advantage that
The present invention passes through polyether polyol, isocyanates, 230 polyethers, 204 polyethers, dioctyl phthalate, water removal
Agent, fumed silica, calcium carbonate superfine powder, barium sulfate, composite catalyst, polyurethane sealant obtained under stirring action, make
The curing time for obtaining sealant is largely shortened, and the use limitation under construction environment is greatly reduced；With higher force
Performance can open bucket and use, easy for construction, curing rate quickly, because environmental factor lead to not construction adverse effect obtain
It is effectively reduced；It is a environment-friendly products conducive to environment that the product does not add solvent in research and development and production, meets China's mesh
Preceding environmental requirement, can be directly exposed on probation, intends being used as inlay sealing material, labor and material saving.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
A kind of fast curable type polyurethane sealant, is divided into according to components by weight percent: 60 parts of polytetrahydrofuran ether glycol, isophorone
30 parts of diisocyanate, 3.5 parts of 204 polyethers, 6 parts of dioctyl phthalate, 0.4 part of deicer, is dived admittedly at 15 parts of 230 polyethers
2 parts of agent, 0.55 part of fumed silica, 43 parts of calcium carbonate superfine powder, 1 part of barium sulfate, 0.01 part of triethylene diamine, composite catalyzing
0.04 part of agent.
The deicer is ALT-201.
The composite catalyst is formulated by dibutyl tin dilaurate and stannous octoate.
A kind of preparation method of fast curable type polyurethane sealant, it is specific the preparation method is as follows:
1) by polytetrahydrofuran ether glycol at 100 DEG C, revolving speed is 600 revs/min, vacuum dehydration 2.5 hours, is cooled to
At 60 DEG C, it is added dropwise to isophorone diisocyanate and triethylene diamine, is slowly heated up, is 800 in revolving speed at 75 DEG C~80 DEG C
Rev/min speed under, stir 2 hours.Performed polymer is made.
2) at 180 DEG C, calcium carbonate superfine powder and fumed silica are toasted 24 hours, remove moisture.
3) at 120 DEG C, revolving speed is 1000 revs/min, by 230 polyethers, 204 polyethers, dioctyl phthalate, deicer
Vacuum dehydration 2.5 hours.
4) performed polymer, dioctyl phthalate, latent curing agent and deicer are added in agitator tank, are slow added into gas
Aerosil stirs evenly, and adds calcium carbonate superfine powder.Revolving speed is 800 revs/min, is stirred 1 hour, and temperature is 45 DEG C.It is logical
Enter nitrogen.230 polyethers for having taken off water and 204 polyethers and composite catalyst is added, under 600 revs/min of revolving speed of speed, stirring
After 25 minutes.
Embodiment 2
The invention discloses a kind of fast curable type polyurethane sealants, are divided into according to components by weight percent: polytetrahydrofuran ether glycol
64 parts, 32 parts of isophorone diisocyanate, 17 parts of 230 polyethers, 4.5 parts of 204 polyethers, 8 parts of dioctyl phthalate, water removal
0.6 part of agent, 2.5 parts of latent curing agent, 0.8 part of fumed silica, 46 parts of calcium carbonate superfine powder, 1.4 parts of barium sulfate, triethylene diamine
0.01 part, 0.06 part of composite catalyst.
The deicer is ALT-201.
The composite catalyst is formulated by dibutyl tin dilaurate and stannous octoate.
A kind of preparation method of fast curable type polyurethane sealant, it is specific the preparation method is as follows:
1) by polytetrahydrofuran ether glycol at 100 DEG C, revolving speed is 700 revs/min, vacuum dehydration 2.5 hours, is cooled to
At 60 DEG C, it is added dropwise to isophorone diisocyanate and triethylene diamine, is slowly heated up, is 900 in revolving speed at 75 DEG C~80 DEG C
Rev/min speed under, stir 2 hours.Performed polymer is made.
2) at 180 DEG C, calcium carbonate superfine powder and fumed silica are toasted 24 hours, remove moisture.
3) at 120 DEG C, revolving speed is 1100 revs/min, by 230 polyethers, 204 polyethers, dioctyl phthalate, deicer
Vacuum dehydration 2.5 hours.
4) performed polymer, dioctyl phthalate, latent curing agent and deicer are added in agitator tank, are slow added into gas
Aerosil stirs evenly, and adds calcium carbonate superfine powder.Revolving speed is 900 revs/min, is stirred 1 hour, and temperature is 50 DEG C.It is logical
Enter nitrogen.230 polyethers for having taken off water and 204 polyethers and composite catalyst is added, under 700 revs/min of revolving speed of speed, stirring
After 25 minutes.
Embodiment 3
The invention discloses a kind of fast curable type polyurethane sealants, are divided into according to components by weight percent: polytetrahydrofuran ether glycol
72 parts, 36 parts of isophorone diisocyanate, 20 parts of 230 polyethers, 5 parts of 204 polyethers, 8 parts of dioctyl phthalate, deicer
0.8 part, 3 parts of latent curing agent, 0.9 part of fumed silica, 48 parts of calcium carbonate superfine powder, 3 parts of barium sulfate, triethylene diamine 0.02
Part, 0.06 part of composite catalyst.
The deicer is ALT-201.
The composite catalyst is formulated by dibutyl tin dilaurate and stannous octoate.
A kind of preparation method of fast curable type polyurethane sealant, it is specific the preparation method is as follows:
1) by polytetrahydrofuran ether glycol at 100 DEG C, revolving speed is 800 revs/min, vacuum dehydration 100 minutes, is cooled to
At 60 DEG C, it is added dropwise to isophorone diisocyanate and triethylene diamine, slowly heats up, at 75 DEG C~80 DEG C, is in revolving speed
Under 1000 revs/min of speed, stir 100 minutes.Performed polymer is made.
2) at 180 DEG C, calcium carbonate superfine powder and fumed silica are toasted 24 hours, remove moisture.
3) at 120 DEG C, revolving speed is 1200 revs/min, by 230 polyethers, 204 polyethers, dioctyl phthalate, deicer
Vacuum dehydration 90 minutes.
4) performed polymer, dioctyl phthalate, latent curing agent and deicer are added in agitator tank, are slow added into gas
Aerosil stirs evenly, and adds calcium carbonate superfine powder.Revolving speed is 1000 revs/min, is stirred 40 minutes, and temperature is 55 DEG C.
It is passed through nitrogen.230 polyethers for having taken off water and 204 polyethers are added and composite catalyst stirs under 800 revs/min of revolving speed of speed
After mixing 25 minutes.
The present invention passes through polyether polyol, isocyanates, 230 polyethers, 204 polyethers, dioctyl phthalate, water removal
Agent, fumed silica, calcium carbonate superfine powder, barium sulfate, composite catalyst, polyurethane sealant obtained under stirring action, make
The curing time for obtaining sealant is largely shortened, and the use limitation under construction environment is greatly reduced；With higher force
Performance can open bucket and use, easy for construction, curing rate quickly, because environmental factor lead to not construction adverse effect obtain
It is effectively reduced；It is a environment-friendly products conducive to environment that the product does not add solvent in research and development and production, meets China's mesh
Preceding environmental requirement, can be directly exposed on probation, intends being used as inlay sealing material, labor and material saving.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of fast curable type polyurethane sealant and preparation method thereof, it is characterised in that: be divided into according to components by weight percent: poly- tetrahydro furan
It mutters 60-90 parts of ether glycol, 30-50 parts of isophorone diisocyanate, 10-30 parts of 230 polyethers, 2-6 parts of 204 polyethers, adjacent benzene two
5-10 parts of formic acid dioctyl ester, 0.2-1.0 parts of deicer, 1-4 parts of latent curing agent, 0.2-1.5 parts of fumed silica, ultra-fine carbonic acid
40-50 parts of calcium, 1-3 parts of barium sulfate, 0.01-0.05 parts of triethylene diamine, 0.02-0.06 parts of composite catalyst.
2. a kind of fast curable type polyurethane sealant according to claim 1, it is characterised in that: be divided into according to components by weight percent: poly-
60 parts of tetrahydrofuran ether glycol, 30 parts of isophorone diisocyanate, 15 parts of 230 polyethers, 3.5 parts of 204 polyethers, phthalic acid
6 parts of dioctyl ester, 0.4 part of deicer, 1.5 parts of latent curing agent, 0.5 part of fumed silica, 43 parts of calcium carbonate superfine powder, barium sulfate 1
Part, 0.01 part of triethylene diamine, 0.04 part of composite catalyst.
3. a kind of fast curable type polyurethane sealant according to claim 1, it is characterised in that: the deicer is ALT-201.
4. a kind of fast curable type polyurethane sealant according to claim 1, it is characterised in that: the composite catalyst is by February
Dilaurylate is formulated with stannous octoate.
5. a kind of preparation method of the fast curable type polyurethane sealant in Claims 1 to 4 any one, it is characterised in that: tool
The preparation method of body includes the following steps:
By polytetrahydrofuran ether glycol at 100 DEG C, revolving speed is 600-800 revs/min, vacuum dehydration 2.5 hours, is cooled to 60
DEG C when, be added dropwise to isophorone diisocyanate and triethylene diamine, slowly heat up, at 75 DEG C~80 DEG C, revolving speed be 600-
It under 1000 revs/min of speed, stirs 2 hours, performed polymer is made.
At 180 DEG C, calcium carbonate superfine powder and fumed silica are toasted 24 hours, remove moisture.
At 120 DEG C, revolving speed is 1000-1200 revs/min, by 230 polyethers, 204 polyethers, dioctyl phthalate, deicer
Vacuum dehydration 2.5 hours.
Performed polymer, dioctyl phthalate, latent curing agent and deicer are added in agitator tank, gas phase dioxy is slow added into
SiClx stirs evenly, and adds calcium carbonate superfine powder.Revolving speed is 800-1000 revs/min, is stirred 1 hour, and temperature is 45 DEG C~55
DEG C, it is passed through nitrogen, 230 polyethers for having taken off water and 204 polyethers and composite catalyst is added, in 500-800 revs/min of revolving speed of speed
Under degree, after stirring 25 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502441.6A CN109536117A (en) | 2018-12-10 | 2018-12-10 | A kind of fast curable type polyurethane sealant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502441.6A CN109536117A (en) | 2018-12-10 | 2018-12-10 | A kind of fast curable type polyurethane sealant and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109536117A true CN109536117A (en) | 2019-03-29 |
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| CN201811502441.6A Pending CN109536117A (en) | 2018-12-10 | 2018-12-10 | A kind of fast curable type polyurethane sealant and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6930161B2 (en) * | 2001-09-26 | 2005-08-16 | Basf Coatings Ag | Polyurethane, method for production and use thereof |
| CN102676039A (en) * | 2012-05-29 | 2012-09-19 | 苏州中材非金属矿工业设计研究院有限公司 | Moisturecured one-component polyurethane paint and preparation method thereof |
| CN102690626A (en) * | 2012-05-29 | 2012-09-26 | 苏州中材非金属矿工业设计研究院有限公司 | Single-component polyurethane sealant capable of quickly curing moisture and preparation method thereof |
| CN102952515A (en) * | 2011-08-19 | 2013-03-06 | 朱云利 | Preparation method of polyurethane sealant |
| CN107057626A (en) * | 2016-12-29 | 2017-08-18 | 芜湖研高粘胶新材料有限公司 | A kind of polyurethane sealant |
-
2018
- 2018-12-10 CN CN201811502441.6A patent/CN109536117A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6930161B2 (en) * | 2001-09-26 | 2005-08-16 | Basf Coatings Ag | Polyurethane, method for production and use thereof |
| CN102952515A (en) * | 2011-08-19 | 2013-03-06 | 朱云利 | Preparation method of polyurethane sealant |
| CN102676039A (en) * | 2012-05-29 | 2012-09-19 | 苏州中材非金属矿工业设计研究院有限公司 | Moisturecured one-component polyurethane paint and preparation method thereof |
| CN102690626A (en) * | 2012-05-29 | 2012-09-26 | 苏州中材非金属矿工业设计研究院有限公司 | Single-component polyurethane sealant capable of quickly curing moisture and preparation method thereof |
| CN107057626A (en) * | 2016-12-29 | 2017-08-18 | 芜湖研高粘胶新材料有限公司 | A kind of polyurethane sealant |
Non-Patent Citations (2)
| Title |
|---|
| 吴粤宁 等: "快固高硬度聚氨酯单组分密封胶的研究", 《粘接》 * |
| 陈立功 等编: "《药物中间体合成工艺》", 30 June 2001, 化学工业出版社 * |
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