CN106893223A - A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate - Google Patents
A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate Download PDFInfo
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- CN106893223A CN106893223A CN201510971622.3A CN201510971622A CN106893223A CN 106893223 A CN106893223 A CN 106893223A CN 201510971622 A CN201510971622 A CN 201510971622A CN 106893223 A CN106893223 A CN 106893223A
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- China
- Prior art keywords
- calcium carbonate
- activated calcium
- minutes
- preparation
- auxiliary agent
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- 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
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- 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
Abstract
The invention discloses a kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, comprise the following steps：1) choose calcium carbonate to be added in high-speed mixer, be warmed up to 100-120 DEG C, remove water 3-5 minutes, add the phosphate of 1.5-5%, activation process calcium carbonate 5-10 minutes；2) polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are mixed, puts into and plasticated on twin-screw extruder 5-10 minutes, the temperature of rubber mixing machine is 170-180 DEG C；3) pulling-on piece, then be molded 4-6 minutes on 180-200 DEG C of vulcanizing press；4) PVC composites are made on universal sampling machine.Preparation method of the present invention, calcium carbonate by after phosphate cladding, mix with polyvinyl chloride resin, auxiliary agent, by plasticating, pulling-on piece, the prepared modified PVC composite of molding；The characteristics of with simple production process, low production cost, the toughness of PVC can be effectively improved.
Description
Technical field
The present invention relates to PVC material production and processing technical field, more particularly to a kind of activated Calcium carbonate
The preparation method of filling-modified PVC composites.
Background technology
At present, PVC occupies second largest general-purpose plastics status in the world, and its abundance, price is low
It is honest and clean, be widely used, be mainly used as building structural materials, but the fragility of PVC is big, toughness compared with
Difference, so PVC is by toughening modifying, just with more use value.Calcium carbonate raw material is wide, valency
Lattice are cheap, non-toxic, easy to use, are domestic and international yield and the maximum inorganic filler agent of consumption
One of, mainly as the inserts of the industries such as plastics, rubber, coating, paint and papermaking.
The content of the invention
The purpose of the present invention is directed to above-mentioned the problems of the prior art, there is provided a kind of activated Calcium carbonate
The preparation method of filling-modified PVC composites, calcium carbonate by phosphate cladding after, with
Polyvinyl chloride resin, auxiliary agent mixing, by plasticating, pulling-on piece, molding modified PVC composite is obtained.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, including following step
Suddenly：
1) choose calcium carbonate to be added in high-speed mixer, be warmed up to 100-120 DEG C, water removal
3-5 minutes, add the phosphate of 1.5-5%, activation process calcium carbonate 5-10 minutes；
2) polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are mixed, is put on twin-screw extruder
Plasticate 5-10 minutes, the temperature of rubber mixing machine is 170-180 DEG C；
3) pulling-on piece, then be molding 4-6 minutes on 180-200 DEG C of vulcanizing press in temperature；
4) PVC composites are made on universal sampling machine.
Further, the operating pressure of the vulcanizing press is 8-10Mpa.
Further, the mass parts of the polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are PVC trees
Fat 65-75 parts, auxiliary agent 1-3 parts, activated Calcium carbonate 25-35 parts.
Further, 70 parts of the polyvinyl chloride resin, 2 parts of auxiliary agent, 30 parts of activated Calcium carbonate.
Further, the auxiliary agent is stearic acid or Aluminate.
Beneficial effects of the present invention：A kind of system of the filling-modified PVC composites of activated Calcium carbonate
Preparation Method, calcium carbonate mixes after phosphate is coated with polyvinyl chloride resin, auxiliary agent, by modeling
Refining, pulling-on piece, molding are obtained modified PVC composite；With simple production process, it is produced into
The characteristics of this is low, can effectively improve the toughness of PVC.
Specific embodiment
Embodiment 1
A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, including following step
Suddenly：
1) choose calcium carbonate to be added in high-speed mixer, be warmed up to 100 DEG C, remove water 5 points
Clock, adds 1.5% phosphate, activation process calcium carbonate 5 minutes；
2) polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are mixed, is put on twin-screw extruder
Plasticate 10 minutes, the temperature of rubber mixing machine is 170 DEG C；Polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate
Mass parts be 65 parts of polyvinyl chloride resin, 3 parts of auxiliary agent, 35 parts of activated Calcium carbonate；Auxiliary agent is used
Stearic acid；
3) pulling-on piece, then be molded 6 minutes on the vulcanizing press that temperature is 180 DEG C；Flat board
The operating pressure of vulcanizer is 8Mpa；
4) PVC composites are made on universal sampling machine.
Embodiment 2
A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, including following step
Suddenly：
1) choose calcium carbonate to be added in high-speed mixer, be warmed up to 120 DEG C, remove water 3 points
Clock, adds 5% phosphate, activation process calcium carbonate 10 minutes；
2) polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are mixed, is put on twin-screw extruder
Plasticate 5 minutes, the temperature of rubber mixing machine is 180 DEG C；Polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate
Mass parts be 75 parts of polyvinyl chloride resin, 1 part of auxiliary agent, 25 parts of activated Calcium carbonate；Auxiliary agent is used
Aluminate；
3) pulling-on piece, then be molded 4 minutes on the vulcanizing press that temperature is 200 DEG C；Flat board
The operating pressure of vulcanizer is 10Mpa；
4) PVC composites are made on universal sampling machine.
Embodiment 3
A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, including following step
Suddenly：
1) choose calcium carbonate to be added in high-speed mixer, be warmed up to 110 DEG C, remove water 4 points
Clock, adds 3% phosphate, activation process calcium carbonate 8 minutes；
2) polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are mixed, is put on twin-screw extruder
Plasticate 8 minutes, the temperature of rubber mixing machine is 175 DEG C；Polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate
Mass parts be 70 parts of polyvinyl chloride resin, 2 parts of auxiliary agent, 30 parts of activated Calcium carbonate；Auxiliary agent is used
The mixture of stearic acid and Aluminate；
3) pulling-on piece, then be molded 5 minutes on the vulcanizing press that temperature is 190 DEG C；Flat board
The operating pressure of vulcanizer is 9Mpa；
4) PVC composites are made on universal sampling machine.
A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, calcium carbonate passes through
After phosphate cladding, mix with polyvinyl chloride resin, auxiliary agent, by plasticating, pulling-on piece, molding it is prepared
Modified PVC composite；The characteristics of with simple production process, low production cost, Ke Yiyou
Improve the toughness of PVC in effect ground.
Embodiment described above is only that the preferred embodiment of the present invention is described, and
It is non-that the spirit and scope of the present invention are defined.The premise of design concept of the present invention is not being departed from
Under, all variations and modifications that this area ordinary person makes to technical scheme,
Protection scope of the present invention should be dropped into.
Claims (5)
1. a kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate, its feature
It is：Comprise the following steps：
1) choose calcium carbonate to be added in high-speed mixer, be warmed up to 100-120 DEG C, water removal
3-5 minutes, add the phosphate of 1.5-5%, activation process calcium carbonate 5-10 minutes；
2) polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate are mixed, is put on twin-screw extruder
Plasticate 5-10 minutes, the temperature of rubber mixing machine is 170-180 DEG C；
3) pulling-on piece, then be molding 4-6 minutes on 180-200 DEG C of vulcanizing press in temperature；
4) PVC composites are made on universal sampling machine.
2. according to the filling-modified PVC composite woods of a kind of activated Calcium carbonate described in claim 1
The preparation method of material, it is characterised in that：The operating pressure of the vulcanizing press is 8-10Mpa.
3. according to the filling-modified PVC composite woods of a kind of activated Calcium carbonate described in claim 1
The preparation method of material, it is characterised in that：The matter of the polyvinyl chloride resin, auxiliary agent and activated Calcium carbonate
Amount part is polyvinyl chloride resin 65-75 parts, auxiliary agent 1-3 parts, activated Calcium carbonate 25-35 parts.
4. according to the filling-modified PVC composite woods of a kind of activated Calcium carbonate described in claim 3
The preparation method of material, it is characterised in that：70 parts of the polyvinyl chloride resin, 2 parts of auxiliary agent, activity
30 parts of calcium carbonate.
5. according to the filling-modified PVC composite woods of a kind of activated Calcium carbonate described in claim 1
The preparation method of material, it is characterised in that：The auxiliary agent is stearic acid or Aluminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971622.3A CN106893223A (en) | 2015-12-18 | 2015-12-18 | A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971622.3A CN106893223A (en) | 2015-12-18 | 2015-12-18 | A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate |
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| Publication Number | Publication Date |
|---|---|
| CN106893223A true CN106893223A (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510971622.3A Pending CN106893223A (en) | 2015-12-18 | 2015-12-18 | A kind of preparation method of the filling-modified PVC composites of activated Calcium carbonate |
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| CN (1) | CN106893223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321851A (en) * | 2021-06-02 | 2021-08-31 | 厦门黑之光新材料有限公司 | Calcium carbonate modifier and preparation method thereof |
-
2015
- 2015-12-18 CN CN201510971622.3A patent/CN106893223A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321851A (en) * | 2021-06-02 | 2021-08-31 | 厦门黑之光新材料有限公司 | Calcium carbonate modifier and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |