CN109627988A - A kind of high bond strength Polychloroprene Sealant - Google Patents
A kind of high bond strength Polychloroprene Sealant Download PDFInfo
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- CN109627988A CN109627988A CN201811416508.4A CN201811416508A CN109627988A CN 109627988 A CN109627988 A CN 109627988A CN 201811416508 A CN201811416508 A CN 201811416508A CN 109627988 A CN109627988 A CN 109627988A
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention provides a kind of high bond strength Polychloroprene Sealant, is related to sealant processing technique field.The Polychloroprene Sealant is made of raw material from the following weight: 100-120 parts of neoprene, 10-20 parts of natural rubber, 25-30 parts of bisphenol A type epoxy resin, 4-8 parts of polypropylene fibre, 2-4 parts of magnesia, 4-6 parts of silica, 6-10 parts of methyl trichlorosilane, 0.8-1.4 parts of 4-vinylpridine, 20-25 parts of glycidyl methacrylate, 100-120 parts of xylene solvent, 2-3 parts of coupling agent, 1-4 parts of anti-aging agent.The present invention overcomes the deficiencies in the prior art, the adhesion strength for passing Polychloroprene Sealant is improved, while enhancing the inoxidizability of sealant, cooperates a variety of chemical substances, so that gained sealant is had many advantages, such as that damping property is good, toughness is high, fast drying, multiple fields is suitble to use.
Description
Technical field
The present invention relates to sealant processing technique fields, and in particular to a kind of high bond strength Polychloroprene Sealant.
Background technique
Polychloroprene Sealant category liquid sealant, also known as hydraulic seal gasket, liquid gasket are a kind of in liquid quiet close
Closure material has the performances such as air-tightness is good, resistance to pressure is high, oil resistant, water-fast, mechanical resistant impact, and has wider temperature suitable
Use range.Semi-drying therein sticks bullet type liquid sealant, typically contains organic solvent, solvent volatilizees quickly and formed after coating
Film, can permanent retention viscoelasticity, it is pressure resistance, soft and be readily disassembled, be suitable for automobile industry, machine industry, building
The sealing of industry, waterproof are at present using a kind of most common liquid sealant.
Conventional seals glue seals commonly used in some buildings such as the sealing of Door and window frame and wall and the sealing of steel sash, aluminum window, such close
Sealing has high requirement in its waterproof, damping and adhesion strength, and especially in the adhesion strength of sealant, bonding is strong
Degree is higher, and the buildings such as door and window are more stable, so the adhesion strength for promoting Polychloroprene Sealant is the weight for promoting Polychloroprene Sealant quality
Want method.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of high bond strength Polychloroprene Sealant, improves and pass neoprene sealing
The adhesion strength of glue, while enhancing the inoxidizability of sealant, cooperate a variety of chemical substances, makes gained sealant that there is damping property
Well, the advantages that toughness height, fast drying, multiple fields is suitble to use.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of high bond strength Polychloroprene Sealant, the Polychloroprene Sealant are made of raw material from the following weight: neoprene
100-120 parts, 10-20 parts of natural rubber, 25-30 parts of bisphenol A type epoxy resin, 4-8 parts of polypropylene fibre, 2-4 parts of magnesia,
4-6 parts of silica, 6-10 parts of methyl trichlorosilane, 0.8-1.4 parts of 4-vinylpridine, glycidyl methacrylate 20-
25 parts, 100-120 parts of xylene solvent, 2-3 parts of coupling agent, 1-4 parts of anti-aging agent.
Preferably, the Polychloroprene Sealant is made of raw material from the following weight: 110 parts of neoprene, natural rubber 15
Part, 28 parts of bisphenol A type epoxy resin, 6 parts of polypropylene fibre, 3 parts of magnesia, 5 parts of silica, 8 parts of methyl trichlorosilane, 4- second
1.2 parts of alkenyl pyridine, 22 parts of glycidyl methacrylate, 110 parts of xylene solvent, 2.5 parts of coupling agent, anti-aging agent 2.5
Part.
Preferably, the coupling agent is titanate coupling agent.
Preferably, the anti-aging agent is p-phenylenediamine, 2,6- three-level butyl -4- methylphenol, three monooctyl esters and benzophenone
The mixture of mass ratio 7: 4: 1: 3.
The preparation method of high bond strength Polychloroprene Sealant, comprising the following steps:
(1) neoprene, natural rubber and bisphenol A type epoxy resin are mixed in high-speed stirred under high temperature, it is standby bottom material must be mixed
With；
(2) coupling agent and anti-aging agent will be added in stirring after heat-insulation soaking is added in xylene solvent for a period of time in mixing bottom material
It mixes in machine and persistently stirs, it is spare to obtain base-material；
(3) above-mentioned base-material is added in autoclave and adds polypropylene fibre, magnesia, silica, methyl trichlorine silicon
Alkane, 4-vinylpridine and glycidyl methacrylate after high-temperature stirring, adjust the pressure and temperature of reaction kettle, and to
Supercritical carbon dioxide is passed through in reaction kettle, after standing a period of time, pressure release cooling is canned to obtain Polychloroprene Sealant of the present invention.
Preferably, the temperature of mixing high-temperature stirring is 150-180 DEG C in step (1), and the revolving speed of stirring is 600-800r/
Min, mixing time 20-30min.
Preferably, the temperature that xylene solvent heat-insulation soaking is added in mixing bottom material in step (2) is 45-50 DEG C, when immersion
Between be 60-80min, and being added the time stirred after coupling agent and anti-aging agent is 30-40min.
Preferably, the temperature of all material high-temperature stirring is 100-120 DEG C in step (3), and adjusts the pressure of reaction kettle
For 16-18MPa, temperature is 80-100 DEG C, and being passed through the time stood after supercritical carbon dioxide is 1-1.5h.
The present invention provides a kind of high bond strength Polychloroprene Sealant, and advantage is compared with prior art:
(1) present invention is guaranteeing product high temperature resistant, is preventing using neoprene, natural rubber and bisphenol A type epoxy resin as base-material
The toughness and weatherability of water, the performance of damping while lift-off seal glue effectively promote the service life of product.
(2) present invention is added with polypropylene fibre, magnesia, silica, methyl trichlorosilane, 4-vinylpridine and first
Base glycidyl acrylate, high temperature mixing can effectively promote the adhesion strength of product, and reduce the drying time of sealant,
It is suitble to multiple fields to use.
(3) present invention carries out hybrid process to products material using supercritical carbon dioxide, at high temperature under high pressure at standing
Reason, mixes each component uniformly, effectively promotes the stability of product, and after making sealant shaping and drying structure more closely, tool
There is good leakproofness.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of high bond strength Polychloroprene Sealant, the Polychloroprene Sealant are made of raw material from the following weight: neoprene 100
Part, 10 parts of natural rubber, 25 parts of bisphenol A type epoxy resin, 4 parts of polypropylene fibre, 2 parts of magnesia, 4 parts of silica, methyl three
6 parts of chlorosilane, 0.8 part of 4-vinylpridine, 20 parts of glycidyl methacrylate, 100 parts of xylene solvent, coupling agent 2
Part, 1 part of anti-aging agent.
Wherein, the coupling agent is titanate coupling agent；The anti-aging agent is p-phenylenediamine, 2,6- three-level butyl -4- first
The mixture of base phenol, three monooctyl esters and benzophenone mass ratio 7: 4: 1: 3.
The preparation method of high bond strength Polychloroprene Sealant, comprising the following steps:
(1) neoprene, natural rubber and bisphenol A type epoxy resin are mixed in high-speed stirred under high temperature, it is standby bottom material must be mixed
With；
(2) coupling agent and anti-aging agent will be added in stirring after heat-insulation soaking is added in xylene solvent for a period of time in mixing bottom material
It mixes in machine and persistently stirs, it is spare to obtain base-material；
(3) above-mentioned base-material is added in autoclave and adds polypropylene fibre, magnesia, silica, methyl trichlorine silicon
Alkane, 4-vinylpridine and glycidyl methacrylate after high-temperature stirring, adjust the pressure and temperature of reaction kettle, and to
Supercritical carbon dioxide is passed through in reaction kettle, after standing a period of time, pressure release cooling is canned to obtain Polychloroprene Sealant of the present invention.
Described, the temperature of mixing high-temperature stirring is 150-180 DEG C in step (1), and the revolving speed of stirring is 600-800r/min,
Mixing time is 20-30min；It is 45-50 DEG C that the temperature of xylene solvent heat-insulation soaking, which is added, in mixing bottom material in step (2), leaching
The bubble time is 60-80min, and the time stirred after addition coupling agent and anti-aging agent is 30-40min；All material in step (3)
The temperature of high-temperature stirring is 100-120 DEG C, and the pressure for adjusting reaction kettle is 16-18MPa, and temperature is 80-100 DEG C, is passed through super
The time stood after critical carbon dioxide is 1-1.5h.
Embodiment 2:
A kind of high bond strength Polychloroprene Sealant, the Polychloroprene Sealant are made of raw material from the following weight: neoprene 120
Part, 20 parts of natural rubber, 30 parts of bisphenol A type epoxy resin, 8 parts of polypropylene fibre, 4 parts of magnesia, 6 parts of silica, methyl three
10 parts of chlorosilane, 1.4 parts of 4-vinylpridine, 25 parts of glycidyl methacrylate, 120 parts of xylene solvent, coupling agent 3
Part, 4 parts of anti-aging agent.
Wherein, the coupling agent is titanate coupling agent；The anti-aging agent is p-phenylenediamine, 2,6- three-level butyl -4- first
The mixture of base phenol, three monooctyl esters and benzophenone mass ratio 7: 4: 1: 3.
The preparation method of high bond strength Polychloroprene Sealant, comprising the following steps:
(1) neoprene, natural rubber and bisphenol A type epoxy resin are mixed in high-speed stirred under high temperature, it is standby bottom material must be mixed
With；
(2) coupling agent and anti-aging agent will be added in stirring after heat-insulation soaking is added in xylene solvent for a period of time in mixing bottom material
It mixes in machine and persistently stirs, it is spare to obtain base-material；
(3) above-mentioned base-material is added in autoclave and adds polypropylene fibre, magnesia, silica, methyl trichlorine silicon
Alkane, 4-vinylpridine and glycidyl methacrylate after high-temperature stirring, adjust the pressure and temperature of reaction kettle, and to
Supercritical carbon dioxide is passed through in reaction kettle, after standing a period of time, pressure release cooling is canned to obtain Polychloroprene Sealant of the present invention.
Described, the temperature of mixing high-temperature stirring is 150-180 DEG C in step (1), and the revolving speed of stirring is 600-800r/min,
Mixing time is 20-30min；It is 45-50 DEG C that the temperature of xylene solvent heat-insulation soaking, which is added, in mixing bottom material in step (2), leaching
The bubble time is 60-80min, and the time stirred after addition coupling agent and anti-aging agent is 30-40min；All material in step (3)
The temperature of high-temperature stirring is 100-120 DEG C, and the pressure for adjusting reaction kettle is 16-18MPa, and temperature is 80-100 DEG C, is passed through super
The time stood after critical carbon dioxide is 1-1.5h.
Embodiment 3:
A kind of high bond strength Polychloroprene Sealant, the Polychloroprene Sealant are made of raw material from the following weight: neoprene 110
Part, 15 parts of natural rubber, 28 parts of bisphenol A type epoxy resin, 6 parts of polypropylene fibre, 3 parts of magnesia, 5 parts of silica, methyl three
8 parts of chlorosilane, 1.2 parts of 4-vinylpridine, 22 parts of glycidyl methacrylate, 110 parts of xylene solvent, coupling agent
2.5 parts, 2.5 parts of anti-aging agent.
Wherein, the coupling agent is titanate coupling agent；The anti-aging agent is p-phenylenediamine, 2,6- three-level butyl -4- first
The mixture of base phenol, three monooctyl esters and benzophenone mass ratio 7: 4: 1: 3.
The preparation method of high bond strength Polychloroprene Sealant, comprising the following steps:
(1) neoprene, natural rubber and bisphenol A type epoxy resin are mixed in high-speed stirred under high temperature, it is standby bottom material must be mixed
With；
(2) coupling agent and anti-aging agent will be added in stirring after heat-insulation soaking is added in xylene solvent for a period of time in mixing bottom material
It mixes in machine and persistently stirs, it is spare to obtain base-material；
(3) above-mentioned base-material is added in autoclave and adds polypropylene fibre, magnesia, silica, methyl trichlorine silicon
Alkane, 4-vinylpridine and glycidyl methacrylate after high-temperature stirring, adjust the pressure and temperature of reaction kettle, and to
Supercritical carbon dioxide is passed through in reaction kettle, after standing a period of time, pressure release cooling is canned to obtain Polychloroprene Sealant of the present invention.
Described, the temperature of mixing high-temperature stirring is 150-180 DEG C in step (1), and the revolving speed of stirring is 600-800r/min,
Mixing time is 20-30min；It is 45-50 DEG C that the temperature of xylene solvent heat-insulation soaking, which is added, in mixing bottom material in step (2), leaching
The bubble time is 60-80min, and the time stirred after addition coupling agent and anti-aging agent is 30-40min；All material in step (3)
The temperature of high-temperature stirring is 100-120 DEG C, and the pressure for adjusting reaction kettle is 16-18MPa, and temperature is 80-100 DEG C, is passed through super
The time stood after critical carbon dioxide is 1-1.5h.
Embodiment 4:
The performance of Polychloroprene Sealant obtained by 1-3 of the embodiment of the present invention is detected, as a result as shown in the table:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Tensile strength (MPa) | 3.2 | 2.9 | 3.0 |
| Fault growth rate (%) | 847 | 892 | 933 |
| The artificial ageing time (h) | 2109 | 2477 | 2302 |
Sealant of the present invention draws high intensity, fault growth rate and ageing-resistant performance with excellent as seen from the above table, is suitble to a variety of
Field application.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of high bond strength Polychloroprene Sealant, which is characterized in that the Polychloroprene Sealant by following parts by weight raw material system
At: 100-120 parts of neoprene, 10-20 parts of natural rubber, 25-30 parts of bisphenol A type epoxy resin, 4-8 parts of polypropylene fibre,
2-4 parts of magnesia, 4-6 parts of silica, 6-10 parts of methyl trichlorosilane, 0.8-1.4 parts of 4-vinylpridine, methacrylic acid contracting
20-25 parts of water glyceride, 100-120 parts of xylene solvent, 2-3 parts of coupling agent, 1-4 parts of anti-aging agent.
2. a kind of high bond strength Polychloroprene Sealant according to claim 1, which is characterized in that the Polychloroprene Sealant by
The raw material of following parts by weight is made: 110 parts of neoprene, 15 parts of natural rubber, 28 parts of bisphenol A type epoxy resin, polypropylene are fine
6 parts of dimension, 3 parts of magnesia, 5 parts of silica, 8 parts of methyl trichlorosilane, 1.2 parts of 4-vinylpridine, Glycidyl methacrylate are sweet
22 parts of grease, 110 parts of xylene solvent, 2.5 parts of coupling agent, 2.5 parts of anti-aging agent.
3. a kind of high bond strength Polychloroprene Sealant according to claim 1, it is characterised in that: the coupling agent is metatitanic acid
Ester coupling agent.
4. a kind of high bond strength Polychloroprene Sealant according to claim 1, it is characterised in that: the anti-aging agent is to benzene
Diamines, 2,6- three-level butyl -4- methylphenol, three monooctyl esters and benzophenone mass ratio 7: 4: 1: 3 mixture.
5. a kind of preparation method of high bond strength Polychloroprene Sealant according to claim 1 to 2, which is characterized in that including
Following steps:
(1) neoprene, natural rubber and bisphenol A type epoxy resin are mixed in high-speed stirred under high temperature, it is standby bottom material must be mixed
With；
(2) coupling agent and anti-aging agent will be added in stirring after heat-insulation soaking is added in xylene solvent for a period of time in mixing bottom material
It mixes in machine and persistently stirs, it is spare to obtain base-material；
(3) above-mentioned base-material is added in autoclave and adds polypropylene fibre, magnesia, silica, methyl trichlorine silicon
Alkane, 4-vinylpridine and glycidyl methacrylate after high-temperature stirring, adjust the pressure and temperature of reaction kettle, and to
Supercritical carbon dioxide is passed through in reaction kettle, after standing a period of time, pressure release cooling is canned to obtain Polychloroprene Sealant of the present invention.
6. a kind of preparation method of high bond strength Polychloroprene Sealant according to claim 5, it is characterised in that: step
(1) temperature of mixing high-temperature stirring is 150-180 DEG C in, and the revolving speed of stirring is 600-800r/min, mixing time 20-
30min。
7. a kind of preparation method of high bond strength Polychloroprene Sealant according to claim 5, it is characterised in that: step
(2) it is 45-50 DEG C, soaking time 60-80min that the temperature of xylene solvent heat-insulation soaking, which is added, in mixing bottom material in, and is added
The time stirred after coupling agent and anti-aging agent is 30-40min.
8. a kind of preparation method of high bond strength Polychloroprene Sealant according to claim 5, it is characterised in that: step
(3) temperature of all material high-temperature stirring is 100-120 DEG C in, and the pressure for adjusting reaction kettle is 16-18MPa, temperature 80-
100 DEG C, being passed through the time stood after supercritical carbon dioxide is 1-1.5h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881368A (en) * | 2021-09-07 | 2022-01-04 | 山纳合成橡胶有限责任公司 | Chloroprene latex adhesive for mica tape and preparation method thereof |
| CN114753152A (en) * | 2019-12-29 | 2022-07-15 | 河北新尔特橡塑密封有限公司 | Titanate modified polypropylene fiber, preparation method and application thereof, heat-shrinkage-resistant sealing ring and preparation method thereof |
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