CN111607158A - Environment-friendly paper master batch, preparation method thereof and environment-friendly paper - Google Patents
Environment-friendly paper master batch, preparation method thereof and environment-friendly paper Download PDFInfo
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- CN111607158A CN111607158A CN202010486002.1A CN202010486002A CN111607158A CN 111607158 A CN111607158 A CN 111607158A CN 202010486002 A CN202010486002 A CN 202010486002A CN 111607158 A CN111607158 A CN 111607158A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- 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
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- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention is suitable for the technical field of papermaking, and provides an environment-friendly paper master batch, a preparation method thereof and environment-friendly paper, wherein the environment-friendly paper master batch comprises the following components in parts by weight: 20-50 parts of activated calcium carbonate, 40-70 parts of polypropylene resin, 5-10 parts of fluorosilicone resin, 0.2-0.8 part of antioxidant, 0.01-0.05 part of brightener and 0.01-0.05 part of dispersant. The environment-friendly paper master batch provided by the invention can be used for producing environment-friendly paper by a tape casting process, and can replace the traditional wood pulp to produce paper so as to save the extraction of the wood pulp, thereby conforming to the development road of an environment-friendly and green concept. In addition, the environment-friendly paper prepared from the environment-friendly paper master batch has good hydrophobic and oleophobic properties.
Description
Technical Field
The invention belongs to the technical field of papermaking, and particularly relates to an environment-friendly paper master batch, a preparation method thereof and environment-friendly paper.
Background
The traditional paper generally adopts wood pulp as a raw material, but because the wood pulp needs to consume a large amount of wood, the traditional paper has the problems of environmental pollution, high cost and the like.
Although the prior art produces environment-friendly paper by using polyethylene, polypropylene fiber and the like as raw materials to replace the traditional paper using wood pulp as raw materials, the prior environment-friendly paper using polyethylene, polypropylene fiber and the like as raw materials has the problems of poor hydrophobicity and oleophobicity and the like, and has a narrow application range.
Disclosure of Invention
The embodiment of the invention aims to provide an environment-friendly paper master batch, and aims to solve the problems in the background technology.
The embodiment of the invention is realized in such a way that the environment-friendly paper master batch comprises the following components in parts by weight: 20-50 parts of activated calcium carbonate, 40-70 parts of polypropylene resin, 5-10 parts of fluorosilicone resin, 0.2-0.8 part of antioxidant, 0.01-0.05 part of brightener and 0.01-0.05 part of dispersant.
As a preferable scheme of the embodiment of the invention, the environment-friendly paper master batch comprises the following components in parts by weight: 30-40 parts of activated calcium carbonate, 50-60 parts of polypropylene resin, 7-9 parts of fluorosilicone resin, 0.4-0.6 part of antioxidant, 0.02-0.04 part of brightener and 0.02-0.04 part of dispersant.
As another preferable scheme of the embodiment of the invention, the activated calcium carbonate is activated heavy calcium carbonate, and the granularity of the activated calcium carbonate is 800-1500 meshes.
As another preferable scheme of the embodiment of the invention, the polypropylene resin is homo-polypropylene and/or random co-polypropylene, and the melt index of the polypropylene resin is 2-8 g/10 min.
In another preferred embodiment of the present invention, the fluorosilicone resin is a synthetic resin obtained by kneading a fluororesin and a silicone resin.
In another preferred embodiment of the present invention, the antioxidant is one or more of a phenolic antioxidant, a phosphite antioxidant, and a sulfur antioxidant.
As another preferable mode of the embodiment of the present invention, the whitening agent is one of a stilbene-type whitening agent, a coumarin-type whitening agent, and a phthalimide-type whitening agent; the dispersing agent is polyethylene wax and/or stearic acid.
Another object of the embodiments of the present invention is to provide a method for preparing the above environment-friendly paper masterbatch, which includes the following steps:
weighing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent according to the weight parts of the components for later use;
mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent to obtain a mixture;
and (3) melting and extruding the mixture at the temperature of 200-230 ℃, cooling and dicing to obtain the environment-friendly paper master batch.
Another object of the embodiments of the present invention is to provide an environment-friendly paper master batch prepared by the above preparation method.
Another objective of the embodiments of the present invention is to provide an environment-friendly paper, which partially or completely contains the above-mentioned environment-friendly paper masterbatch. Wherein the contact angle between the surface of the environment-friendly paper and water is 110-120 degrees; the contact angle between the surface of the environment-friendly paper and oil is 120-130 DEG
The environment-friendly paper master batch provided by the embodiment of the invention can be used for producing environment-friendly paper by a tape casting process, and can replace the traditional wood pulp to produce paper so as to save the extraction of the wood pulp, thereby conforming to the development road of an environment-friendly and green concept. In addition, the environment-friendly paper prepared from the environment-friendly paper master batch has good hydrophobic and oleophobic properties.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment provides an environment-friendly paper master batch, and the preparation method comprises the following steps:
(1) weighing 200g of activated calcium carbonate, 700g of polypropylene resin, 50g of fluorosilicone resin, 2g of antioxidant, 0.1g of whitening agent and 0.1g of dispersing agent for later use according to the parts by weight of the components; wherein the activated calcium carbonate is activated heavy calcium carbonate with the granularity of 800 meshes; the polypropylene resin is homopolymerized polypropylene, and the melt index of the polypropylene resin is 2g/10 min; the fluorine-silicon resin is a synthetic resin formed by mixing fluorine resin and organic silicon resin according to equal mass ratio; the antioxidant is a phenolic antioxidant; the whitening agent is a stilbene whitening agent; the dispersant is polyethylene wax.
(2) Mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent, and then cooling to normal temperature to obtain a mixture.
(3) And feeding the mixture into a double-screw extruder for melt extrusion, and then cooling, granulating and drying to obtain the environment-friendly paper master batch. Wherein the extrusion temperature of the double-screw extruder is controlled at 200 ℃, the current is controlled at 200mA, the rotating speed is controlled at 350rpm, the head pressure is controlled at 6Mpa, and the temperature of the melt is controlled at 210 ℃.
Example 2
The embodiment provides an environment-friendly paper master batch, and the preparation method comprises the following steps:
(1) weighing 500g of activated calcium carbonate, 400g of polypropylene resin, 100g of fluorosilicone resin, 8g of antioxidant, 0.5g of brightener and 0.5g of dispersant for later use according to the parts by weight of the components; wherein the activated calcium carbonate is activated heavy calcium carbonate with the granularity of 1500 meshes; the polypropylene resin is random copolymerization polypropylene, and the melt index of the polypropylene resin is 8g/10 min; the fluorine-silicon resin is synthetic resin formed by mixing fluororesin and organic silicon resin according to equal mass ratio; the antioxidant is phosphite ester antioxidant; the whitening agent is coumarin type whitening agent; the dispersing agent is stearic acid.
(2) Mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent, and then cooling to normal temperature to obtain a mixture.
(3) And feeding the mixture into a double-screw extruder for melt extrusion, and then cooling, granulating and drying to obtain the environment-friendly paper master batch. Wherein the extrusion temperature of the double-screw extruder is controlled at 230 ℃, the current is controlled at 240mA, the rotating speed is controlled at 400rpm, the head pressure is controlled at 15Mpa, and the temperature of the melt is controlled at 240 ℃.
Example 3
The embodiment provides an environment-friendly paper master batch, and the preparation method comprises the following steps:
(1) weighing 300g of activated calcium carbonate, 600g of polypropylene resin, 70g of fluorosilicone resin, 4g of antioxidant, 0.2g of brightener and 0.2g of dispersant for later use according to the parts by weight of the components; wherein the activated calcium carbonate is activated heavy calcium carbonate with the granularity of 1200 meshes; the polypropylene resin is random copolymerization polypropylene, and the melt index of the polypropylene resin is 6g/10 min; the fluorine-silicon resin is synthetic resin formed by mixing fluororesin and organic silicon resin according to equal mass ratio; the antioxidant is a compound mixture of phosphite antioxidant and sulfur antioxidant; the whitening agent is a phthalimide type whitening agent; the dispersant is a mixture of polyethylene wax and stearic acid.
(2) Mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent, and then cooling to normal temperature to obtain a mixture.
(3) And feeding the mixture into a double-screw extruder for melt extrusion, and then cooling, granulating and drying to obtain the environment-friendly paper master batch. Wherein the extrusion temperature of the double-screw extruder is controlled at 220 ℃, the current is controlled at 220mA, the rotating speed is controlled at 380rpm, the head pressure is controlled at 10Mpa, and the temperature of the melt is controlled at 230 ℃.
Example 4
The embodiment provides an environment-friendly paper master batch, and the preparation method comprises the following steps:
(1) weighing 400g of activated calcium carbonate, 500g of polypropylene resin, 90g of fluorosilicone resin, 6g of antioxidant, 0.4g of whitening agent and 0.4g of dispersing agent according to the parts by weight of the components for later use; wherein the activated calcium carbonate is activated heavy calcium carbonate with the granularity of 1200 meshes; the polypropylene resin is a mixture of homopolymerized polypropylene and random copolymerization polypropylene, and the average melt index of the polypropylene resin is 6g/10 min; the fluorine-silicon resin is synthetic resin formed by mixing fluororesin and organic silicon resin according to equal mass ratio; the antioxidant is a compound mixture of a phenol antioxidant, a phosphite antioxidant and a sulfur antioxidant; the whitening agent is a phthalimide type whitening agent; the dispersing agent is polyethylene wax.
(2) Mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent, and then cooling to normal temperature to obtain a mixture.
(3) And feeding the mixture into a double-screw extruder for melt extrusion, and then cooling, granulating and drying to obtain the environment-friendly paper master batch. Wherein the extrusion temperature of the double-screw extruder is controlled at 220 ℃, the current is controlled at 220mA, the rotating speed is controlled at 380rpm, the head pressure is controlled at 10Mpa, and the temperature of the melt is controlled at 230 ℃.
Example 5
The embodiment provides an environment-friendly paper master batch, and the preparation method comprises the following steps:
(1) weighing 350g of activated calcium carbonate, 550g of polypropylene resin, 80g of fluorosilicone resin, 5g of antioxidant, 0.3g of brightener and 0.3g of dispersant for later use according to the parts by weight of the components; wherein the activated calcium carbonate is activated heavy calcium carbonate with the granularity of 1200 meshes; the polypropylene resin is random copolymerization polypropylene, and the melt index of the polypropylene resin is 6g/10 min; the fluorine-silicon resin is synthetic resin formed by mixing fluororesin and organic silicon resin according to equal mass ratio; the antioxidant is a phenolic antioxidant; the whitening agent is a stilbene whitening agent; the dispersant is stearic acid.
(2) Mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent, and then cooling to normal temperature to obtain a mixture.
(3) And feeding the mixture into a double-screw extruder for melt extrusion, and then cooling, granulating and drying to obtain the environment-friendly paper master batch. Wherein the extrusion temperature of the double-screw extruder is controlled at 220 ℃, the current is controlled at 220mA, the rotating speed is controlled at 380rpm, the head pressure is controlled at 10Mpa, and the temperature of the melt is controlled at 230 ℃.
Example 6
The embodiment provides the environment-friendly paper, and the environment-friendly paper is formed by processing the environment-friendly paper master batch provided by the embodiment 5 through the existing casting process.
Comparative example 1
This comparative example provides a conventional paper sheet starting from wood pulp.
Comparative example 2
This comparative example provides an existing commercially available environmentally friendly paper made from polypropylene fibers.
The environmental protection paper or the conventional paper provided in example 6, comparative example 1 and comparative example 2 was subjected to a hydrophobic and oleophobic property test, and specifically, the hydrophobic and oleophobic property of each paper was represented by testing the contact angle of water and oil on the surface of the environmental protection paper or the conventional paper provided in example 6, comparative example 1 and comparative example 2, respectively, by a contact angle tester. The test results of the above tests are shown in table 1 below.
TABLE 1
| Paper type | Contact angle of water on surface (°) | Contact angle of oil on surface (°) |
| Comparative example 1 | 52.4 | 75.2 |
| Comparative example 2 | 74.9 | 86 |
| Example 6 | 114.1 | 128.7 |
As can be seen from table 1 above, compared with the conventional paper and the existing commercially available environment-friendly paper, the environment-friendly paper prepared by using the environment-friendly paper masterbatch provided in the embodiment of the present invention has better hydrophobic and oleophobic properties.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The environment-friendly paper master batch is characterized by comprising the following components in parts by weight: 20-50 parts of activated calcium carbonate, 40-70 parts of polypropylene resin, 5-10 parts of fluorosilicone resin, 0.2-0.8 part of antioxidant, 0.01-0.05 part of brightener and 0.01-0.05 part of dispersant.
2. The environment-friendly paper master batch as claimed in claim 1, wherein the environment-friendly paper master batch comprises the following components in parts by weight: 30-40 parts of activated calcium carbonate, 50-60 parts of polypropylene resin, 7-9 parts of fluorosilicone resin, 0.4-0.6 part of antioxidant, 0.02-0.04 part of brightener and 0.02-0.04 part of dispersant.
3. The environment-friendly paper master batch according to claim 1 or 2, wherein the activated calcium carbonate is activated ground calcium carbonate, and the particle size of the activated calcium carbonate is 800-1500 meshes; the polypropylene resin is homo-polypropylene and/or random copolymerization polypropylene, and the melt index of the polypropylene resin is 2-8 g/10 min.
4. The environment-friendly paper master batch according to claim 1 or 2, wherein the fluorosilicone resin is a synthetic resin obtained by mixing a fluororesin and a silicone resin.
5. The environment-friendly paper master batch as claimed in claim 1 or 2, wherein the antioxidant is one or more of a phenolic antioxidant, a phosphite antioxidant and a sulfur antioxidant.
6. The environment-friendly paper masterbatch according to claim 1 or 2, wherein the whitening agent is one of a stilbene-type whitening agent, a coumarin-type whitening agent and a phthalimide-type whitening agent; the dispersing agent is polyethylene wax and/or stearic acid.
7. The preparation method of the environment-friendly paper master batch as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
weighing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent according to the weight parts of the components for later use;
mixing activated calcium carbonate, polypropylene resin, fluorosilicone resin, an antioxidant, a whitening agent and a dispersing agent to obtain a mixture;
and (3) melting and extruding the mixture at the temperature of 200-230 ℃, cooling and dicing to obtain the environment-friendly paper master batch.
8. An environment-friendly paper master batch prepared by the preparation method of claim 7.
9. An environment-friendly paper, characterized in that the environment-friendly paper comprises the environment-friendly paper master batch according to any one of claims 1 to 6 and claim 8 partially or completely.
10. The environment-friendly paper as claimed in claim 9, wherein the contact angle of the surface of the environment-friendly paper with water is 110-120 °; the contact angle between the surface of the environment-friendly paper and oil is 120-130 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010486002.1A CN111607158A (en) | 2020-06-01 | 2020-06-01 | Environment-friendly paper master batch, preparation method thereof and environment-friendly paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010486002.1A CN111607158A (en) | 2020-06-01 | 2020-06-01 | Environment-friendly paper master batch, preparation method thereof and environment-friendly paper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112063052A (en) * | 2020-09-18 | 2020-12-11 | 无锡宏义高分子材料科技有限公司 | Environment-friendly paper product and preparation method thereof |
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Application publication date: 20200901 |