CN105951508B - A kind of preparation method of Novel paper - Google Patents

A kind of preparation method of Novel paper Download PDF

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Publication number
CN105951508B
CN105951508B CN201610326347.4A CN201610326347A CN105951508B CN 105951508 B CN105951508 B CN 105951508B CN 201610326347 A CN201610326347 A CN 201610326347A CN 105951508 B CN105951508 B CN 105951508B
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Prior art keywords
water
coated
graphene
novel paper
polyurethane
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CN201610326347.4A
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CN105951508A (en
Inventor
雷志勇
梁松
袁志庆
彭秀珍
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Shenzhen Glareway Technology Co Ltd
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Shenzhen Glareway Technology Co Ltd
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00Coated paper; Coating material
    • D21H19/10Coatings without pigments
    • D21H19/12Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/04Carbon
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic

Abstract

A kind of preparation method of Novel paper, includes the following steps:Weigh water, waterborne polyurethane resin, nano silicon dioxide and graphene, first waterborne polyurethane resin, which is added to the water, and be sufficiently stirred uniformly disperses polyurethane resin to form uniform polyurethane solutions in water, nano silicon dioxide is added in polyurethane solutions again and is sufficiently stirred, finally graphene is added in polyurethane solutions and is sufficiently stirred, forms solution to be coated;Hair-dryer blows the pollutants such as the surface dirt of body layer off, then dries;The tow sides that solution to be coated is uniformly coated on to body layer by coating method form polyurethane coating, then dry, then place, just obtain the Novel paper.Novel paper of the present invention has many advantages, such as that preparation process is simple, environmentally safe, barrier property is high, antistatic property is good, is easy to industrialization.

Description

A kind of preparation method of Novel paper
Technical field
The present invention relates to a kind of Novel paper and its preparing technical fields.
Background technology
Paper is due to having the characteristics that can be recycled, environmental pollution is small, in the packaging fields application such as cigarette, wine, beverage It is very extensive.However, paper also has the shortcomings that apparent:Water proofing property is poor, moisture-sensitive, barrier property are poor, these shortcomings make it in special height Hold packaging field application limited.The defects of in order to make up hard copy body, most common method are to be coated with a certain amount of painting on paper surface Material obtains coating paper, however coating paper currently on the market can only meet common packing instructions, and higher is required for barrier property Cigarette, wine, beverage packaging then need to meet in modes such as metals or clad aluminum foil and plastics such as paper surface vapor deposition aluminium foils It is required that process is more and complex process, also there is no small pollution to environment.The simpler more environmentally friendly method of development improves the barrier of paper Property it is made to meet cigarette, beverage and Wines packing is needs urgently solve both at home and abroad important topic at present.
Graphene is since the connection between each carbon atom is very flexible, and when applying external mechanical force, carbon atom face is with regard to curved Song deformation so as to make carbon atom that need not be rearranged to adapt to external force, has also been maintained for stable structure.The lattice knot of this stabilization Structure not only makes graphene have very excellent electric conductivity, intensity, also with excellent barrier property.It if it will be apparent that can be in paper Surface cover a layer graphene coating, the barrier property on surface will increase substantially, and its surface will be conductive, paper Mechanical strength will also be strengthened.However, up to the present, the methods and techniques report of graphite ene coatings is prepared on paper very Few, therefore, study and invent a kind of simple and environmentally-friendly new technology has highly important meaning in paper surface covering graphite ene coatings Justice.
In the prior art, application publication number is that the patent application of CN104947501A discloses a kind of preparation side of coating Method, coating and coating paper are also coated with graphite ene coatings, but graphene is utilized in this coating paper well in scheme on paper Oleophilic drainage performance, mainly for the manufacture of production offset paper, and higher commercial tissue is required for materials with high barrier property For, just it is not suitable for this offset paper, two kinds cannot be general each other with paper, therefore, is highly desirable to be directed to packaging group use Paper is designed upgrading.
Invention content
The technical problems to be solved by the invention are to overcome above-mentioned the deficiencies in the prior art, provide a kind of surface covered with stone The preparation method of the Novel paper of black ene coatings and this Novel paper.
The present invention solve above-mentioned technical problem the technical solution adopted is that:A kind of Novel paper, including body layer and coating In the polyurethane coating containing graphene and nano silicon dioxide mixture of body layer positive and negative.
A kind of preparation method of above-mentioned Novel paper, including following preparation process:
(1) water, waterborne polyurethane resin, nano silicon dioxide and graphene are weighed, first adds in waterborne polyurethane resin Into water and be sufficiently stirred and uniformly disperse polyurethane resin to form uniform polyurethane solutions in water, then by nanometer two Silica is added in polyurethane solutions and is sufficiently stirred, and finally graphene is added in polyurethane solutions and is fully stirred It mixes, forms solution to be coated;
(2) hair-dryer blows the pollutants such as the surface dirt of body layer off, then dry under the first predetermined condition;
(3) tow sides that solution to be coated is uniformly coated on to body layer by coating method form polyurethane coating, so It is dry under the second predetermined condition afterwards, then placed under third predetermined condition, just obtain the Novel paper.
Preferably, in the solution to be coated water, waterborne polyurethane resin, nano silicon dioxide, graphene matter It is water to measure ratio:Waterborne polyurethane resin:Nano silicon dioxide:Graphene=1000:100~50:10~1:10~1.
Preferably, in step (2), first predetermined condition is dry in 80~100 DEG C of drying boxes 10min。
Preferably, in step (3), second predetermined condition be dry 10 in 100~120 DEG C of baking ovens~ 30min。
Preferably, in step (3), the third predetermined condition be place 24 in 20~40 DEG C of environment~ 48h。
Compared with prior art, beneficial effects of the present invention:A kind of Novel paper that the present invention designs be particularly suitable for cigarette, The wrapping paper of the commodity such as beverage, drinks uses, and synthesis barrier property height, the antistatic property of this Novel packaging paper are good.Meanwhile this The preparation process of kind of Novel paper is simple, has many advantages, such as environmental nonpollution, is easy to industrialization, is replacing for vapor deposition paper and extrusion coating paper Material is selected for property.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, wherein:
Fig. 1 is the Novel paper structure diagram of the present invention.
Wherein, 1 is body layer;2 be polyurethane coating.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention is described further.Drawn in preferred embodiment Such as " on ", " under ", "left", "right", " centre " and " one " term, only understanding rather than to limit for ease of narration The enforceable range of the present invention, relativeness are altered or modified, in the case where changing technology contents without essence, when being also considered as this hair Bright enforceable scope.
Fig. 1 is referred to, the present invention devises a kind of Novel paper, specifically includes:Body layer 1 and polyurethane coating 2 gather Urethane coating 2 is coated on the positive and negative of body layer 1, and polyurethane coating 2 contains graphene, nano silicon dioxide mixture.
A kind of preparation method of above-mentioned Novel paper has also been devised in the present invention, specifically enumerates several embodiments.
Embodiment one
This preparation method includes the following steps:
(1) it is 1000 in mass ratio first:100:10:10 ratio weighs a certain amount of water, waterborne polyurethane resin, receives Waterborne polyurethane resin is added to the water and be sufficiently stirred that form uniform polyurethane molten by rice silica, graphene Liquid, then nano silicon dioxide is added in polyurethane solutions and is sufficiently stirred, it is molten that graphene then is added to polyurethane It in liquid and is sufficiently stirred, forms solution to be coated;
(2) pollutants such as the surface dirt of body layer 1 are blown off with hair-dryer, it is then dry in 80 DEG C of drying boxes 10min;
(3) solution to be coated by coating method is uniformly coated on to the tow sides of body layer 1, forms polyurethane coating 2, Then the dry 10min in 100 DEG C of baking ovens, then 48h is placed in the environment for being 20 DEG C in temperature, just obtain the Novel paper.
Embodiment two
This preparation method includes the following steps:
(1) it is 1000 in mass ratio first:50:1:1 ratio weighs a certain amount of water, waterborne polyurethane resin, nanometer Waterborne polyurethane resin is added to the water and be sufficiently stirred forming uniform polyurethane solutions by silica, graphene, Nano silicon dioxide is added in polyurethane solutions again and is sufficiently stirred, then graphene is added in polyurethane solutions And be sufficiently stirred, form solution to be coated;
(2) pollutants such as the surface dirt of body layer 1 are blown off with hair-dryer, it is then dry in 100 DEG C of drying boxes 10min;
(3) solution to be coated by coating method is uniformly coated on to the tow sides of body layer 1, forms polyurethane coating 2, Then the dry 30min in 120 DEG C of baking ovens, then placed for 24 hours in the environment for being 40 DEG C in temperature, just obtain the Novel paper.
Embodiment three
This preparation method includes the following steps:
(1) it is 1000 in mass ratio first:80:5:5 ratio weighs a certain amount of water, waterborne polyurethane resin, nanometer Waterborne polyurethane resin is added to the water and be sufficiently stirred forming uniform polyurethane solutions by silica, graphene, Nano silicon dioxide is added in polyurethane solutions again and is sufficiently stirred, then graphene is added in polyurethane solutions And be sufficiently stirred, form solution to be coated;
(2) pollutants such as the surface dirt of body layer 1 are blown off with hair-dryer, it is then dry in 90 DEG C of drying boxes 10min;
(3) solution to be coated by coating method is uniformly coated on to the tow sides of body layer 1, forms polyurethane coating 2, Then the dry 20min in 110 DEG C of baking ovens, then 30h is placed in the environment for being 30 DEG C in temperature, just obtain the Novel paper.
Example IV
This preparation method includes the following steps:
(1) it is 1000 in mass ratio first:90:6:3 ratio weighs a certain amount of water, waterborne polyurethane resin, nanometer Waterborne polyurethane resin is added to the water and be sufficiently stirred forming uniform polyurethane solutions by silica, graphene, Nano silicon dioxide is added in polyurethane solutions again and is sufficiently stirred, finally graphene is added in polyurethane solutions And be sufficiently stirred, form solution to be coated;
(2) pollutants such as the surface dirt of body layer 1 are blown off with hair-dryer, it is then dry in 85 DEG C of drying boxes 10min;
(3) solution to be coated by coating method is uniformly coated on to the tow sides of body layer 1, forms polyurethane coating 2, Then the dry 25min in 105 DEG C of baking ovens, then 40h is placed in the environment for being 35 DEG C in temperature, just obtain the Novel paper.
Embodiment five
This preparation method includes the following steps:
(1) it is 1000 in mass ratio first:65:3:2 ratio weighs a certain amount of water, waterborne polyurethane resin, nanometer Waterborne polyurethane resin is added to the water and be sufficiently stirred uniformly dispersing polyurethane resin by silica, graphene Uniform polyurethane solutions are formed in water, then nano silicon dioxide is added in polyurethane solutions and is sufficiently stirred, most Graphene is added in polyurethane solutions and is sufficiently stirred afterwards, forms solution to be coated;
(2) pollutants such as the surface dirt of body layer 1 are blown off with hair-dryer, it is then dry in 95 DEG C of drying boxes 10min;
(3) solution to be coated by coating method is uniformly coated on to the tow sides of body layer 1, forms polyurethane coating 2, Then the dry 25min in 115 DEG C of baking ovens, then 48h is placed in the environment for being 25 DEG C in temperature, just obtain the Novel paper.
Due to the characteristic of waterborne polyurethane resin, enable the more targeted homodisperse graphene of its polyurethane solutions And nano silicon dioxide, so as to be formed and the stronger polyurethane coating of the binding force of paper.
Since the microcosmic particle size of nano silicon dioxide is very small, it is not belonging to mineral filler, therefore, nanometer Silica polyurethane solutions carry out it is homodisperse after, so that it may obtain the very excellent coating of barrier property, while paper Hardness is also greatly improved, and also compensates for the lipophile of graphene.
The above described is only a preferred embodiment of the present invention, not making limitation in any form to the present invention, appoint What those skilled in the art, without departing from the scope of the present invention, technical spirit according to the present invention to implementing above Example any brief introduction modification, equivalent variations and the modification made, in the range of still falling within technical solution of the present invention.

Claims (4)

1. a kind of preparation method of Novel paper, which is characterized in that including following preparation process:
(1) water, waterborne polyurethane resin, nano silicon dioxide and graphene are weighed, waterborne polyurethane resin is first added to water In and be sufficiently stirred and uniformly disperse polyurethane resin to form uniform polyurethane solutions in water, then by nanometer titanium dioxide Silicon is added in polyurethane solutions and is sufficiently stirred, and finally graphene is added in polyurethane solutions and is sufficiently stirred, shape Into solution to be coated;
(2) hair-dryer blows the pollutants such as the surface dirt of body layer off, then dry under the first predetermined condition;
(3) tow sides that solution to be coated is uniformly coated on to body layer by coating method form polyurethane coating, Ran Hou It is dry under second predetermined condition, then placed under third predetermined condition, just obtain the Novel paper;
Water in the solution to be coated, waterborne polyurethane resin, nano silicon dioxide, graphene mass ratio be water:Aqueous poly- ammonia Ester resin:Nano silicon dioxide:Graphene=1000:100~50:10~1:10~1.
2. the preparation method of Novel paper according to claim 1, which is characterized in that in step (2), described first is predetermined Condition is the dry 10min in 80~100 DEG C of drying boxes.
3. the preparation method of Novel paper according to claim 1, which is characterized in that in step (3), described second is predetermined Condition is dry 10~30min in 100~120 DEG C of baking ovens.
4. the preparation method of Novel paper according to claim 1, which is characterized in that in step (3), the third makes a reservation for 24~48h is placed in the environment that condition is 20~40 DEG C.
CN201610326347.4A 2016-05-17 2016-05-17 A kind of preparation method of Novel paper Active CN105951508B (en)

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CN109355973B (en) * 2018-10-25 2021-06-25 广东阿博特数码纸业有限公司 Method for improving scratch resistance of coating surface of color ink-jet printing paper
CN116411478A (en) * 2022-12-30 2023-07-11 浙江大胜达包装股份有限公司 Production method of graphene-coated corrugated paper

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CN105251376A (en) * 2015-09-25 2016-01-20 天津工业大学 Preparing method for nanoparticle/fiber composite membrane

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CN102417773A (en) * 2011-10-14 2012-04-18 袁志庆 Superhydrophobic acrylic resin paint
EP2856497B1 (en) * 2012-06-05 2018-04-18 Stratasys, Inc. Composite made with graphene coated substrates and manufacturing process
CN104403453B (en) * 2014-11-16 2017-01-18 重庆大学 Semiconductor superhydrophobic paint and preparation method thereof
CN105086784A (en) * 2015-04-29 2015-11-25 宁波职业技术学院 Graphene modified thermal conductive coating
CN104947501A (en) * 2015-05-27 2015-09-30 宁波中华纸业有限公司 Preparation method of coating, coating and coated paper

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CN105251376A (en) * 2015-09-25 2016-01-20 天津工业大学 Preparing method for nanoparticle/fiber composite membrane

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