CN109749040A - A kind of single-component cranny filler of polyurethane foam - Google Patents
A kind of single-component cranny filler of polyurethane foam Download PDFInfo
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- CN109749040A CN109749040A CN201811630948.XA CN201811630948A CN109749040A CN 109749040 A CN109749040 A CN 109749040A CN 201811630948 A CN201811630948 A CN 201811630948A CN 109749040 A CN109749040 A CN 109749040A
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- polyurethane foam
- cranny filler
- component cranny
- plasticizer
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Abstract
The invention discloses a kind of single-component cranny filler of polyurethane foam, its raw material includes following components by weight: 30.0-60.0 parts of polyether polyol, 2.0-6.0 parts of catalyst, 1.0-4.0 parts of curing agent, 2.0-6.0 parts of plasticizer, 20.0-40.0 parts of solvent, this single-component cranny filler of polyurethane foam, have good flexibility and tensile strength, uniform foam cell, it can use at low ambient temperatures, contain DMDEE catalyst in its inside, activity is milder, storage stability is good, the surface drying rate of OCF can be effectively facilitated, solidification rate and frothing percentage, contain CP52 plasticizer in its inside, compatibility is good, it can reduce the viscosity and brittleness of OCF, increase its flexibility, it is internal added with ketimine cured dose, it can reduce the viscosity of OCF , make its rapid moisturecuring, improve its tensile strength.
Description
Technical field
The present invention relates to technical field of polymer, specially a kind of single-component cranny filler of polyurethane foam.
Background technique
Single-component cranny filler of polyurethane foam is by components such as base polyurethane prepolymer for use as, catalyst, foaming agent, propellants with list
A kind of special polyurethane products of branch inhalator jar form package storage have many advantages, such as that preceding foaming, high expansion, contraction are small, and
Foam of the intensity of foam well, after bonding force high solidification has the multi-effects such as joint filling, bonding, sealing, heat-insulated, sound-absorbing, is
A kind of environmental protection and energy saving, construction material easy to use are applicable to sealing and plugging, fill a vacancy and squeegee, fix bonding, heat preservation and soundproof,
The sealing and plugging and waterproof being particularly suitable between plastic-steel or aluminum alloy doors and windows and wall；
In the prior art: application publication number is that the patent of 107880239 A of CN discloses a kind of monocomponent polyurethane foam
Gap filler, the raw material including following mass fraction: polyether polyol 10-15%, modified polyether polylol 5-10%, fire retardant
40-50%, catalyst 1-2%, foam stabilizer 6-10%, polymethylene polyphenyl Isocyanate 15-25%, dimethyl ether 2-5% are pushed away
Into agent 3-5%, the polyether polyol includes: polyether polyol A, viscosity 40-80mPa.s, hydroxyl value 260-300mg
KOH/g and polyether polyol B, viscosity 220-300mPa.s, hydroxyl value are 160-170mg KOH/g, can not be compared with low temperature
It is used under degree environment, use scope is narrow, and flexibility is poor, and poor tensile strength, abscess is not uniform enough, and it is impossible to meet use demands.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of monocomponent polyurethane foam joint filling
Agent can use at low ambient temperatures, and use scope is wide, and flexibility is good, and tensile strength is strong, uniform foam cell, can effectively solve
The problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of single-component cranny filler of polyurethane foam, former
Material by weight include following components: 30.0-60.0 parts of polyether polyol, 2.0-6.0 parts of catalyst, 1.0-4.0 parts of curing agent,
2.0-6.0 parts of plasticizer, 20.0-40.0 parts of solvent.
The polyether polyol is two degrees of functionality and three-functionality-degree in 1.0: 1.0 ratios mixing gained, and molecular weight exists
Between 400.0-3000.0.
As a preferred technical solution of the present invention, the catalyst is DMDEE.
As a preferred technical solution of the present invention, the plasticizer CP52.
As a preferred technical solution of the present invention, the curing agent is ketimide.
As a preferred technical solution of the present invention, the solvent includes DME and LPG.
Compared with prior art, the beneficial effects of the present invention are: this single-component cranny filler of polyurethane foam, has good
Flexibility and tensile strength, uniform foam cell can use at low ambient temperatures, internal to contain DMDEE catalyst, and activity is more soft
It is good with storage stability, surface drying rate, solidification rate and the frothing percentage of OCF can be effectively facilitated, it is internal to be plasticized containing CP52
Agent, compatibility is good, can reduce the viscosity and brittleness of OCF, increases its flexibility, internal to be added with ketimine cured dose,
The viscosity that can reduce OCF makes its rapid moisturecuring, improves its tensile strength.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment one
A kind of single-component cranny filler of polyurethane foam, raw material include following components by weight: polyether polyol 30.0
Part, 2.0 parts of DMDEE catalyst, ketimine cured dose 1.0 parts, 2.0 parts of CP52 plasticizer, 20.0 parts of solvent.
Polyether polyol is two degrees of functionality and three-functionality-degree in 1.0: 1.0 ratios mixing gained, molecular weight 400.0.
Solvent includes DME and LPG.
In the present embodiment, 2.0 parts of DMDEE catalyst, ketimine cured dose 1.0 parts, 2.0 parts of CP52 plasticizer, at this point, should
The poor tensile strength of single-component cranny filler of polyurethane foam.
Embodiment two
A kind of single-component cranny filler of polyurethane foam, raw material include following components by weight: polyether polyol 40.0
Part, 3.0 parts of DMDEE catalyst, ketimine cured dose 2.0 parts, 3.0 parts of CP52 plasticizer, 25.0 parts of solvent.
Polyether polyol is two degrees of functionality and three-functionality-degree in 1.0: 1.0 ratios mixing gained, molecular weight 1000.0.
Solvent includes DME and LPG.
In the present embodiment, polyether polyol is two degrees of functionality and three-functionality-degree in 1.0: 1.0 ratios mixing gained, molecular weight
It is 1000.0, service performance is poor at low ambient temperatures for the single-component cranny filler of polyurethane foam.
Embodiment three
A kind of single-component cranny filler of polyurethane foam, raw material include following components by weight: polyether polyol 50.0
Part, 5.0 parts of DMDEE catalyst, ketimine cured dose 3.0 parts, 5.0 parts of CP52 plasticizer, 30.0 parts of solvent.
Polyether polyol is two degrees of functionality and three-functionality-degree in 1.0: 1.0 ratios mixing gained, molecular weight 2000.0.
Solvent includes DME and LPG.
In the present embodiment, 5.0 parts of DMDEE catalyst, ketimine cured dose 3.0 parts, 5.0 parts of CP52 plasticizer, at this point, should
The tensile strength of single-component cranny filler of polyurethane foam is general.
Example IV
A kind of single-component cranny filler of polyurethane foam, raw material include following components by weight: polyether polyol 60.0
Part, 6.0 parts of DMDEE catalyst, ketimine cured dose 4.0 parts, 6.0 parts of CP52 plasticizer, 40.0 parts of solvent.
Polyether polyol is two degrees of functionality and three-functionality-degree in 1.0: 1.0 ratios mixing gained, molecular weight 3000.0.
Solvent includes DME and LPG.
In the present embodiment, 6.0 parts of DMDEE catalyst, ketimine cured dose 4.0 parts, 6.0 parts of CP52 plasticizer, at this point, should
The flexibility and tensile strength of single-component cranny filler of polyurethane foam are best, uniform foam cell.
The present invention has good flexibility and tensile strength, and uniform foam cell can use at low ambient temperatures, inside
Containing DMDEE catalyst, activity is milder, storage stability is good, can effectively facilitate the surface drying rate of OCF, solidification rate and
Frothing percentage, internal to contain CP52 plasticizer, compatibility is good, can reduce the viscosity and brittleness of OCF, increases its flexibility,
It is internal added with ketimine cured dose, can reduce the viscosity of OCF, makes its rapid moisturecuring, improve its tensile strength.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of single-component cranny filler of polyurethane foam, it is characterised in that: its raw material includes following components by weight: polyethers is more
First alcohol 30.0-60.0 parts, 2.0-6.0 parts of catalyst, 1.0-4.0 parts of curing agent, 2.0-6.0 parts of plasticizer, solvent 20.0-40.0
Part.
2. a kind of single-component cranny filler of polyurethane foam according to claim 1, it is characterised in that: the polyether polyol
Gained is mixed in 1.0: 1.0 ratios for two degrees of functionality and three-functionality-degree, molecular weight is between 400.0-3000.0.
3. a kind of single-component cranny filler of polyurethane foam according to claim 1, it is characterised in that: the catalyst is
DMDEE。
4. a kind of single-component cranny filler of polyurethane foam according to claim 1, it is characterised in that: the plasticizer is
CP52。
5. a kind of single-component cranny filler of polyurethane foam according to claim 1, it is characterised in that: the curing agent is ketone
Imines.
6. a kind of single-component cranny filler of polyurethane foam according to claim 1, it is characterised in that: the solvent includes
DME and LPG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630948.XA CN109749040A (en) | 2018-12-20 | 2018-12-20 | A kind of single-component cranny filler of polyurethane foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630948.XA CN109749040A (en) | 2018-12-20 | 2018-12-20 | A kind of single-component cranny filler of polyurethane foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109749040A true CN109749040A (en) | 2019-05-14 |
Family
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| CN201811630948.XA Pending CN109749040A (en) | 2018-12-20 | 2018-12-20 | A kind of single-component cranny filler of polyurethane foam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183607A (en) * | 2019-06-04 | 2019-08-30 | 北京东方雨虹防水技术股份有限公司 | A kind of two-component water reinforcement grouting material and preparation method thereof |
| CN111303376A (en) * | 2020-02-17 | 2020-06-19 | 成都高端聚合物科技有限公司 | Pressure canned surface-spraying single-component polyurethane foam, and preparation method and application thereof |
| CN114364766A (en) * | 2019-10-09 | 2022-04-15 | Sika技术股份公司 | One-component polyurethane sealant for low temperature applications |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183607A (en) * | 2019-06-04 | 2019-08-30 | 北京东方雨虹防水技术股份有限公司 | A kind of two-component water reinforcement grouting material and preparation method thereof |
| CN110183607B (en) * | 2019-06-04 | 2022-01-14 | 北京东方雨虹防水技术股份有限公司 | Double-component water plugging reinforcing grouting material and preparation method thereof |
| CN114364766A (en) * | 2019-10-09 | 2022-04-15 | Sika技术股份公司 | One-component polyurethane sealant for low temperature applications |
| CN114364766B (en) * | 2019-10-09 | 2023-05-23 | Sika技术股份公司 | One-component polyurethane sealants for low temperature applications |
| CN111303376A (en) * | 2020-02-17 | 2020-06-19 | 成都高端聚合物科技有限公司 | Pressure canned surface-spraying single-component polyurethane foam, and preparation method and application thereof |
| CN111303376B (en) * | 2020-02-17 | 2022-02-18 | 成都高端聚合物科技有限公司 | Pressure canned surface-spraying single-component polyurethane foam, and preparation method and application thereof |
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Application publication date: 20190514 |