CN107022333A - Silane-terminated polyether modified structure fluid sealant - Google Patents

Silane-terminated polyether modified structure fluid sealant Download PDF

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Publication number
CN107022333A
CN107022333A CN201710257886.1A CN201710257886A CN107022333A CN 107022333 A CN107022333 A CN 107022333A CN 201710257886 A CN201710257886 A CN 201710257886A CN 107022333 A CN107022333 A CN 107022333A
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CN
China
Prior art keywords
silane
fluid sealant
terminated polyether
modified structure
structure fluid
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.)
Pending
Application number
CN201710257886.1A
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Chinese (zh)
Inventor
张建忠
李军明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Crevo Technology Co., Ltd.
Original Assignee
CHANGSHU HENGXIN ADHESIVE CO LTD
Priority date (The priority date 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 date listed.)
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Priority to CN201710257886.1A priority Critical patent/CN107022333A/en
Publication of CN107022333A publication Critical patent/CN107022333A/en
Pending legal-status Critical Current

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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
    • C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
    • C09J171/02—Polyalkylene oxides
    • 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
    • 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
    • C09J11/08—Macromolecular additives
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a kind of silane-terminated polyether modified structure fluid sealant, it is prepared from by the composition of following mass percents：Silane modified polyether prepolymer 20 ~ 50%, modified isocyanate polymer 10 ~ 20%, plasticizer 10 ~ 20%, moisture scavenger 1 ~ 2%, nanometer inorganic filler 10 ~ 50%, ultra-violet absorber 0.1 ~ 1%, light stabilizer 0.1 ~ 1%, adhesion promoter 0.1 ~ 1%, silane coupler 1 ~ 3%, thixotropic agent 0.1 ~ 2%, pigment 0.5 ~ 5% and catalyst 0.1 ~ 0.5%.The present invention makes obtained fluid sealant have an excellent fire resistance using rational formula, and ageing-resistant, easy to process, steady quality, with low cost.

Description

Silane-terminated polyether modified structure fluid sealant
Technical field
The present invention relates to high molecule sealing materials technical field, more particularly to a kind of silane-terminated polyether modified structure is close Sealing.
Background technology
Polyether-modified fluid sealant, has waterproof and dustproof, bears to shake or the effects such as caused displacement of expanding with heat and contract with cold, gather simultaneously Ether be modified fluid sealant have the bonding adaptability of a variety of base materials, tear-proof, wear-resisting puncture resistant, base material is not polluted, it is acid and alkali-resistance, resistance to The characteristic such as organic solvent, paintable, corrosion-free to stone material and concrete, so that its application field constantly expands, in automobile, ship The various fields such as oceangoing ship, electromechanics, Aero-Space, building, high speed railway construction, metro construction have application.
The content of the invention
The present invention solves the technical problem of provide a kind of silane-terminated polyether modified structure fluid sealant.
In order to solve the above technical problems, one aspect of the present invention is：
A kind of silane-terminated polyether modified structure fluid sealant is provided, is prepared from by the composition of following mass percents：Silicon Alkane modified polyether prepolymer 20 ~ 50%, modified isocyanate polymer 10 ~ 20%, plasticizer 10 ~ 20%, moisture scavenger 1 ~ 2%, Nanometer inorganic filler 10 ~ 50%, ultra-violet absorber 0.1 ~ 1%, light stabilizer 0.1 ~ 1%, adhesion promoter 0.1 ~ 1%, silane Coupling agent 1 ~ 3%, thixotropic agent 0.1 ~ 2%, pigment 0.5 ~ 5% and catalyst 0.1 ~ 0.5%.
In a preferred embodiment of the present invention, the silane modified polyether prepolymer be by viscosity be 10 ~ 100 Pa S, 2000 ~ 5000 Pas and 30000 ~ 50000 Pas silane modified polyether prepolymer compounding are made, three kinds of different viscosities Silane modified polyether prepolymer mass ratio be 100:15~30:4~5.
In a preferred embodiment of the present invention, the plasticizer is diisooctyl phthalate, phthalic acid two One or more of mixtures in different nonyl ester or PPG.
In a preferred embodiment of the present invention, the moisture scavenger is vinyltrimethoxy silane.
In a preferred embodiment of the present invention, the nanometer inorganic filler is the calcium carbonate or gas phase hard charcoal of Nano grade It is black.
In a preferred embodiment of the present invention, the ultra-violet absorber is salicylic acid esters, benzophenone class, BTA Class, group-substituted acrylonitrile or triazines.
In a preferred embodiment of the present invention, the light stabilizer is hindered amine light stabilizer.
In a preferred embodiment of the present invention, the adhesion promoter is γ mercaptopropyitrimethoxy silane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-aminopropyl One or more of mixtures in trimethoxy silane or γ-methyl allyl acyloxypropyl trimethoxysilane.
In a preferred embodiment of the present invention, the thixotropic agent is polyamide thixotropes, rilanit special or organic bentonite One kind or mixture in profit soil.
In a preferred embodiment of the present invention, it is dibutyl tin laurate, dioctyl tin osmanthus that the catalyst, which is, One or more mixtures in sour tin, dibutyl tin acetate, dibutyl benzoic acid tin.
The beneficial effects of the invention are as follows：Silane-terminated polyether modified structure fluid sealant of the present invention, using rational formula, makes Obtained fluid sealant has an excellent fire resistance, and ageing-resistant, easy to process, steady quality, with low cost.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that apparent clearly being defined so as to be made to protection scope of the present invention.
Embodiment 1：A kind of silane-terminated polyether modified structure fluid sealant, be by following mass percents composition prepare and Into：Silane modified polyether prepolymer 35%, modified isocyanate polymer 15%, plasticizer 12%, moisture scavenger 1.5%, receive Rice inorganic filler 23%, ultra-violet absorber 0.5%, light stabilizer 0.2%, adhesion promoter 0.3%, silane coupler 1.5%, Thixotropic agent 0.8%, pigment 4% and catalyst 0.2%.
The silane modified polyether prepolymer be by viscosity be 10 ~ 100 Pas, 2000 ~ 5000 Pas and 30000 ~ 50000 Pas silane modified polyether prepolymer compounding is made, the matter of the silane modified polyether prepolymer of three kinds of different viscosities Amount is than being 100:20:4.5.
The plasticizer is diisooctyl phthalate, and the moisture scavenger is vinyltrimethoxy silane, institute The calcium carbonate that nanometer inorganic filler is Nano grade is stated, the ultra-violet absorber is salicylic acid esters, and the light stabilizer is Hindered amine light stabilizer, the adhesion promoter is γ mercaptopropyitrimethoxy silane, and the thixotropic agent is polyamide Thixotropic agent, it is dibutyl tin laurate that the catalyst, which is,.
Embodiment 2：A kind of silane-terminated polyether modified structure fluid sealant, is prepared from by the composition of following mass fractions 's：Silane modified polyether prepolymer 30%, modified isocyanate polymer 10%, plasticizer 15%, moisture scavenger 1%, nanometer nothing Machine filler 37%, ultra-violet absorber 0.5%, light stabilizer 0.5%, adhesion promoter 0.5%, silane coupler 1.5%, thixotroping Agent 1%, pigment 2.5% and catalyst 0.5%.
The silane modified polyether prepolymer be by viscosity be 10 ~ 100 Pas, 2000 ~ 5000 Pas and 30000 ~ 50000 Pas silane modified polyether prepolymer compounding is made, the matter of the silane modified polyether prepolymer of three kinds of different viscosities Amount is than being 100:25:4.
The plasticizer is diisononyl phthalate, and the moisture scavenger is vinyltrimethoxy silane, institute Nanometer inorganic filler is stated for gas-phase silica, the ultra-violet absorber is benzotriazole, the light stabilizer is hindered amine Class light stabilizer, the adhesion promoter is γ-aminopropyl trimethoxysilane, and the thixotropic agent is rilanit special, institute Catalyst is stated for dioctyl tin cinnamic acid tin.
Embodiment 3：A kind of silane-terminated polyether modified structure fluid sealant, is prepared from by the composition of following mass fractions 's：Silane modified polyether prepolymer 45%, modified isocyanate polymer 10%, plasticizer 12%, moisture scavenger 2%, nanometer nothing Machine filler 23%, ultra-violet absorber 1%, light stabilizer 0.5%, adhesion promoter 0.5%, silane coupler 1.2%, thixotropic agent 0.8%th, pigment 3.7% and catalyst 0.3%.
The silane modified polyether prepolymer be by viscosity be 10 ~ 100 Pas, 2000 ~ 5000 Pas and 30000 ~ 50000 Pas silane modified polyether prepolymer compounding is made, the matter of the silane modified polyether prepolymer of three kinds of different viscosities Amount is than being 100:15:4.
The plasticizer is PPG, and the moisture scavenger is vinyltrimethoxy silane, the nanometer nothing Machine filler is the calcium carbonate of Nano grade, and the ultra-violet absorber is benzophenone class, and the light stabilizer is that hindered amines light is steady Determine agent, the adhesion promoter is N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane, and the thixotropic agent is organic bentonite Profit soil, it is dibutyl tin acetate that the catalyst, which is,.
Silane-terminated polyether modified structure fluid sealant in any of the above-described embodiment, is prepared from by following preparation processes 's：Raw material is weighed up according to formulation weight, first by the silane modified polyether prepolymer compounded, modified isocyanate polymer and increasing Mould agent and add in high speed dispersor and be well mixed, vacuumizing and defoaming the liquid compound of gained and will then be received in kneader Rice inorganic filler is mixed, and control material temperature is at 100 ~ 120 DEG C, is kept for 90 minutes, moisture is sloughed while vacuumizing, Moisture scavenger, ultra-violet absorber, light stabilizer, adhesion promoter, silane are added wherein after above-mentioned material is cooled down Coupling agent, thixotropic agent, pigment and catalyst, are passed through twin-screw mixer extruder and silane-terminated polyether are made after being thoroughly mixed Modified structure fluid sealant.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, is included within the scope of the present invention.

Claims (10)

1. a kind of silane-terminated polyether modified structure fluid sealant, it is characterised in that be the composition preparation by following mass percents ：Silane modified polyether prepolymer 20 ~ 50%, modified isocyanate polymer 10 ~ 20%, plasticizer 10 ~ 20%, moisture are clear Except agent 1 ~ 2%, nanometer inorganic filler 10 ~ 50%, ultra-violet absorber 0.1 ~ 1%, light stabilizer 0.1 ~ 1%, adhesion promoter 0.1 ~ 1%, silane coupler 1 ~ 3%, thixotropic agent 0.1 ~ 2%, pigment 0.5 ~ 5% and catalyst 0.1 ~ 0.5%.
2. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that described silane-modified poly- It by viscosity is the silane-modified poly- of 10 ~ 100 Pas, 2000 ~ 5000 Pas and 30000 ~ 50000 Pas that ether prepolymer, which is, Ether prepolymer compounding is made, and the mass ratio of the silane modified polyether prepolymer of three kinds of different viscosities is 100:15~30:4~5.
3. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the plasticizer is neighbour One or more of mixtures in the isodecyl ester of phthalic acid two, diisononyl phthalate or PPG.
4. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the moisture scavenger For vinyltrimethoxy silane.
5. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the nano inorganic is filled out Expect the calcium carbonate or gas-phase silica for Nano grade.
6. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the ultraviolet radiation absorption Agent is salicylic acid esters, benzophenone class, benzotriazole, group-substituted acrylonitrile or triazines.
7. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the light stabilizer is Hindered amine light stabilizer.
8. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the adhesive force promotes Agent is γ mercaptopropyitrimethoxy silane, N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane, γ-glycidol ether In oxygen propyl trimethoxy silicane, γ-aminopropyl trimethoxysilane or γ-methyl allyl acyloxypropyl trimethoxysilane One or more of mixtures.
9. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the thixotropic agent is poly- One kind or mixture in acid amides thixotropic agent, rilanit special or organobentonite.
10. silane-terminated polyether modified structure fluid sealant according to claim 1, it is characterised in that the catalyst is It is one kind or many in dibutyl tin laurate, dioctyl tin cinnamic acid tin, dibutyl tin acetate, dibutyl benzoic acid tin The mixture planted.
CN201710257886.1A 2017-04-19 2017-04-19 Silane-terminated polyether modified structure fluid sealant Pending CN107022333A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115197668A (en) * 2021-04-13 2022-10-18 圣戈班汇杰(杭州)新材料有限公司 Formula and process of novel transparent high-hardness high-strength modified silica gel
CN116355377A (en) * 2023-04-04 2023-06-30 中铁建华南建设(广州)高科技产业有限公司 Silane modified polyether resin material, preparation method thereof and grouting material
CN117701124A (en) * 2023-12-06 2024-03-15 科顺防水科技股份有限公司 Silane modified polyether waterproof coating and preparation method and application thereof
CN115197668B (en) * 2021-04-13 2024-05-24 圣戈班汇杰(杭州)新材料有限公司 Formula and process of novel transparent high-hardness high-strength modified silica gel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0819749A2 (en) * 1996-07-18 1998-01-21 Simson B.V. Adhesive composition
CN102304340A (en) * 2011-10-09 2012-01-04 北京天山新材料技术股份有限公司 Double-component silane-terminated sealing adhesive and preparation method thereof
CN102660214A (en) * 2012-04-06 2012-09-12 江苏天辰硅材料有限公司 Monocomponent flame-retardant silane modified polyether sealant and preparation method thereof
CN102994034A (en) * 2012-09-29 2013-03-27 北京东方雨虹防水技术股份有限公司 Low-modulus single-component silane modified polyether sealing gum and preparation method thereof
CN105368366A (en) * 2015-12-15 2016-03-02 山东北方现代化学工业有限公司 Silane-terminated polyether sealant and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0819749A2 (en) * 1996-07-18 1998-01-21 Simson B.V. Adhesive composition
CN102304340A (en) * 2011-10-09 2012-01-04 北京天山新材料技术股份有限公司 Double-component silane-terminated sealing adhesive and preparation method thereof
CN102660214A (en) * 2012-04-06 2012-09-12 江苏天辰硅材料有限公司 Monocomponent flame-retardant silane modified polyether sealant and preparation method thereof
CN102994034A (en) * 2012-09-29 2013-03-27 北京东方雨虹防水技术股份有限公司 Low-modulus single-component silane modified polyether sealing gum and preparation method thereof
CN105368366A (en) * 2015-12-15 2016-03-02 山东北方现代化学工业有限公司 Silane-terminated polyether sealant and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115197668A (en) * 2021-04-13 2022-10-18 圣戈班汇杰(杭州)新材料有限公司 Formula and process of novel transparent high-hardness high-strength modified silica gel
CN115197668B (en) * 2021-04-13 2024-05-24 圣戈班汇杰(杭州)新材料有限公司 Formula and process of novel transparent high-hardness high-strength modified silica gel
CN116355377A (en) * 2023-04-04 2023-06-30 中铁建华南建设(广州)高科技产业有限公司 Silane modified polyether resin material, preparation method thereof and grouting material
CN116355377B (en) * 2023-04-04 2023-11-03 中铁建华南建设(广州)高科技产业有限公司 Silane modified polyether resin material, preparation method thereof and grouting material
CN117701124A (en) * 2023-12-06 2024-03-15 科顺防水科技股份有限公司 Silane modified polyether waterproof coating and preparation method and application thereof

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Address after: 215542 Zhongtian Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Jiangsu Province

Applicant after: Jiangsu Crevo Technology Co., Ltd.

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