CN108913044A - A kind of PVC sealant and preparation method thereof - Google Patents
A kind of PVC sealant and preparation method thereof Download PDFInfo
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- CN108913044A CN108913044A CN201810807211.4A CN201810807211A CN108913044A CN 108913044 A CN108913044 A CN 108913044A CN 201810807211 A CN201810807211 A CN 201810807211A CN 108913044 A CN108913044 A CN 108913044A
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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
-
- 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
- C09J11/08—Macromolecular additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of PVC sealant, the component including following parts by weight：30-90 parts of vinyl chloride, 4-10 parts of Corvic, 15-30 parts of dialkyl polydimethylsiloxane, 15-45 parts of white carbon black, 5-20 parts of diluent, 15-20 parts of crosslinking agent, 5-15 parts of tackifier and 15-30 parts of stabilizer, preparation method includes the following steps：S1. vinyl chloride 30-90 parts and Corvic 4-10 parts is added in high speed agitator, revolving speed is set as 200-300 revs/min, and temperature is 45-65 DEG C, is stirred evenly, and forms PVC blend A.A kind of PVC sealant proposed by the present invention, degree of adhesion is high, is not easy degumming, and sealing performance is strong, long service life, can be applied to manufacturing industry and food service industry, and its simple process is uncomplicated, it is made more to be superior to conventional seals glue material.
Description
Technical field
The present invention relates to PVC sealant technical fields more particularly to a kind of PVC sealant and preparation method thereof.
Background technique
PVC sealant is a kind of paste sealant, has good thixotropy.Becoming after heating plasticizing has certain bonding
The elastomer of intensity, wearability, resistance to deflection, chemical mediator-resitant property are excellent, have with electrophoretic primer, epoxy polyamide priming paint etc.
Good binding force is widely used in the sealing of manufacturing inside and outside weld seam.PVC sealant is low in cost with its, it is tasteless, nontoxic,
The good comprehensive performances such as construction technology is good and sealing effect is excellent become the ideal material of current weld seam sealing, are applications
A kind of most universal and most study sealant.
Summary of the invention
It is weak the purpose of the present invention is to solve easy degumming, degree of adhesion existing for existing sealant and not environmentally, it is toxic
A kind of environment-protecting and non-poisonous PVC sealant and preparation method thereof big to human injury, and proposing, is added into PVC material for natural material
In material, wherein the white carbon black added, diluent, tackifier degree of adhesion are high, it is not easy degumming, long service life, sealing performance is strong, and
And be Nantural non-toxic harmless components, can security application in manufacturing industry and food service industry.
To achieve the goals above, present invention employs following technical solutions：
A kind of PVC sealant, the component including following parts by weight：30-90 parts of vinyl chloride, Corvic 4-10
Part, 15-30 parts of dialkyl polydimethylsiloxane, 15-45 parts of white carbon black, 5-20 parts of diluent, 15-20 parts of crosslinking agent, thickening
5-15 parts and stabilizer 15-30 parts of agent.
Preferably, the Corvic is that polychloroethylene with high polymerization degree pastes resin, the white that partial size is 0.1-1 μm
Powdery, property is loose, odorless, nontoxic, stablizes under room temperature to soda acid and salt, and plasticizing capacity is preferable.
Preferably, the diluent is clay, kaolin, clay or talcum powder.
Preferably, the tackifier are thickening rosin resin or modified rosin resin.
Preferably, the stabilizer is organotin, antimony organic or rare-earth stabilizer.
A kind of preparation method of PVC sealant, includes the following steps：
S1. vinyl chloride 30-90 parts and Corvic 4-10 parts is added in high speed agitator, revolving speed is set as
200-300 revs/min, temperature is 45-65 DEG C, is stirred evenly, and forms PVC blend A；
S2. blend A is added white carbon black 15-45 parts, be put into blender, setting revolving speed is 300-500 revs/min, is stirred
It mixes uniformly, after adding 15-30 parts of dialkyl polydimethylsiloxane, stirring 30-60 minutes, stands 15-30 minutes and formed altogether
Mixed object B；
S3. diluent 5-20 parts is added into blend B, after standing 15-30 minutes, completely to blend B dilution, opens
Blender sets 100-300 revs/min for revolving speed, stirs 30-60 minutes, forms blend C；
S4. crosslinking agent 15-20 parts is added into blend C, base polymer is coupled to reticular structure, adds appropriate
Water, so that crosslinking agent is hydrolyzed reaction, the time controlled at 30-40 minutes, obtained hydrolysate D；
S4. tackifier 5-15 parts of progress vulcanization reaction, while turn on agitator, revolving speed 60-80 are added into product D
Rev/min, it stirs 30-60 minutes, obtains polymer E；
S5. stabilizer 15-30 parts is added in polymer E, stirring is put into suction filtration machine after 15-20 minutes and filters, and obtains
Colloid F；
S6. the colloid F filtered out is put into dryer, temperature is 45-60 DEG C, after drying 10-30 minutes, is obtained described
PVC sealant.
Beneficial effect of the present invention：A kind of PVC sealant proposed by the present invention and preparation method thereof is in order to solve existing PVC material
Expect present in technology of preparing easily degumming, degree of adhesion it is weak and not environmentally, the toxic disadvantage big to human injury, by natural material
It is added into PVC material, wherein the white carbon black added, diluent, tackifier are Nantural non-toxic harmless components, it can security application
In manufacturing industry and food service industry, and degree of adhesion is high, is not easy degumming, long service life, sealing performance is strong, commonly uses better than market close
Sealing.
Detailed description of the invention
Fig. 1 is a kind of result comparative diagram of three embodiments of the preparation method of PVC sealant proposed by the present invention.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
Referring to Fig.1, the preparation method of a kind of PVC sealant proposed by the present invention, includes the following steps：
S1. 30 parts and 4 parts of Corvic of vinyl chloride are added in high speed agitator, revolving speed is set as 200- revs/min,
Temperature is 45 DEG C, is stirred evenly, and PVC blend A is formed；
S2. blend A being added 15 parts of white carbon black, be put into blender, setting revolving speed is 300 revs/min, it stirs evenly,
After adding 15 parts of dialkyl polydimethylsiloxane, stirring 30 minutes, 15 minutes formation blend B are stood；
S3. 5 parts of diluent are added into blend B, after standing 15 minutes, completely to blend B dilution, opens stirring
Device sets 100 revs/min for revolving speed, stirs 30 minutes, forms blend C；
S4. 15 parts of crosslinking agent are added into blend C, base polymer is coupled to reticular structure, is added suitable
Water makes crosslinking agent that reaction be hydrolyzed, and the time controlled at 30 minutes, obtains hydrolysate D；
S4. tackifier 5- parts of progress vulcanization reaction, while turn on agitator are added into product D, revolving speed is 60 revs/min,
Stirring 30 minutes, obtains polymer E；
S5. 15 parts of stabilizer are added in polymer E, stirring is put into suction filtration machine after 15 minutes and filters, and obtains colloid F；
S6. the colloid F filtered out is put into dryer, temperature is 45 DEG C, and drying after ten minutes, obtains the PVC sealing
Glue.
Embodiment two
A kind of preparation method of PVC sealant proposed by the present invention, includes the following steps：
S1. 60 parts and 5 parts of Corvic of vinyl chloride are added in high speed agitator, revolving speed is set as 250 revs/min,
Temperature is 55 DEG C, is stirred evenly, and PVC blend A is formed；
S2. blend A being added 35 parts of white carbon black, be put into blender, setting revolving speed is 400 revs/min, it stirs evenly,
After adding 20 parts of dialkyl polydimethylsiloxane, stirring 40 minutes, 20 minutes formation blend B are stood；
S3. 15 parts of diluent are added into blend B, stands after twenty minutes, completely to blend B dilution, opens stirring
Device sets 200 revs/min for revolving speed, stirs 40 minutes, forms blend C；
S4. 18 parts of crosslinking agent are added into blend C, base polymer is coupled to reticular structure, is added suitable
Water makes crosslinking agent that reaction be hydrolyzed, and the time controlled at 35 minutes, obtains hydrolysate D；
S4. 10 parts of progress vulcanization reactions of tackifier, while turn on agitator are added into product D, revolving speed is 70 revs/min,
Stirring 40 minutes, obtains polymer E；
S5. 20 parts of stabilizer are added in polymer E, stirring is put into suction filtration machine after 18 minutes and filters, and obtains colloid F；
S6. the colloid F filtered out is put into dryer, temperature is 55 DEG C, and drying after twenty minutes, obtains the PVC sealing
Glue.
Embodiment three
A kind of preparation method of PVC sealant proposed by the present invention, includes the following steps：
S1. 90 parts and 10 parts of Corvic of vinyl chloride are added in high speed agitator, revolving speed is set as 300 revs/min,
Temperature is 65 DEG C, is stirred evenly, and PVC blend A is formed；
S2. blend A being added 45 parts of white carbon black, be put into blender, setting revolving speed is 500 revs/min, it stirs evenly,
After adding 30 parts of dialkyl polydimethylsiloxane, stirring 60 minutes, 30 minutes formation blend B are stood；
S3. 20 parts of diluent are added into blend B, after standing 30 minutes, completely to blend B dilution, opens stirring
Device sets 300 revs/min for revolving speed, stirs 30-60 minutes, forms blend C；
S4. 20 parts of crosslinking agent are added into blend C, base polymer is coupled to reticular structure, is added suitable
Water makes crosslinking agent that reaction be hydrolyzed, and the time controlled at 40 minutes, obtains hydrolysate D；
S4. 15 parts of progress vulcanization reactions of tackifier, while turn on agitator are added into product D, revolving speed is 80 revs/min,
Stirring 60 minutes, obtains polymer E；
S5. 30 parts of stabilizer are added in polymer E, stirring, which is put into after twenty minutes in suction filtration machine, to be filtered, and colloid F is obtained；
S6. the colloid F filtered out is put into dryer, temperature is 60 DEG C, after drying 30 minutes, obtains the PVC sealing
Glue.
It is compared and show that embodiment three is optimum production process scheme.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of PVC sealant, which is characterized in that the component including following parts by weight：30-90 parts of vinyl chloride, polyvinyl chloride
4-10 parts of resin, 15-30 parts of dialkyl polydimethylsiloxane, 15-45 parts of white carbon black, 5-20 parts of diluent, crosslinking agent 15-20
Part, 5-15 parts of tackifier and 15-30 parts of stabilizer.
2. a kind of PVC sealant according to claim 1, which is characterized in that the Corvic is high polymerization degree
PVC paste resin, the white powder that partial size is 0.1-1 μm, property is loose, odorless, nontoxic, to soda acid and salt under room temperature
Stablize, plasticizing capacity is preferable.
3. a kind of PVC sealant according to claim 1, which is characterized in that the diluent is clay, kaolin, pottery
Soil or talcum powder.
4. a kind of PVC sealant according to claim 1, which is characterized in that the tackifier be thickening rosin resin or
Modified rosin resin.
5. a kind of PVC sealant according to claim 1, which is characterized in that the stabilizer be organotin, antimony organic or
Rare-earth stabilizer.
6. a kind of preparation method of PVC sealant, which is characterized in that include the following steps：
S1. vinyl chloride 30-90 parts and Corvic 4-10 parts is added in high speed agitator, revolving speed is set as 200-300
Rev/min, temperature is 45-65 DEG C, is stirred evenly, and PVC blend A is formed；
S2. blend A is added white carbon black 15-45 parts, be put into blender, setting revolving speed is 300-500 revs/min, and stirring is equal
It is even, after adding 15-30 parts of dialkyl polydimethylsiloxane, stirring 30-60 minutes, stand 15-30 minutes formation blends
B；
S3. diluent 5-20 parts is added into blend B, after standing 15-30 minutes, completely to blend B dilution, unlatching is stirred
Device is mixed, 100-300 revs/min is set by revolving speed, stirs 30-60 minutes, form blend C；
S4. crosslinking agent 15-20 parts is added into blend C, base polymer is coupled to reticular structure, is added suitable
Water makes crosslinking agent that reaction be hydrolyzed, and the time controlled at 30-40 minutes, obtains hydrolysate D；
S4. tackifier 5-15 parts of progress vulcanization reaction, while turn on agitator are added into product D, revolving speed is 60-80 revs/min,
Stirring 30-60 minutes, obtains polymer E；
S5. stabilizer 15-30 parts is added in polymer E, stirring is put into suction filtration machine after 15-20 minutes and filters, and obtains colloid
F；
S6. the colloid F filtered out is put into dryer, temperature is 45-60 DEG C, and after drying 10-30 minutes, it is close to obtain the PVC
Sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807211.4A CN108913044A (en) | 2018-07-21 | 2018-07-21 | A kind of PVC sealant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807211.4A CN108913044A (en) | 2018-07-21 | 2018-07-21 | A kind of PVC sealant and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108913044A true CN108913044A (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810807211.4A Pending CN108913044A (en) | 2018-07-21 | 2018-07-21 | A kind of PVC sealant and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909639A (en) * | 2020-06-24 | 2020-11-10 | 上海祥仓包装印刷有限公司 | PVC laminating adhesive and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329442A (en) * | 1969-09-29 | 1973-09-05 | Stauffer Wacker Silicone Corp | Organosiloxane-polyvinyl chloride blends |
| EP0209082A1 (en) * | 1985-07-16 | 1987-01-21 | ARA-Werk Krämer GmbH + Co. | Moisture-curable silicon composition |
| CN1200749A (en) * | 1995-10-25 | 1998-12-02 | 考陶尔德航空股份有限公司 | One-component chemically curing hot applied insulating glass sealant |
| EP2025715A1 (en) * | 2006-06-02 | 2009-02-18 | Kaneka Corporation | Curable composition |
-
2018
- 2018-07-21 CN CN201810807211.4A patent/CN108913044A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329442A (en) * | 1969-09-29 | 1973-09-05 | Stauffer Wacker Silicone Corp | Organosiloxane-polyvinyl chloride blends |
| EP0209082A1 (en) * | 1985-07-16 | 1987-01-21 | ARA-Werk Krämer GmbH + Co. | Moisture-curable silicon composition |
| CN1200749A (en) * | 1995-10-25 | 1998-12-02 | 考陶尔德航空股份有限公司 | One-component chemically curing hot applied insulating glass sealant |
| EP2025715A1 (en) * | 2006-06-02 | 2009-02-18 | Kaneka Corporation | Curable composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111909639A (en) * | 2020-06-24 | 2020-11-10 | 上海祥仓包装印刷有限公司 | PVC laminating adhesive and preparation method thereof |
| CN111909639B (en) * | 2020-06-24 | 2021-10-08 | 上海祥仓包装印刷有限公司 | PVC laminating adhesive and preparation method thereof |
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Application publication date: 20181130 |