CN104494254A - Synthetic paper for printing textbooks - Google Patents
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- CN104494254A CN104494254A CN201410809018.6A CN201410809018A CN104494254A CN 104494254 A CN104494254 A CN 104494254A CN 201410809018 A CN201410809018 A CN 201410809018A CN 104494254 A CN104494254 A CN 104494254A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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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
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D103/00—Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09D103/02—Starch; Degradation products thereof, e.g. dextrin
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
- B32B2307/736—Shrinkable
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The invention relates to synthetic paper suitable for printing textbooks. The synthetic paper comprises synthetic paper base paper and a surface coating, wherein the synthetic paper base paper comprises the following components by in parts by weight: 20 to 30 parts of high density polyethylene, 70 to 80 parts of activated calcium carbonate, 1 to 2 parts of an antistatic agent, 0.05 to 0.1 part of an antioxidant, 1 to 2 parts of a first dispersant, and 1 to 3 parts of ethylene acrylic acid copolymer wax, wherein the activated calcium carbonate consists of activated heavy calcium carbonate and activated light calcium carbonate; the surface coating comprises the following components in parts by weight: 70 to 80 parts of kaolin, 20 to 30 parts of light calcium carbonate, 13 to 17 parts of a hydroxyethyl starch containing adhesive, 0.5 to 1 part of carboxymethyl cellulose and 0.1 to 0.3 part of a second dispersant. The synthetic paper suitable for printing the textbooks has the advantages of being capable of improving the mechanical properties of a paper material, enhancing the ductility of the paper material, increasing the ink absorption amount and improving the writing quality, and the thickness of the synthetic paper is reduced.
Description
Technical field
The present invention relates to a kind of synthetic paper, particularly relate to a kind of synthetic paper being applicable to textbook printing.
Background technology
Current China student is numerous, and textbook paper for elementary and secondary demand is large and renewal speed is fast.According to statistics, the textbook that the annual students in middle and primary schools of China use need be consumed paper and reach 550,000 tons more than.And the paper of China is produced primarily of the string such as straw pulp, wood pulp, its complex process, needs to consume a large amount of water, timber and chemicals.On the one hand, China's Forest Resources reduces day by day, and what make paper making raw material is supplied in as a difficult problem; On the other hand, a large amount of waste water and gas that traditional paper-making industry is discharged in paper-making process, one of main source becoming environmental pollution.Along with the continuous enhancing of mankind's environmental consciousness, the contradiction between the rising of paper requirements amount and environmental protection is taken seriously day by day.
How to solve pollution problem and the energy conservation problem of traditional papermaking, become the great difficulty that nowadays papermaking circle faces.The appearance of synthetic paper, can effectively alleviate this problem.It is a class with the macromolecular materials such as polyolefin and inorganic filler for primary raw material, by extruding the environment-friendly products of the processes such as stretching, there is the features such as light specific gravity, intensity are large, tear-proof, Anti-moth-eating, and the production process of synthetic paper is pollution-free, recyclable, recycle, it is the favorable substitutes of traditional fibre paper, both can save a large amount of forest reserves, reduce environmental pollution, its long-lived feature also provides support for nowadays advocated textbook recycles theory.
Because synthetic paper has certain plastic properties, its printability comparatively traditional paper has a certain distance, paper sheet thickness thicker (thickness is generally at more than 0.1mm), and absorbency is poor and writing quality is not good, makes it in the application of textbook, have certain difficulty.
Mostly adopt the calcium carbonate of same nature as filler in the existing formula of current synthetic paper, if only adopt precipitated calcium carbonate, although its mechanical property is better, easily produce agglomeration, and blotting amount is lower; If only adopt powdered whiting, though can improve its blotting amount, its mechanical property is poor, reduces the intensity of paper.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of synthetic paper being applicable to textbook printing, this synthetic paper being applicable to textbook printing can improve the mechanical property of paper material, strengthen the ductility of synthetic paper papermaking material, make synthetic paper can process thinner, increase blotting amount and improve writing quality.The technical scheme adopted is as follows:
Be applicable to a synthetic paper for textbook printing, comprise synthetic paper body paper and face coat, it is characterized in that:
The each constituent of described synthetic paper body paper is respectively by weight: high density polyethylene (HDPE) 20 ~ 30 parts, activated Calcium carbonate 70 ~ 80 parts, 1 ~ 2 part, antistatic additive, antioxidant 0.05 ~ 0.1 part, the first dispersant 1 ~ 2 part, 1 ~ 3 part, ethylene acrylic acid co polymer wax; Wherein, activated Calcium carbonate is made up of active powdered whiting, calcene, and the ratio of active powdered whiting and calcene is 3:1 ~ 5:1;
The each constituent of described face coat is respectively by weight: kaolin 70 ~ 80 parts, precipitated calcium carbonate 20 ~ 30 parts, the adhesive 13 ~ 17 parts containing hydroxyethyl starch, carboxymethyl cellulose 0.5 ~ 1 part, the second dispersant 0.1 ~ 0.3 part.
Above-mentioned antioxidant generally adopts antioxidant 1010.
In synthetic paper body paper, the particle diameter due to precipitated calcium carbonate is relatively little and settling volume is comparatively large, time used in combination with powdered whiting, precipitated calcium carbonate can fill up the interparticle space of powdered whiting, improve the mechanical property of paper material, increase the loading of filler, thus improve blotting amount; Adopt ethylene acrylic acid co polymer wax as lubricant, the decentralization of calcium carbonate can be carried, its fusing point higher density polyethylene is low, can prior to resin melting, play effect that is wetting, coated caco3, make calcium carbonate and interlaminar resin more easily produce slippage, strengthen the ductility of papermaking material, make synthetic paper can process thinner, control between 55 ~ 70 μm; In face coat, precipitated calcium carbonate and kaolin with the use of, can increase Paper White Degree, improve coating and printability, its effect comparatively powdered whiting is good; In adhesive, the use of hydroxyethyl starch can make coating produce larger voidage, further increase blotting amount and raising writing quality, ink absorption rises to 23 ~ 34%, the second dispersant, can improve the decentralization of filler and coating mud can be made to keep stability.
As preferred version of the present invention, described antistatic additive is one or more in the cruel amine of ethyoxyl bay, polyether ester amides, single octadecanoid acid glycerine ester, PEO.
As preferred version of the present invention, described first dispersant is calcium stearate.Calcium stearate can improve calcium carbonate decentralization in resin, prevents from being bonded to block between calcium carbonate granule, can improve poly machinability simultaneously.
As preferred version of the present invention, described adhesive is the mixture of carboxylic styrene butadiene latex and hydroxyethyl starch, and the ratio of carboxylic styrene butadiene latex and hydroxyethyl starch is 2:1 ~ 4:1.Carboxymethyl cellulose can improve the rheological characteristic of coating, reduces binder migration, improves coating spreadability, improves strength of coating.
As preferred version of the present invention, described second dispersant is Sodium Polyacrylate.
The preparation flow of face coat is: kaolin and calcium carbonate are added adhesive, the second dispersant and other auxiliary agents after high speed dispersor disperses, mix in comparatively stirring at low speed and regulate pH, by 100 object fine mesh filter removings insoluble solid impurities wherein after taking-up coating, for coating, coating thickness is 4 μm.Above-mentioned pH is adjusted to 8 ~ 8.5, and within the scope of this pH, the stability of filler is better, and made face coat has good mobility and stability, and face coat meta-alkalescence is also conducive to the drying of ink.
The preparation flow of synthetic paper body paper is: high density polyethylene (HDPE), activated Calcium carbonate, antistatic additive, antioxidant part, the first dispersant, ethylene acrylic acid co polymer wax are claimed to add high-speed mixer mixing continuously respectively by automatic gauge, mixing in rear feeding continuous internal mixer, temperature controls at 140 ~ 160 DEG C, pellet, through screw extruder extruding pelletization, is blown out synthetic paper body paper by the material after mixing at 130 ~ 140 DEG C; By synthetic paper body paper corona, the rolling of coatings post-drying.
Compared with prior art, tool has the following advantages in the present invention:
Precipitated calcium carbonate and powdered whiting used in combination, improve the mechanical property of paper material, and increase blotting amount; Adopt ethylene acrylic acid co polymer wax as lubricant, strengthen the ductility of synthetic paper papermaking material, make synthetic paper can process thinner; The use of hydroxyethyl starch can make coating produce larger voidage, increases blotting amount further and improves writing quality.
Detailed description of the invention
Below the preferred embodiment of the present invention is described further.
Embodiment one
This synthetic paper being applicable to textbook printing, comprises synthetic paper body paper and face coat;
The each constituent of synthetic paper body paper is respectively by weight: high density polyethylene (HDPE) 30 parts, active powdered whiting 58.3 parts, calcene 11.7 parts, 2 parts, antistatic additive, antioxidant (1010) 0.1 parts, calcium stearate 1 part, 2.3 parts, ethylene acrylic acid co polymer wax; Wherein, the ratio of active powdered whiting and calcene is about 5:1;
The each constituent of face coat is respectively by weight: kaolin 70 parts, precipitated calcium carbonate 30 parts, carboxylic styrene butadiene latex 12 parts, hydroxyethyl starch 5 parts, carboxymethyl cellulose 1 part, Sodium Polyacrylate 0.3 part.
The preparation method of face coat coating is: kaolin 70 parts and 30 parts, calcium carbonate are added carboxylic styrene butadiene latex 12 parts, hydroxyethyl starch 5 parts, carboxymethyl cellulose 1 part, Sodium Polyacrylate 0.3 part after high speed dispersor disperses, in comparatively stirring at low speed mixing, regulate PH to be 8.5, take out coating 100 object fine mesh filter removings insoluble solid impurities wherein.
The preparation method of synthetic paper body paper is: high density polyethylene (HDPE) 30 parts, active powdered whiting 58.3 parts, calcene 11.7 parts, 2 parts, antistatic additive, antioxidant (1010) 0.1 parts, calcium stearate 1 part, 2.3 parts, ethylene acrylic acid co polymer wax are claimed to add high-speed mixer mixing continuously respectively by automatic gauge, send in continuous internal mixer mixing, temperature controls at 140 DEG C, pellet, through screw extruder extruding pelletization, is blown out synthetic paper body paper by the material after mixing at 130 DEG C; By synthetic paper body paper corona, face coat coating (coating thickness is 4 μm), dry rear rolling.Gained synthetic paper thickness is 62 μm, and ink absorption is 34%.
Embodiment two
This synthetic paper being applicable to textbook printing, comprises synthetic paper body paper and face coat;
The each constituent of synthetic paper body paper is respectively by weight: high density polyethylene (HDPE) 20 parts, active powdered whiting 60 parts, calcene 20 parts, 1 part, antistatic additive, antioxidant (1010) 0.05 parts, calcium stearate 2 parts, 1.8 parts, ethylene acrylic acid co polymer wax; Wherein, the ratio of active powdered whiting and calcene is about 3:1;
The each constituent of face coat is respectively by weight: kaolin 80 parts, precipitated calcium carbonate 20 parts, carboxylic styrene butadiene latex 10 parts, hydroxyethyl starch 3 parts, carboxymethyl cellulose 0.5 part, Sodium Polyacrylate 0.1 part.
The preparation method of face coat coating is: kaolin 80 parts and precipitated calcium carbonate 20 parts are added carboxylic styrene butadiene latex 10 parts, hydroxyethyl starch 3 parts, carboxymethyl cellulose 0.5 part, Sodium Polyacrylate 0.1 part after high speed dispersor disperses, in comparatively stirring at low speed mixing, regulate PH to be 8.5, take out coating 100 object fine mesh filter removings insoluble solid impurities wherein.
The preparation method of synthetic paper body paper is: high density polyethylene (HDPE) 20 parts, active powdered whiting 60 parts, calcene 20 parts, 1 part, antistatic additive, antioxidant (1010) 0.05 parts, calcium stearate 2 parts, 1.8 parts, ethylene acrylic acid co polymer wax are claimed to add high-speed mixer mixing continuously respectively by automatic gauge, send in continuous internal mixer mixing, temperature controls at 160 DEG C, pellet, through screw extruder extruding pelletization, is blown out synthetic paper body paper by the material after mixing at 140 DEG C; By synthetic paper body paper corona, coatings (coating thickness is 4 μm), dry rear rolling.Gained synthetic paper thickness is 70 μm, and ink absorption is 23%.
Embodiment three
This synthetic paper being applicable to textbook printing, comprises synthetic paper body paper and face coat;
The each constituent of synthesis body paper is respectively by weight: high density polyethylene (HDPE) 28 parts, active powdered whiting 58.9 parts, calcene 13.1 parts, 1.8 parts, antistatic additive, antioxidant (1010) 0.08 parts, calcium stearate 1.3 parts, 3 parts, ethylene acrylic acid co polymer wax; Wherein, the ratio of active powdered whiting and calcene is about 4.5:1;
The each constituent of face coat is respectively by weight: kaolin 73 parts, precipitated calcium carbonate 28 parts, carboxylic styrene butadiene latex 11.5 parts, hydroxyethyl starch 4.5 parts, carboxymethyl cellulose 0.8 part, Sodium Polyacrylate 0.25 part.
The preparation method of face coat coating is: kaolin 73 parts and 28 parts, calcium carbonate are added carboxylic styrene butadiene latex 11.5 parts, hydroxyethyl starch 4.5 parts, carboxymethyl cellulose 0.8 part, Sodium Polyacrylate 0.25 part after high speed dispersor disperses, in comparatively stirring at low speed mixing, regulate PH to be 8.5, take out coating 100 object fine mesh filter removings insoluble solid impurities wherein.
The preparation method of synthetic paper body paper is: high density polyethylene (HDPE) 28 parts, active powdered whiting 58.9 parts, calcene 13.1 parts, 1.8 parts, antistatic additive, antioxidant (1010) 0.08 parts, calcium stearate 1.3 parts, 3 parts, ethylene acrylic acid co polymer wax are claimed to add high-speed mixer mixing continuously respectively by automatic gauge, send in continuous internal mixer mixing, temperature controls at 145 DEG C, pellet, through screw extruder extruding pelletization, is blown out synthetic paper body paper by the material after mixing at 133 DEG C; By synthetic paper body paper corona, coatings (coating thickness is 4 μm), dry rear rolling.Gained synthetic paper thickness is 55 μm, and ink absorption is 28%.
Embodiment four
This synthetic paper being applicable to textbook printing, comprises synthetic paper body paper and face coat;
The each constituent of synthesis body paper is respectively by weight: high density polyethylene (HDPE) 25 parts, active powdered whiting 60 parts, calcene 15 parts, 1.5 parts, antistatic additive, antioxidant (1010) 0.06 parts, calcium stearate 1.5 parts, 2 parts, ethylene acrylic acid co polymer wax; Wherein, the ratio of active powdered whiting and calcene is about 4:1;
The each constituent of face coat is respectively by weight: kaolin 75 parts, precipitated calcium carbonate 25 parts, carboxylic styrene butadiene latex 11 parts, hydroxyethyl starch 4 parts, carboxymethyl cellulose 0.6 part, Sodium Polyacrylate 0.2 part.
The preparation method of face coat coating is: kaolin 75 parts and 25 parts, calcium carbonate are added carboxylic styrene butadiene latex 11 parts, hydroxyethyl starch 4 parts, carboxymethyl cellulose 0.6 part, Sodium Polyacrylate 0.2 part after high speed dispersor disperses, in comparatively stirring at low speed mixing, regulate PH to be 8.5, take out coating 100 object fine mesh filter removings insoluble solid impurities wherein.
The preparation method of synthetic paper body paper is: high density polyethylene (HDPE) 25 parts, active powdered whiting 60 parts, calcene 15 parts, 1.5 parts, antistatic additive, antioxidant (1010) 0.06 parts, calcium stearate 1.5 parts, 2 parts, ethylene acrylic acid co polymer wax are claimed to add high-speed mixer mixing continuously respectively by automatic gauge, send in continuous internal mixer mixing, temperature controls at 150 DEG C, pellet, through screw extruder extruding pelletization, is blown out synthetic paper body paper by the material after mixing at 135 DEG C; By synthetic paper body paper corona, coatings (coating thickness is 4 μm), dry rear rolling.Gained synthetic paper thickness is 67 μm, and ink absorption is 25%.
Embodiment five
This synthetic paper being applicable to textbook printing, comprises synthetic paper body paper and face coat;
The each constituent of synthesis body paper is respectively by weight: high density polyethylene (HDPE) 23 parts, active powdered whiting 59.9 parts, calcene 17.1 parts, 1.3 parts, antistatic additive, antioxidant (1010) 0.05 parts, calcium stearate 1.8 parts, 2.5 parts, ethylene acrylic acid co polymer wax; Wherein, the ratio of active powdered whiting and calcene is about 3.5:1;
The each constituent of face coat is respectively by weight: kaolin 78 parts, precipitated calcium carbonate 23 parts, carboxylic styrene butadiene latex 10.5 parts, hydroxyethyl starch 3.5 parts, carboxymethyl cellulose 0.6 part, Sodium Polyacrylate 0.2 part.
The preparation method of face coat coating is: kaolin 78 parts and precipitated calcium carbonate 23 parts are added carboxylic styrene butadiene latex 10.5 parts, hydroxyethyl starch 3.5 parts, carboxymethyl cellulose 0.6 part, Sodium Polyacrylate 0.2 part after high speed dispersor disperses, in comparatively stirring at low speed mixing, regulate PH to be 8.5, take out coating 100 object fine mesh filter removings insoluble solid impurities wherein.
The preparation method of synthetic paper body paper is: high density polyethylene (HDPE) 23 parts, active powdered whiting 59.9 parts, calcene 17.1 parts, 1.3 parts, antistatic additive, antioxidant (1010) 0.05 parts, calcium stearate 1.8 parts, 2.5 parts, ethylene acrylic acid co polymer wax are claimed to add high-speed mixer mixing continuously respectively by automatic gauge, send in continuous internal mixer mixing, temperature controls at 155 DEG C, pellet, through screw extruder extruding pelletization, is blown out synthetic paper body paper by the material after mixing at 138 DEG C; By synthetic paper body paper corona, coatings (coating thickness is 4 μm), dry rear rolling.Gained synthetic paper thickness is 58 μm, and ink absorption is 30%.
In above-described embodiment one to embodiment five, antistatic additive all can adopt one or more in the cruel amine of ethyoxyl bay, polyether ester amides, single octadecanoid acid glycerine ester, PEO
In addition; it should be noted that, the specific embodiment described in this description, its each several part title etc. can be different; all equivalences of doing according to structure, feature and the principle described in inventional idea of the present invention or simple change, be included in the protection domain of patent of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (5)
1. be applicable to a synthetic paper for textbook printing, comprise synthetic paper body paper and face coat, it is characterized in that:
The each constituent of described synthetic paper body paper is respectively by weight: high density polyethylene (HDPE) 20 ~ 30 parts, activated Calcium carbonate 70 ~ 80 parts, 1 ~ 2 part, antistatic additive, antioxidant 0.05 ~ 0.1 part, the first dispersant 1 ~ 2 part, 1 ~ 3 part, ethylene acrylic acid co polymer wax; Wherein, activated Calcium carbonate is made up of active powdered whiting, calcene, and the ratio of active powdered whiting and calcene is 3:1 ~ 5:1;
The each constituent of described face coat is respectively by weight: kaolin 70 ~ 80 parts, precipitated calcium carbonate 20 ~ 30 parts, the adhesive 13 ~ 17 parts containing hydroxyethyl starch, carboxymethyl cellulose 0.5 ~ 1 part, the second dispersant 0.1 ~ 0.3 part.
2. be applicable to the synthetic paper of textbook printing as claimed in claim 1, it is characterized in that: described antistatic additive is one or more in the cruel amine of ethyoxyl bay, polyether ester amides, single octadecanoid acid glycerine ester, PEO.
3. be applicable to the synthetic paper of textbook printing as claimed in claim 1, it is characterized in that: described first dispersant is calcium stearate.
4. be applicable to the synthetic paper of textbook printing as claimed in claim 1, it is characterized in that: described adhesive is the mixture of carboxylic styrene butadiene latex and hydroxyethyl starch, the ratio of carboxylic styrene butadiene latex and hydroxyethyl starch is 2:1 ~ 4:1.
5. be applicable to the synthetic paper of textbook printing as claimed in claim 1, it is characterized in that: described second dispersant is Sodium Polyacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809018.6A CN104494254A (en) | 2014-12-24 | 2014-12-24 | Synthetic paper for printing textbooks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410809018.6A CN104494254A (en) | 2014-12-24 | 2014-12-24 | Synthetic paper for printing textbooks |
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| CN104494254A true CN104494254A (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123908A (en) * | 2020-09-23 | 2020-12-25 | 杭州华塑实业股份有限公司 | Degradable polyester synthetic paper and preparation method thereof |
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