CN104845578A - Glass cement for vehicle - Google Patents
Glass cement for vehicle Download PDFInfo
- Publication number
- CN104845578A CN104845578A CN201510240270.4A CN201510240270A CN104845578A CN 104845578 A CN104845578 A CN 104845578A CN 201510240270 A CN201510240270 A CN 201510240270A CN 104845578 A CN104845578 A CN 104845578A
- Authority
- CN
- China
- Prior art keywords
- polyurethane prepolymer
- component
- parts
- base polyurethane
- glass cement
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses glass cement for a vehicle. The glass cement is formed by a component A and a component B of which the ratio of parts by weight is 1:3-5, wherein the component A is formed by a polyurethane prepolymer I and a polyurethane prepolymer II; the polyurethane prepolymer I is an end alkoxy silylation polyurethane prepolymer, and the polyurethane prepolymer II is prepared by the following method: biuret isocyanate polyisocyanates and polyether polyol react at 105-110 DEG C, and the mass ratio of the biuret isocyanate polyisocyanates to the polyether polyol is 28-30:1, and the proportion of the parts by weight of the polyurethane prepolymer I and the polyurethane prepolymer II is 1-2:1; the component B is formed by the following raw materials in parts by weight: 44-48 parts of polyether polyol, 18-22 pars of light calcium carbonate, 25-27 parts of heavy calcium carbonate, 4-6 parts of nano-TiO2 powder, 4-6 parts of -200 mesh SiC powder, 17-19 parts of plasticizer, 0.1-0.3 parts of catalyst, and 0.1-0.3 parts of thixotropic agent.
Description
Technical field
The present invention relates to sealing material field, particularly a kind of vehicle glass glass cement.
Background technology
Glass cement is used to fill space (hole, joint, seam etc.) and has the material of bonding effect to filling basic unit interface, and it mainly comprises: organosilicon (comprising modified organic silicon) class, polyurethanes, thiorubber class, esters of acrylic acid, SBR rubber-like, butyl type rubber, pitch, oiliness caulk compound class etc.And for filling the gap must standing there is caused by vibrations or rising-heat contracting-cold etc. retractility, then must adopt spring glass glue.Spring glass glue is the product bonding and sealing two kinds of functions rolled into one.Wherein the high-grade spring glass glue of three classes of better performances is silicone glass glue, poly-sulphur glass glue and polyurethane glass glue respectively.In recent years, the application of spring glass glue in much industry, the civil areas such as building, building, automobile, boats and ships, electrical communications is more and more extensive.
In above-mentioned spring glass glue, polyurethane glass glue is with the fastest developing speed, and demand increases gradually, is because it has excellent performance.The feature of polyurethane glass glue has: the wear resistance that (1) is excellent; (2) low-temperature pliability; (3) performance adjustable extent is wide; (4) physical strength is large; (5) cementability is good; (6) good springiness, has excellent Restoration, can be suitable for dynamic juncture; (7) good weatherability, work-ing life is 15-20; (8) oil-proofness is excellent; (9) resistance to biological aging; (10) moderate.
The defect that existing polyurethane glass glue especially exists when vehicle glass is installed: mono-component polyurethane glass cement be used for vehicle glass assembling bonding time, its bulk strength lower than 8Mpa (GB/T528) or unit elongation lower than 450% (GB/T528).2., when low temperature is as 0 DEG C-10 DEG C, solidification rate was lower than 3.0mm/24 hour (10 DEG C ± 2 DEG C, 30% ± 5% humidity).The effect of above-mentioned defective effect mono-component polyurethane glass cement or effect.
Patent documentation CN200810043539.X discloses a kind of polyurethane sealant, and disclose it for two component, overcome the segmental defect of single-component colloid, but this patent does not disclose its colloid technology index, through practical proof, its mechanical index, normal temperature and low-temperature curing performance still can not meet the service requirements of vehicle glass.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide a kind of vehicle glass glass cement, and this glass cement improves bulk strength and unit elongation, and has high solidification rate at low temperatures, overcomes the defect that existing mono-component polyurethane glass cement exists.
For achieving the above object, the present invention adopts following technical scheme:
A kind of vehicle glass glass cement, this glass cement is made up of component A and B component, and component A and B component weight part ratio are 1: 3-5; Wherein, component A is that base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II form, wherein base polyurethane prepolymer for use as I is end alkoxysilane group base polyurethane prepolymer for use as, base polyurethane prepolymer for use as II is obtained by following method: biuret polyisocyanate and polyether glycol are reacted obtained at 105-110 DEG C, wherein the mass ratio of biuret polyisocyanate and polyether glycol is 28-30: 1, and wherein the weight ratio of base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II is 1-2: 1; B component is made up of the following raw materials according with parts by weight: polyether glycol 44-48 part; Fine particle calcium carbonate 18-22 part, coarse whiting 25-27 part, nano-TiO
2powder 4-6 part ,-200 order SiC powder 4-6 parts, softening agent 17-19 part; Catalyzer 0.1-0.3 part; Thixotropic agent 0.1-0.3 part.
Wherein, described polyether glycol is selected from polyoxypropylene polyol, polymer polyatomic alcohol, polytetrahydrofuran, polyoxyethylene.
Wherein, described softening agent is selected from phthalic acid fat, aliphatic diacid fat, phosphoric acid ester, phenylformic acid two alcohol ester.
Wherein, described catalyzer is selected from dibutyl tin laurate, lead octoate 36, stannous octoate, tertiary amines, wherein preferred dibutyl tin laurate or stannous octoate.
Wherein, described thixotropic agent is selected from gas-phase silica, hydrogenated castor oil, polymeric amide or wilkinite.
This glass cement can adopt but be not limited to the preparation of following method:
1) component A is mixed: select commercially available end alkoxysilane group base polyurethane prepolymer for use as, then prepare base polyurethane prepolymer for use as II as stated above, then two kinds of components mixed by weight ratio;
2) filler in B component is mixed: by the fine particle calcium carbonate in B component, coarse whiting, nano-TiO
2powder ,-200 order SiC powder carry out being pre-mixed about 150-180 minute in common mixer, obtain filler compound;
3) band stirrer container in add step 1) component A, then step 2 is added) the filler compound prepared, stirrer rotating speed is about 500-600r/min, and then stir about 40-60 minute adds polyether glycol, softening agent, catalyzer, thixotropic agent;
4) improve stirring velocity to 700-800r/min, stir after 60-90 minute, carry out deaeration, to obtain final product.
The present invention, by having carried out the performance that following improvement significantly improves glass cement to prior art, obtains useful technique effect:
1) preferred two kinds of base polyurethane prepolymer for use as are chosen, and determine its blending ratio;
2) optimize filler composition, select component comprising following aspect: a.: determine fine particle calcium carbonate, coarse whiting, nano-TiO
2powder and SiC are as filler; B. content is determined: fine particle calcium carbonate 18-22 part, coarse whiting 25-27 part, nano-TiO
2powder 4-6 part ,-200 order SiC powder 4-6 parts; C. determine granularity, comprise employing nano-TiO
2powder, and limit the granularity of SiC for-200 orders, wherein nano-TiO
2the emphasis that powder is particularly selected, usual micron order TiO
2the effect that powder plays as pigment (titanium dioxide) or filler is well-known, but adds nano-TiO
2after powder, there is pole significantly to promote to performance, surmounted the category of pigment and filler, important impact is played on the over-all properties of whole glass cement.Experiment shows, the choosing of said components, the determination of content and the selection of granularity have the interactively mutually coordinated, and the variation increasing other components or reduce certain component, content and granularity does not all reach the performance index that the application will reach.
Glass cement of the present invention has following performance characteristics:
1) by GB/T528 test, the tensile strength after the solidification of this glass cement is 12.2-14.0MPa, and its elongation at break is 470-520%; Therefore, excellent in mechanical performance.
2) this polyurethane glass glue is not only under normal temperature 15 DEG C-30 DEG C, 50 ± 5% humidity environments, it has good solidification rate, as being greater than 8mm/24 hour, simultaneously under low temperature (0 DEG C-15 DEG C) and low humidity (30 ± 5% humidity) condition, also there is very high solidification rate, be greater than 5.5mm/24 hour.
Embodiment
Embodiment one
A kind of vehicle glass glass cement, this glass cement is made up of component A and B component, and component A and B component weight part ratio are 1: 3; Wherein, component A is that base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II form, wherein base polyurethane prepolymer for use as I is end alkoxysilane group base polyurethane prepolymer for use as, base polyurethane prepolymer for use as II is obtained by following method: biuret polyisocyanate and polyether glycol are reacted obtained at 105 DEG C, wherein the mass ratio of biuret polyisocyanate and polyether glycol is 28: 1, and wherein the weight ratio of base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II is 1: 1; B component is made up of the following raw materials according with parts by weight: polytetrahydrofuran 44 parts; Fine particle calcium carbonate 22 parts, coarse whiting 25 parts, nano-TiO
26 parts, powder ,-200 4 parts, order SiC powder, 19 parts, phthalic acid fat; Dibutyl tin laurate 0.1 part; Gas-phase silica 0.3 part.
By GB/T528 test, the tensile strength after the solidification of this glass cement is 13.4MPa, and its elongation at break is 490%; This polyurethane glass glue is under normal temperature 15 DEG C-30 DEG C, 50 ± 5% humidity environments, its solidification rate is greater than 8mm/24 hour, simultaneously under low temperature (0 DEG C-15 DEG C) and low humidity (30 ± 5% humidity) condition, solidification rate is greater than 5.5mm/24 hour.
Embodiment two
A kind of vehicle glass glass cement, this glass cement is made up of component A and B component, and component A and B component weight part ratio are 1: 5; Wherein, component A is that base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II form, wherein base polyurethane prepolymer for use as I is end alkoxysilane group base polyurethane prepolymer for use as, base polyurethane prepolymer for use as II is obtained by following method: biuret polyisocyanate and polyether glycol are reacted obtained at 110 DEG C, wherein the mass ratio of biuret polyisocyanate and polyether glycol is 30: 1, and wherein the weight ratio of base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II is 2: 1; B component is made up of the following raw materials according with parts by weight: polytetrahydrofuran 48 parts; Fine particle calcium carbonate 18 parts, coarse whiting 27 parts, nano-TiO
24 parts, powder ,-200 6 parts, order SiC powder, 17 parts, phthalic acid fat; Dibutyl tin laurate 0.3 part; Gas-phase silica 0.1 part.
By GB/T528 test, the tensile strength after the solidification of this glass cement is 12.4MPa, and its elongation at break is 500%; This polyurethane glass glue is under normal temperature 15 DEG C-30 DEG C, 50 ± 5% humidity environments, its solidification rate is greater than 8.3mm/24 hour, simultaneously under low temperature (0 DEG C-15 DEG C) and low humidity (30 ± 5% humidity) condition, solidification rate is greater than 6mm/24 hour.
Embodiment three
A kind of vehicle glass glass cement, this glass cement is made up of component A and B component, and component A and B component weight part ratio are 1: 4; Wherein, component A is that base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II form, wherein base polyurethane prepolymer for use as I is end alkoxysilane group base polyurethane prepolymer for use as, base polyurethane prepolymer for use as II is obtained by following method: biuret polyisocyanate and polyether glycol are reacted obtained at 110 DEG C, wherein the mass ratio of biuret polyisocyanate and polyether glycol is 29: 1, and wherein the weight ratio of base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II is 1.5: 1; B component is made up of the following raw materials according with parts by weight: polyoxyethylene 46 parts; Fine particle calcium carbonate 20 parts, coarse whiting 26 parts, nano-TiO
25 parts, powder ,-200 5 parts, order SiC powder, 18 parts, aliphatic diacid fat; Stannous octoate 0.2 part; Polymeric amide 0.2 part.
By GB/T528 test, the tensile strength after the solidification of this glass cement is 13.8MPa, and its elongation at break is 520%; This polyurethane glass glue is under normal temperature 15 DEG C-30 DEG C, 50 ± 5% humidity environments, its solidification rate is greater than 9mm/24 hour, simultaneously under low temperature (0 DEG C-15 DEG C) and low humidity (30 ± 5% humidity) condition, solidification rate is greater than 6mm/24 hour.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (5)
1. a vehicle glass glass cement, is characterized in that, this glass cement is made up of component A and B component, and component A and B component weight part ratio are 1: 3-5; Wherein, component A is that base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II form, wherein base polyurethane prepolymer for use as I is end alkoxysilane group base polyurethane prepolymer for use as, base polyurethane prepolymer for use as II is obtained by following method: biuret polyisocyanate and polyether glycol are reacted obtained at 105-110 DEG C, wherein the mass ratio of biuret polyisocyanate and polyether glycol is 28-30: 1, and wherein the weight ratio of base polyurethane prepolymer for use as I and base polyurethane prepolymer for use as II is 1-2: 1; B component is made up of the following raw materials according with parts by weight: polyether glycol 44-48 part; Fine particle calcium carbonate 18-22 part, coarse whiting 25-27 part, nano-TiO
2powder 4-6 part ,-200 order SiC powder 4-6 parts, softening agent 17-19 part; Catalyzer 0.1-0.3 part; Thixotropic agent 0.1-0.3 part.
2. a kind of vehicle glass glass cement as claimed in claim 1, it is characterized in that, described polyether glycol is selected from polyoxypropylene polyol, polymer polyatomic alcohol, polytetrahydrofuran, polyoxyethylene.
3. a kind of vehicle glass glass cement as described in claim 1-2, is characterized in that, described softening agent is selected from phthalic acid fat, aliphatic diacid fat, phosphoric acid ester, phenylformic acid two alcohol ester.
4. a kind of vehicle glass glass cement as described in claim 1-3, it is characterized in that, described catalyzer is selected from dibutyl tin laurate, lead octoate 36, stannous octoate, tertiary amines, wherein preferred dibutyl tin laurate or stannous octoate.
5. a kind of vehicle glass glass cement as described in claim 1-4, it is characterized in that, described thixotropic agent is selected from gas-phase silica, hydrogenated castor oil, polymeric amide or wilkinite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240270.4A CN104845578B (en) | 2015-05-11 | 2015-05-11 | A kind of vehicle glass glass cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240270.4A CN104845578B (en) | 2015-05-11 | 2015-05-11 | A kind of vehicle glass glass cement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104845578A true CN104845578A (en) | 2015-08-19 |
| CN104845578B CN104845578B (en) | 2018-12-21 |
Family
ID=53845578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510240270.4A Active CN104845578B (en) | 2015-05-11 | 2015-05-11 | A kind of vehicle glass glass cement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104845578B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655790A (en) * | 2018-01-30 | 2020-09-11 | Ｋｃｃ公司 | Polyurethane resin composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613587A (en) * | 2008-06-24 | 2009-12-30 | 杨生凤 | Polyurethane sealant |
| CN103834345A (en) * | 2012-11-22 | 2014-06-04 | 湖北回天胶业股份有限公司 | One-component moisture-cured polyurethane sealant with excellent ultraviolet resistance |
| CN104531040A (en) * | 2014-10-09 | 2015-04-22 | 广东新展化工新材料有限公司 | Polyurethane acrylate sealant and preparation method thereof |
-
2015
- 2015-05-11 CN CN201510240270.4A patent/CN104845578B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101613587A (en) * | 2008-06-24 | 2009-12-30 | 杨生凤 | Polyurethane sealant |
| CN103834345A (en) * | 2012-11-22 | 2014-06-04 | 湖北回天胶业股份有限公司 | One-component moisture-cured polyurethane sealant with excellent ultraviolet resistance |
| CN104531040A (en) * | 2014-10-09 | 2015-04-22 | 广东新展化工新材料有限公司 | Polyurethane acrylate sealant and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655790A (en) * | 2018-01-30 | 2020-09-11 | Ｋｃｃ公司 | Polyurethane resin composition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104845578B (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106675373B (en) | A kind of uncured polyurethane water-proof paint and preparation method thereof | |
| CN101613587B (en) | Polyurethane sealing glue | |
| CN111394034B (en) | Single-component silane modified polyether sealant for prefabricated building and preparation method thereof | |
| CN107892900B (en) | Low-modulus high-resilience single-component silane modified polyether sealant and preparation method thereof | |
| CN105602514B (en) | A kind of polyurethane adhesive of two-component high thixotropic | |
| CN101818039B (en) | Single-component low-modulus polyurethane building sealant and preparation method thereof | |
| CN103897652B (en) | A kind of environment protection type high-strength polyurethane adhesive/seal gum and preparation method thereof | |
| CN103897650B (en) | A kind of one-component polyurethane sealant not easy to foaming | |
| CN107142069A (en) | It is a kind of without how track concrete extension joint is with can single dual-purpose construction type polyurethane base joint grouting glue of bi-component and preparation method thereof | |
| CN105255433A (en) | One-component moisture cured polyurethane sealant excellent in weather resistance and preparation method thereof | |
| CN108753243B (en) | Multi-component polyurethane pouring sealant and preparation method thereof | |
| CN106279614A (en) | A kind of silicane-modified polyurethane fluid sealant performed polymer and preparation method thereof and fluid sealant | |
| CN104559734A (en) | Double-component chemical-reaction thixotropic polyurethane waterproof paint and preparation method thereof | |
| CN104861919A (en) | Polyurethane pouring sealant without settlement during long-term storage and preparation method therefor | |
| CN111073575A (en) | Single-component silane modified polyether sealant for prefabricated building and preparation method thereof | |
| CN101987950A (en) | Single-component polyurethane termite-resistant building sealant | |
| CN109777338A (en) | High-intensitive high elongation at tear monocomponent polyurethane adhesive and preparation method | |
| CN107488431A (en) | Water-based oiliness low viscosity environmental protection two-component adhesive and preparation method thereof | |
| CN103087666A (en) | Reactive type polyurethane hot-melt sealant | |
| CN104845579A (en) | Preparation method of glass cement for vehicle | |
| CN109679053A (en) | Monocomponent moisture cure railway waterproof polyurethane elastomer and preparation method thereof | |
| CA2694056A1 (en) | Concrete repair process | |
| CN103074025B (en) | Polysiloxane/silylated castor oil polyurethane IPN (Interpenetrating Polymer Network) sealant | |
| KR102031566B1 (en) | Waterproofing composition and Manufacturing method thereof | |
| CN104845578A (en) | Glass cement for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 317610 Ganjiang Town Industrial Zone, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Rao Yuming Address before: 315181, Yucai Road, Yinzhou District, Ningbo, Zhejiang, 25 Patentee before: Rao Yuming |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200313 Address after: Yinghong Town, Yingde City, Qingyuan City, Guangdong Province Patentee after: GUANGDONG CHANGLU NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 317610 Ganjiang Town Industrial Zone, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: Rao Yuming |