CN101298550B - Nanometer mildewproof sealing neutral silicone resin - Google Patents
Nanometer mildewproof sealing neutral silicone resin Download PDFInfo
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- CN101298550B CN101298550B CN2008101306930A CN200810130693A CN101298550B CN 101298550 B CN101298550 B CN 101298550B CN 2008101306930 A CN2008101306930 A CN 2008101306930A CN 200810130693 A CN200810130693 A CN 200810130693A CN 101298550 B CN101298550 B CN 101298550B
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Abstract
The invention discloses a nano-neutral mildew resistant silicone sealant, the formula of which is as follows by weight portion: 90-110 portions of hydroxyl-terminated polysiloxane, 1-20 portions of gas phase silica, 30-60 portions of active calcium carbonate, 2 to 5 portions of dye, 3-15 portions of methyl triethoxy silane, 0.4-2 portions of composite titanic compound, 1-6 portions of Gamma-chloropropyl triethoxy silane, 0.05-0.2 portion of anti-mildew agent, and 0.5-2.5 portions of anion additive. The invention has following advantages: 1. fresh odor by adopting the methyl triethoxy silane as a cross linker; 2. rapid vulcanizing speed by adopting environment protective composite titanic compound as a catalyst; 3. the adding of environment protective anti-mildew agent to improve the durable anti-mildew property of the sealant in humid environment such as a bathroom and a kitchen etc, being environment friendly without side effects to human body; 4. the adding of anion additive which can continuously release anion to improve the quality of indoor air.
Description
Technical field
The present invention relates to a kind of architecture indoor finishing and use sealing material, specifically is nano mildew-proof neutral silicone sealer.
Technical background
In recent years, the decoration of residential building requires increasingly high, and warming installation is gradually improved, and the room airtight performance is constantly strengthened, and the steam accumulation phenomena that thereupon in bathroom, kitchen, produces is also comparatively general.Cause growing in a large number of wall and corner mould thus, having a strong impact on the improvement of people's health and living environment.Especially at plum rain season, indoor glass, wall surface even the globule that can condense more help the breeding of mould.
The architecture indoor finishing is of a great variety with sealing material in the market, and quality is uneven, and commonly single-component room temperature vulcanized Zylox is claimed silicone sealant again.Silicone sealant is divided into two kinds usually; A kind of is acid silicone sealant; Another kind is the neutral silicone sealer, and acid silicone sealant can discharge the acetic acid small molecules when vulcanizing, and irritating smell is strong; Part neutral silicone sealer can discharge ketoxime class organic cpds, and a kind of special odor is arranged.In addition, a lot of silicone sealants do not possess antimildew function yet, after use for some time easy " mouldy, blackening ".In silicone sealant, add mould inhibitor,, very be necessary, but traditional mould inhibitor itself has certain toxicity, during especially for the kitchen, be prone to HUMAN HEALTH is produced harm to prevent growing of mould.
The silicone sealant that the smell of Development of New Generation is little, environmentally friendly, mildew resistance is good is the inevitable requirement of social development.
Summary of the invention
The purpose of this invention is to provide nano mildew-proof neutral silicone sealer, common silicone sealant is improved, adopt Union carbide A-162 as linking agent, discharge ethanol during sulfuration, smell is pure and fresh; The compound titaniferous compound that adopts environment-friendly type is as catalyzer, and vulcanization rate is fast; Add the environment-friendly type mould inhibitor, improved the lasting fungicidal properties of sealer in wet environments such as bathroom, kitchen, environmentally friendly, to the human non-toxic spinoff; Add anionic additive, can continue to discharge negative ion, improved IAQ.
Nano mildew-proof neutral silicone sealer of the present invention is achieved in that prescription is by weight ratio:
90～110 parts of hydroxy-end capped ZGK 5
1～20 part of aerosil
30～60 parts of treated carbonatess
2～5 parts of pigment
3～15 parts of Union carbide A-162s
0.4～2 part of compound titaniferous compound
1～6 part of γ-chloropropyl triethoxysilane
0.05～0.2 part of mould inhibitor
0.5～2.5 part of anionic additive
Aforesaid hydroxy-end capped ZGK 5 is α, alpha, omega-dihydroxy polydimethyl siloxane;
Aforesaid aerosil heated 5 hours in 90～150 ℃ of baking ovens before using;
Aforesaid pigment is at least a in carbon black, white titanium pigment, iron oxide red, phthalocyanine blue, the phthalocyanine green, heating 5 hours in 90～150 ℃ of baking ovens before using;
Aforesaid compound titaniferous compound is the mixture of tetra isopropyl titanate and two (acetylacetone based) di-isopropyl titanic acid ester, and weight ratio is a tetra isopropyl titanate: two (acetylacetone based) di-isopropyl titanic acid ester=2: 0.5～2;
Aforesaid mould inhibitor is a nano-Ag particles;
Aforesaid anionic additive is a negative ion paint additive catalyst type.
The method of manufacture of nano mildew-proof neutral silicone sealer of the present invention:
Hydroxy-end capped ZGK 5, aerosil are added in the planetary mixer, vacuumize, vacuum tightness 0.09MPa stirred 30～120 minutes under rotating speed 25～60rpm; Add treated carbonates, pigment, be heated to 100 ℃, vacuumize, vacuum tightness 0.09MPa stirred 30～120 minutes under rotating speed 25～35rpm; Add Union carbide A-162, compound titaniferous compound, γ-chloropropyl triethoxysilane, mould inhibitor, anionic additive, at vacuum tightness 0.09MPa, rotating speed 25～60rpm reacted 45～120 minutes down, made nano mildew-proof neutral silicone sealer.
The present invention compared with prior art has following characteristics:
1. adopt Union carbide A-162 as linking agent, smell is pure and fresh;
2. the compound titaniferous compound that adopts environment-friendly type is as catalyzer, and vulcanization rate is fast;
3. add the environment-friendly type mould inhibitor, improved the lasting fungicidal properties of sealer in wet environments such as bathroom, kitchen, environmentally friendly, to the human non-toxic spinoff;
4. the interpolation anionic additive can continue to discharge negative ion, improves IAQ.
Embodiment
Embodiment 1
With α, 100 kilograms of alpha, omega-dihydroxy polydimethyl siloxanes, aerosil add in the planetary mixer for 12 kilograms, vacuumize; Vacuum tightness 0.09MPa, rotating speed 35rpm stirs after 60 minutes; Add 50 kilograms of treated carbonatess, 2 kilograms of carbon blacks, be heated to 100 ℃, vacuumize; Vacuum tightness 0.09MPa; Stirred 60 minutes, and added 14 kilograms of Union carbide A-162s, 4 kilograms of γ-chloropropyl triethoxysilanes, 0.5 kilogram of tetra isopropyl titanate, 0.3 kilogram of two (acetylacetone based) di-isopropyl titanic acid ester, 0.1 kilogram of nano-Ag particles, 1.2 kilograms on negative ion paint additive catalyst type again, at vacuum tightness 0.09MPa; Rotating speed 35rpm reacted 90 minutes down, made nano mildew-proof neutral silicone sealer.
Embodiment 2
With α, 110 kilograms of alpha, omega-dihydroxy polydimethyl siloxanes, aerosil add in the planetary mixer for 10 kilograms, vacuumize; Vacuum tightness 0.09MPa, rotating speed 35rpm stirs after 60 minutes; Add 60 kilograms of treated carbonatess, 4 kilograms of white titanium pigments, be heated to 100 ℃, vacuumize; Vacuum tightness 0.09MPa; Stirred 60 minutes, and added 13.5 kilograms of Union carbide A-162s, 5 kilograms of γ-chloropropyl triethoxysilanes, 0.6 kilogram of tetra isopropyl titanate, 0.4 kilogram of two (acetylacetone based) di-isopropyl titanic acid ester, 0.2 kilogram of nano-Ag particles, 1.5 kilograms on negative ion paint additive catalyst type again, at vacuum tightness 0.09MPa; Rotating speed 35rpm reacted 90 minutes down, made nano mildew-proof neutral silicone sealer.
Embodiment 3
With α, 90 kilograms of alpha, omega-dihydroxy polydimethyl siloxanes, aerosil add in the planetary mixer for 15 kilograms, vacuumize; Vacuum tightness 0.09MPa, rotating speed 35rpm stirs after 60 minutes; Add 30 kilograms of treated carbonatess, 5 kilograms of iron oxide reds, be heated to 100 ℃, vacuumize; Vacuum tightness 0.09MPa; Stirred 60 minutes, and added 11.5 kilograms of Union carbide A-162s, 3 kilograms of γ-chloropropyl triethoxysilanes, 0.8 kilogram of tetra isopropyl titanate, 0.3 kilogram of two (acetylacetone based) di-isopropyl titanic acid ester, 0.05 kilogram of nano-Ag particles, 2.0 kilograms on negative ion paint additive catalyst type again, at vacuum tightness 0.09MPa; Rotating speed 35rpm reacted 90 minutes down, made nano mildew-proof neutral silicone sealer.
Main raw material(s) title, technical indicator:
1. α, alpha, omega-dihydroxy polydimethyl siloxane
Outward appearance: the water white transparency thick liquid, do not have mechanical impurity
Viscosity (25 ℃, mPas): 2000～300000
2. aerosil
Specific surface area (m
2/ g): 150～200
Dioxide-containing silica is (based on firing product, %): >=99.8
Apparent density (g/L): 25～60
3. treated carbonates
Outward appearance: white fine and smooth lightweight powder
Calcium carbonate content (%): >=97
Moisture (%) :≤0.3
4. carbon black
Outward appearance: black superfine powder
Specific surface area (m
2/ g): 10～35
Screenings (63 μ m sieve apertures, %) :≤0.3
5. white titanium pigment
Outward appearance: white powder
Content of titanium dioxide (%): >=92
Screenings (63 μ m sieve apertures, %) :≤0.3
6. iron oxide red
Outward appearance: red powder
Iron level is (with Fe
2O
3Meter, %):>=95
Screenings (63 μ m sieve apertures, %) :≤0.3
7. phthalocyanine blue
Outward appearance: mazarine powder
Tinting strength is (with the standard ratio, %): 95～105
Screenings (63 μ m sieve apertures, %) :≤0.3
8. phthalocyanine green
Outward appearance: dark green powder
Tinting strength is (with the standard ratio, %): 95～105
Screenings (63 μ m sieve apertures, %) :≤0.3
9. Union carbide A-162
Outward appearance: colourless transparent liquid, do not have mechanical impurity
Chromatographic purity (%): >=98
10. tetra isopropyl titanate
Outward appearance: colourless or little yellow homogeneous transparent liquid
Density (25 ℃, g/cm
3): 0.96～1.00
Content of titanium dioxide (%):＞27
Two 11. (acetylacetone based) di-isopropyl titanic acid ester
Outward appearance: light red transparent liquid
Density (25 ℃, g/cm
3): 0.98～1.02
Content of titanium dioxide (%): 16～17
12. nano-Ag particles
Particle diameter (nm):＜25
13. negative ion paint additive catalyst type
Outward appearance: white powder
Specification (order): >=4000
14. γ-chloropropyl triethoxysilane
Chromatographic purity (%): >=98
Density (25 ℃, g/cm
3): 0.998～1.002.
By standard " JC/T 885-2001 mildewproof sealant for building " standard sampling inspection, its main performance index such as following table.
| Preface | Project | Technical indicator | Assay | Conclusion |
| 1 | Outward appearance | The uniform and smooth paste | Meet | Qualified |
| 2 | Fungicidal properties | 1 grade | Meet | Qualified |
| 3 | Surface drying time, h | ≤3 | 0.15 | Qualified |
| 4 | Extrudability, s | ≤10 | 6 | Qualified |
| 5 | Sag, mm | ≤3 | 0 | Qualified |
| 6 | Elastic restoration ratio, % | ≥60 | 80 | Qualified |
| 7 | Tensile modulus, MPa | ＞0.4 | 0.85 | Qualified |
Claims (3)
1. nano mildew-proof neutral silicone sealer is characterized in that prescription is by weight ratio:
Described compound titaniferous compound is the mixture of tetra isopropyl titanate and two (acetylacetone based) di-isopropyl titanic acid ester, is by weight ratio: tetra isopropyl titanate: two (acetylacetone based) di-isopropyl titanic acid ester=2: 0.5～2.
2. nano mildew-proof neutral silicone sealer as claimed in claim 1 is characterized in that pigment is at least a in carbon black, white titanium pigment, iron oxide red, phthalocyanine blue, the phthalocyanine green.
3. nano mildew-proof neutral silicone sealer as claimed in claim 1 is characterized in that anionic additive is a negative ion paint additive catalyst type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101306930A CN101298550B (en) | 2008-07-03 | 2008-07-03 | Nanometer mildewproof sealing neutral silicone resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101306930A CN101298550B (en) | 2008-07-03 | 2008-07-03 | Nanometer mildewproof sealing neutral silicone resin |
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| CN101298550A CN101298550A (en) | 2008-11-05 |
| CN101298550B true CN101298550B (en) | 2012-07-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756630A (en) * | 2014-01-09 | 2014-04-30 | 浙江新安化工集团股份有限公司 | Single-component moldproof transparent dealcoholized silicone sealant and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485823A (en) * | 2010-12-06 | 2012-06-06 | 上海橡胶制品研究所 | Mildew-resistant organosilicon sealant |
| CN102604586B (en) * | 2012-03-15 | 2013-11-13 | 威海成景有机硅科技有限公司 | Method for producing mildew-resistant silicone sealing adhesive of hollow glass |
| CN102936456B (en) * | 2012-11-07 | 2015-08-26 | 广东尚高科技有限公司 | A kind of silver mirror edge sealing adhesive, its coating processes and testing method thereof |
| CN103773308B (en) * | 2013-12-26 | 2015-07-15 | 三河市京纳环保技术有限公司 | Long-acting antibacterial and mildew-proof silicone adhesive and preparation method thereof |
| CN103952116A (en) * | 2014-05-20 | 2014-07-30 | 陆玉珍 | Mildewproof sealant |
| CN104531051B (en) * | 2015-01-06 | 2017-08-22 | 东莞市凯特粘胶有限公司 | A kind of preparation method of nano-titanium magnesium structural silicone adhesive |
| CN104629666A (en) * | 2015-02-03 | 2015-05-20 | 广东新展化工新材料有限公司 | Silylation-terminated polyether adhesive and preparation method thereof |
| CN106916562A (en) * | 2017-04-19 | 2017-07-04 | 林辉 | A kind of mould proof sealing neutral silicone resin and preparation method thereof |
| CN107828369A (en) * | 2017-11-09 | 2018-03-23 | 浙江久而久化学有限公司 | A kind of manufacture method without mould fluid sealant |
| CN108276954A (en) * | 2018-02-09 | 2018-07-13 | 鑫通达（福州）量子科技有限公司 | A kind of neutral silicone anion structure glue, glued board and preparation method |
| CN116716079B (en) * | 2023-06-14 | 2024-01-19 | 山东沃赛新材料科技有限公司 | High-performance mildew-proof alcohol type beautifying trimming adhesive and preparation method thereof |
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| CN1371953A (en) * | 2001-02-23 | 2002-10-02 | 成都硅宝科技实业有限责任公司 | Neutral silicone sealant for stone material and making method thereof |
| CN1912005A (en) * | 2006-07-31 | 2007-02-14 | 广州市白云化工实业有限公司 | High heat resistant, fast setting, neutral deacetone type room temperature vulcanization silicon rubber and its preparation method |
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2008
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371953A (en) * | 2001-02-23 | 2002-10-02 | 成都硅宝科技实业有限责任公司 | Neutral silicone sealant for stone material and making method thereof |
| CN1912005A (en) * | 2006-07-31 | 2007-02-14 | 广州市白云化工实业有限公司 | High heat resistant, fast setting, neutral deacetone type room temperature vulcanization silicon rubber and its preparation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756630A (en) * | 2014-01-09 | 2014-04-30 | 浙江新安化工集团股份有限公司 | Single-component moldproof transparent dealcoholized silicone sealant and preparation method thereof |
| CN103756630B (en) * | 2014-01-09 | 2015-07-22 | 浙江新安化工集团股份有限公司 | Single-component moldproof transparent dealcoholized silicone sealant and preparation method thereof |
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| CN101298550A (en) | 2008-11-05 |
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Inventor after: Chen Bingyao Inventor after: Chen Bingqiang Inventor before: Chen Bingqiang Inventor before: Chen Bingyao Inventor before: Zhang Yitian Inventor before: Zhang Guojie Inventor before: Chen Liang |
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Free format text: CORRECT: INVENTOR; FROM: CHEN BINGQIANG CHEN BINGYAO ZHANG YITIAN ZHANG GUOJIE CHEN LIANG TO: CHEN BINGYAO CHEN BINGQIANG |
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Application publication date: 20081105 Assignee: Guangdong Fuxin Industrial Co., Ltd. Assignor: Guangdong Sanhe Chemical Industry Technology Co., Ltd. Contract record no.: 2017440000126 Denomination of invention: Nanometer mildewproof sealing neutral silicone resin Granted publication date: 20120725 License type: Common License Record date: 20170720 |