CN110408359A - A kind of silane-terminated polyether sealant and its preparation method and application - Google Patents

A kind of silane-terminated polyether sealant and its preparation method and application Download PDF

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Publication number
CN110408359A
CN110408359A CN201910762643.2A CN201910762643A CN110408359A CN 110408359 A CN110408359 A CN 110408359A CN 201910762643 A CN201910762643 A CN 201910762643A CN 110408359 A CN110408359 A CN 110408359A
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silane
terminated polyether
sealant
polyether sealant
preparation
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刘佳
金一丰
董楠
杜明强
秦鹏飞
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Zhejiang Huangma Technology Co Ltd
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Zhejiang Huangma Technology Co Ltd
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Priority to CN201910762643.2A priority Critical patent/CN110408359A/en
Publication of CN110408359A publication Critical patent/CN110408359A/en
Priority to PCT/CN2020/099060 priority patent/WO2021031702A1/en
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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
    • 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
    • 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
    • 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
    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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

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

Abstract

The invention belongs to sealant technical fields, and in particular to a kind of silane-terminated polyether sealant and its preparation method and application.Sealant of the invention is made of following components by mass percentage: silane-terminated polyether 10 ~ 35, plasticizer 10 ~ 30, solid powder 45 ~ 60, deicer 1.0 ~ 2.5, coupling agent 0.5 ~ 2.0, auxiliary additive 0.5 ~ 3.0, catalyst 0.05 ~ 1.0.The silane-terminated polyether sealant that the present invention is prepared is uniformly dispersed, tensile strength is moderate, high elongation rate and good elastic recovery rate and excellent cementability, simultaneously it is environmentally friendly and have preferable biocompatibility, the market demand being able to satisfy in assembled architecture industry.

Description

A kind of silane-terminated polyether sealant and its preparation method and application
Technical field
The invention belongs to sealant technical fields, and in particular to a kind of silane-terminated polyether sealant and preparation method thereof and Using.
Background technique
MS glue in 1978 is developed by Japanese Kanegafuchi Chemical Industry Co., Ltd and is listed, and is promoted and applied in heavy construction, Obtain good effect.Last century the nineties, German Wa Ke company invented silicon substrate sealing end polyurethane resin use watt Gram distinctive α polymerization technique, is more suitable European market.Domestic many companies also develop according to the market demand different types of Sealant, but since the quality of raw material is there are gap, the service performance of sealant is widely different.
The comprehensive performance of silane-terminated polyether sealant all comparative superiorities, show excellent weather-proof, durability, and high is anti- The advantages that deformational displacement ability, good caking property, paintability, the friendly property of environment, low staining and excellent workability.
CN100509955C discloses a kind of one-component silane modified polyether seal glue and preparation method thereof, uses neighbour Phthalic easter plastizer limits field of employment, and sealant is insufficient in terms of elongation characteristics；CN103333653A A kind of flame retardant type one-component silane modified polyether seal glue and preparation method thereof is disclosed, the flame retardant property of sealant is improved；
CN108102592A discloses a kind of novel solvent-free quick-dry type nail-free glue and preparation method thereof, to preparing ring health care Health type sealant provides new thinking, but the integrated artistic time is longer；CN108546537A discloses a kind of low-cost environmental-protecting Nail-free glue and preparation method thereof does the heat resistance that plasticizer improves sealant using castor oil.
As the fast-developing and national relevant policies of modern industry require to propose more the service performance of sealant High standard, develops a kind of high-performance silane-terminated polyether sealant, and the performances such as improvement tensile strength, elongation and bonding are simultaneously same When to take into account environment-friendly and low-toxicity be developing direction in the following industry.Based on this, the application is made.
Summary of the invention
It is an object of the invention to propose a kind of silane-terminated polyether sealant and its preparation method and application, improve sealing The mechanical property and adhesive property of glue improve the comprehensive performance and quality of sealant, expand domestic sealant application range, with full The market demand in sufficient industry, concrete scheme are as follows:
A kind of silane-terminated polyether sealant, the sealant are made of following components by mass percentage:
Silane-terminated polyether 10~35, plasticizer 10~30, solid powder 45~60, deicer 1.0~2.5, coupling agent 0.5~2.0, auxiliary additive 0.5~3.0, catalyst 0.05~1.0；
The silane-terminated polyether main body bone chain is polyethenoxy ether segment, and end group is two or three hydrolyzable methoxies Base silane base.
The plasticizer is the polyethenoxy ether (preferably PPG2000) of epoxidized methyl acetorieinoleate or low molecular weight.
The solid powder is heavy activated Calcium carbonate (GCC), nm-class active calcium carbonate (PCC) and hydrophobic gas phase titanium dioxide The mixture of silicon three.Wherein GCC is increment powder, and PCC is reinforcement powder, and hydrophobic fumed silica is thickening powder.
The deicer is one of diisobutyl ether trimethoxy silane or monosubstituted oxazolyl alkanes.
The coupling agent is isopropyl three (dodecyl benzenesulfonyl) titanate esters, N-2- (aminoethyl) -3- aminopropyl three One of methoxy silane, γ-aminopropyltrimethoxysilane or γ-methacryloxypropyl trimethoxy silane, It is preferred that N-2- (aminoethyl) -3- aminopropyl trimethoxysilane.
The auxiliary additive is thixotropic agent and liquid antioxidant: the thixotropic agent be polyamide wax, rilanit special or Organic modification montmonrillonite；The liquid antioxidant is the compound ultraviolet absorbing agent of BASF.
The catalyst is modified organic chelated tin compound.Organic chelated tin compound be Japan chemical conversion U-220H or The KAT226 of German Tib.
A kind of preparation method of silane-terminated polyether sealant, comprising the following steps:
(1) silane-terminated polyether, plasticizer and ultraviolet absorber are added to the stirring of double-planet power under a nitrogen atmosphere In device, 20~30min of high-speed stirred under vacuum condition；
(2) auxiliary additive and solid powder is added in condition of nitrogen gas again, is warming up at 90-110 DEG C and vacuumizes high speed 1.5~2.0h is stirred, deicer and coupling agent are added under a nitrogen atmosphere after being cooled to 45~55 DEG C, vacuumizes high-speed stirred 20 ~30min；(3) catalyst is added under a nitrogen atmosphere to vacuumize, 20~30min of high-speed stirred, canned, constant temperature cooling is divided Dissipate uniformly silane-terminated polyether sealant of good performance.
The step (1, the case where vacuum condition in (2) and (3) refers both to air pressure≤30mbar.
Above-mentioned silane-terminated polyether sealant is applied to assembled architecture.
The silane-terminated polyether sealant tensile strength that the present invention is prepared is moderate, high elongation rate and good elasticity Response rate and excellent cementability, while environmentally friendly and there is preferable biocompatibility, 23 ± 2 DEG C and 50 ± Under the conditions of 5RH%, surface drying time is less than 3h, and 1.5~2.5MPa of tensile strength, elongation 500~700%, elastic recovery rate is big In 80%, cohesional failure and bonding plane breakage area is less than 10% achieves relatively good technical effect, is able to satisfy assembled and builds Build the market demand in industry.
Specific embodiment
Embodiment 1
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether S303H -20%, plasticizer epoxidized methyl acetorieinoleate -20%, light stabilizer B75-1%, polyamide wax-1.6%, solid powder GCC-39%, PCC-13% and fumed silica-2%, water removal Agent diisobutyl ether two (trimethoxy) silane -1.6%, coupling agent N-2- (aminoethyl) -3- aminopropyl trimethoxysilane (KH-792) -1.6%, catalyst U-220H -0.2%.
A kind of preparation method of silane-terminated polyether sealant, comprising the following steps:
(1) silane-terminated polyether, plasticizer and ultraviolet absorber double-planet power is added under a nitrogen atmosphere to mix In device, (≤30mbar) stirs 20~30min under vacuum condition；
(2) auxiliary additive and solid powder is added in condition of nitrogen gas again, be warming up under 90-110 and vacuumize (≤ 1.5~2.0h 30mbar) is stirred, deicer and coupling agent are added under a nitrogen atmosphere after being cooled to 45~55 DEG C, vacuumize (≤ 30mbar) stir 20~30min
(3) catalyst is added under a nitrogen atmosphere and vacuumizes 20~30min of (≤30mbar) stirring, canned, constant temperature is cooling Obtain the good silane-terminated polyether sealant of performance that is uniformly dispersed.
Test result is shown in Table 1.
Embodiment 2
A kind of assembled architecture silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-20%, plasticizer epoxidized methyl acetorieinoleate-20%, light stabilizer B75-1%, polyamide wax-1.6%, solid powder GCC-39%, PCC-13% and fumed silica-2%, water removal Agent diisobutyl ether two (trimethoxy) silane -1.6%, coupling agent N-2- (aminoethyl) -3- aminopropyl trimethoxysilane (KH-792) -1.6%, catalyst U-220H -0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 1.
Embodiment 3
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-20%, plasticizer P PG2000-20%, light stabilizer B75-1% are organic Modified montmorillonoid -1.6%, solid powder GCC -39%, PCC -13% and fumed silica -2%, two isobutyl of deicer Base ether two (trimethoxy) silane -1.6%, coupling agent isopropyl three (dodecyl benzenesulfonyl) titanate esters -1.6%, Catalyst KAT226-0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 1.
Embodiment 4
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-20%, plasticizer P PG2000-20%, light stabilizer B75-1% are organic Modified montmorillonoid -1.6%, solid powder GCC -39%, PCC -13% and fumed silica -2%, deicer monosubstituted oxazolyl Alkanes CH-6-1.6%, coupling agent N-2- (aminoethyl)-3- aminopropyl trimethoxysilane (KH-792)-1.6%, catalyst KAT226-0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 1.
Embodiment 5
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether S303H-20%, plasticizer P PG2000-20%, light stabilizer B75-1%, hydrogenated castor Oil -1.6%, solid powder GCC -39%, PCC -13% and fumed silica -2%, deicer monosubstituted oxazolyl alkanes CH- 6-1.6%, coupling agent isopropyl three (dodecyl benzenesulfonyl) titanate esters-1.6%, catalyst U-220H-0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 1.
Embodiment 6
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether S303H-20%, plasticizer P PG2000-20%, light stabilizer B75-1%, hydrogenated castor Oil -1.6%, solid powder GCC -39%, PCC -13% and fumed silica -2%, deicer monosubstituted oxazolyl alkanes CH- 6-1.6%, coupling agent N-2- (aminoethyl)-3- aminopropyl trimethoxysilane (KH-792)-1.6%, catalyst dibutyltin osmanthus Sour dibutyl tin -0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 1.
Table 1
It can be seen that the sealing that S303H and two silane-terminated polyether of HMS-1303 are prepared from the test result of table 1 Glue has preferable technical indicator, and distinguishes little；The surface drying of different catalysts dosage and deicer type to sealant Time and curing rate have apparent function and effect；The type of thixotropic agent will affect the stickiness that disappears of sealant, substantially be mixed Close the difference of effect；In the case where sealant formula solid-liquid ratio is basically unchanged, physical property can be met the requirements；Together When can be seen that different plasticizer corresponds to different mechanical performances, this provides certain think of for subsequent improvement process recipe Road is conducive to the application range for widening sealant.
Embodiment 7
A kind of assembled architecture silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether S303H-15%, plasticizer P PG2000-25%, light stabilizer B75-1%, polyamide Wax -1.6%, solid powder GCC -39%, PCC -13% and fumed silica -2%, deicer diisobutyl ether two (trimethoxy) silane -1.6%, coupling agent N-2- (aminoethyl) -3- aminopropyl trimethoxysilane (KH-792) -1.6%, Catalyst KAT226-0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 1.
Embodiment 8
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-15%, plasticizer epoxidized methyl acetorieinoleate-25%, light stabilizer B75-1%, polyamide wax-1.6%, solid powder GCC-26%, PCC-26% and fumed silica-2%, water removal Agent diisobutyl ether two (trimethoxy) silane -1.6%, coupling agent isopropyl three (dodecyl benzenesulfonyl) metatitanic acid Ester -1.6%, catalyst U-220H -0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 2.
Embodiment 9
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-15%, plasticizer P PG2000-25%, light stabilizer B75-1%, hydrogenation Castor oil -1.6%, solid powder GCC -26%, PCC -26% and fumed silica -2%, deicer diisobutyl ether Base two (trimethoxy) silane -1.0%, coupling agent N-2- (aminoethyl) -3- aminopropyl trimethoxysilane (KH-792) - 1.6%, catalyst U-220H -0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 2.
Embodiment 10
A kind of assembled architecture silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether S303H-15%, plasticizer P PG2000-25%, light stabilizer B75-1%, hydrogenated castor Oil -1.6%, solid powder GCC -26%, PCC -26% and fumed silica -2%, deicer diisobutyl ether two (trimethoxy) silane -2.5%, coupling agent N-2- (aminoethyl) -3- aminopropyl trimethoxysilane (KH-792) -1.6%, Catalyst KAT226-0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 2.
Embodiment 11
A kind of silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-15%, plasticizer epoxidized methyl acetorieinoleate-25%, light stabilizer B75-1%, polyamide wax-1.6%, solid powder GCC-32%, PCC-20% and fumed silica-2%, water removal Agent diisobutyl ether two (trimethoxy) silane -1.6%, coupling agent isopropyl three (dodecyl benzenesulfonyl) metatitanic acid Ester-0.6%, catalyst KAT226-0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 2.
Embodiment 12
A kind of assembled architecture silane-terminated polyether sealant, is made of following components by mass percentage:
Silane-terminated polyether HMS-1303-15%, plasticizer P PG2000-25%, light stabilizer B75-1%, polyamides Amine wax -1.6%, solid powder GCC -32%, PCC -20% and fumed silica -2%, deicer monosubstituted oxazolyl alkanes CH-6-1.6%, coupling agent isopropyl three (dodecyl benzenesulfonyl) titanate esters-2.5%, two fourth of catalyst dibutyltin cinnamic acid Ji Xi -0.2%.
Preparation method and embodiment 1 are identical.
Test result is shown in Table 2.
Table 2
The ratio that can be seen that adjustment solid powder GCC and PCC from the test result of table 2, utilizes S303H and HMS- The physical property different from of 1303 sealants being prepared as base rubber, this is mainly between filler and silane-terminated polyether Interaction force change caused by；Different deicer dosages have significantly the surface drying time and curing rate of sealant Function and effect, and during simulating aging in the later period, the degree of aging of sealant is also different, this can be to the storage of sealant Stability is deposited to have a great impact；In the case where being coupled agent content in changing sealant formula, the adhesive property of sealant is poor Away from obvious.
The test data of comprehensive Tables 1 and 2, the silane-terminated polyether sealant that the present invention is prepared possess tensile strength Moderate, high elongation rate and good elastic recovery rate and superior adhesion, at the same it is environmentally friendly and there is preferable biology Compatibility, under the conditions of 23 ± 2 DEG C and 50 ± 5RH%, surface drying time is less than 3h, 1.5~2.5MPa of tensile strength, elongation 500~700%, elastic recovery rate is greater than 80%, and cohesional failure and bonding plane breakage area is less than 10% achieves relatively good Technical effect, the market demand being able to satisfy in assembled architecture industry.
The above content is the preferred embodiments of combination the invention to further detailed made by provided technical solution Describe in detail bright, and it cannot be said that the invention specific implementation is confined to these above-mentioned explanations, technology affiliated for the invention For the those of ordinary skill in field, without departing from the concept of the premise of the invention, several simple deductions can also be made Or replacement, it all shall be regarded as belonging to the protection scope of the invention.

Claims (10)

1. a kind of silane-terminated polyether sealant, which is characterized in that the sealant is made of following components by mass percentage:
Silane-terminated polyether 10 ~ 35, plasticizer 10 ~ 30, solid powder 45 ~ 60, deicer 1.0 ~ 2.5, coupling agent 0.5 ~ 2.0, Auxiliary additive 0.5 ~ 3.0, catalyst 0.05 ~ 1.0；
The silane-terminated polyether main body bone chain is polyethenoxy ether segment, and end group is two or three hydrolyzable methoxyl group silicon Alkyl.
2. a kind of silane-terminated polyether sealant according to claim 1, it is characterised in that: the plasticizer is epoxy second The polyethenoxy ether of acyl methyl ricinolcic acid or low molecular weight.
3. a kind of silane-terminated polyether sealant according to claim 1, it is characterised in that: the solid powder is heavy The mixture of activated Calcium carbonate, nm-class active calcium carbonate and hydrophobic fumed silica three.
4. a kind of silane-terminated polyether sealant according to claim 1, it is characterised in that: the deicer is two isobutyls One of base ether trimethoxy silane or monosubstituted oxazolyl alkanes.
5. a kind of silane-terminated polyether sealant according to claim 1, it is characterised in that: the coupling agent is isopropyl Three (dodecyl benzenesulfonyl) titanate esters, N-2- (aminoethyl) -3- aminopropyl trimethoxysilane, γ-aminopropyl trimethoxy One of base silane or γ-methacryloxypropyl trimethoxy silane.
6. a kind of silane-terminated polyether sealant according to claim 1, it is characterised in that: the auxiliary additive is touching Become agent and liquid antioxidant: the thixotropic agent is polyamide wax, rilanit special or organic modification montmonrillonite；The liquid antioxygen Agent is the compound ultraviolet absorbing agent of BASF.
7. a kind of silane-terminated polyether sealant according to claim 1, it is characterised in that: the catalyst is that modification has Machine chelates tin compound.
8. a kind of preparation method of silane-terminated polyether sealant as described in claim 1, it is characterised in that: including following step It is rapid:
(1) silane-terminated polyether, plasticizer and ultraviolet absorber are added under a nitrogen atmosphere in double-planet power blender, 20 ~ 30min of high-speed stirred under vacuum condition；
(2) auxiliary additive and solid powder is added in condition of nitrogen gas again, is warming up at 90-110 DEG C and vacuumizes high speed stirring Deicer and coupling agent is added after being cooled to 45 ~ 55 DEG C in 1.5 ~ 2.0h under a nitrogen atmosphere, vacuumize high-speed stirred 20 ~ 30min；
(3) catalyst is added under a nitrogen atmosphere to vacuumize, 20 ~ 30min of high-speed stirred, canned, constant temperature is cooling to obtain dispersion Even silane-terminated polyether sealant of good performance.
9. a kind of preparation method of silane-terminated polyether sealant according to claim 8, it is characterised in that: the step (1, the case where vacuum condition in (2) and (3) refers both to air pressure≤30mbar.
10. a kind of silane-terminated polyether sealant as described in claim 1 is applied to assembled architecture.
CN201910762643.2A 2019-08-19 2019-08-19 A kind of silane-terminated polyether sealant and its preparation method and application Pending CN110408359A (en)

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CN111393611A (en) * 2020-04-29 2020-07-10 浙江皇马科技股份有限公司 Silane end-capped resin for sealant and preparation method thereof
CN111690357A (en) * 2020-06-26 2020-09-22 中国轻工业长沙工程有限公司 Damping rubber for refrigerator evaporator
CN112111245A (en) * 2020-09-29 2020-12-22 浙江皇马科技股份有限公司 Low-modulus silane modified resin sealant and preparation method and application thereof
WO2021031702A1 (en) * 2019-08-19 2021-02-25 浙江皇马科技股份有限公司 Silane-terminated polyether sealant, preparation method therefor and application thereof
CN112480853A (en) * 2020-12-04 2021-03-12 浙江皇马科技股份有限公司 Organic silicon modified polyether type nail-free glue and preparation method thereof
CN112538332A (en) * 2020-12-08 2021-03-23 浙江皇马科技股份有限公司 High-modulus silane-terminated polymer resin windshield adhesive and preparation method thereof
CN113388353A (en) * 2021-06-04 2021-09-14 浙江皇马科技股份有限公司 Silane modified polyether nail-free glue and preparation method thereof
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CN113388353A (en) * 2021-06-04 2021-09-14 浙江皇马科技股份有限公司 Silane modified polyether nail-free glue and preparation method thereof
CN113388353B (en) * 2021-06-04 2023-03-07 浙江皇马科技股份有限公司 Silane modified polyether nail-free glue and preparation method thereof
CN113736428A (en) * 2021-08-30 2021-12-03 浙江皇马科技股份有限公司 Environment-friendly low-modulus sealant and preparation method thereof

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