CN104327489A - Preparation method of flame-retardant synthetic paper - Google Patents
Preparation method of flame-retardant synthetic paper Download PDFInfo
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- CN104327489A CN104327489A CN201410695696.4A CN201410695696A CN104327489A CN 104327489 A CN104327489 A CN 104327489A CN 201410695696 A CN201410695696 A CN 201410695696A CN 104327489 A CN104327489 A CN 104327489A
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Abstract
The invention discloses a preparation method of flame-retardant synthetic paper. The preparation method comprises the following steps: firstly, drying and granulating waterborne acrylic resin dispersion under a condition of 95-115 DEG C to obtain the waterborne acrylic resin particles; secondly, mixing a flame retardant and other inorganic fillers and drying; thirdly, mixing the waterborne acrylic resin particles, the inorganic mixture, a thermoplastic polyurethane particles and stirring; and finally making the particles into a film by virtue of a blow molding or a rolling method or a casting method and controlling the thickness of the film to be 0.12mm; and after the film is cooled, cutting film products into an appropriate size according to the requirement of a practical application field to obtain the flame-retardant synthetic paper.
Description
Technical field
The invention belongs to organic---inorganic composite materials production technical field, is specifically related to a kind of preparation method of flame retardant type synthetic paper.
Background technology
Synthetic paper is with macromolecular material, inorganic carbonate calcium for main raw material, by adding multiple auxiliary agent, utilizes the macromolecule interfacial principles of chemistry and filling-modified technology, through a kind of novel product with modern technologies feature that special process processes.Synthetic paper has writing of conventional paper and printing performance, have again that the light specific gravity of plastics, intensity are large, anti tear, waterproof, the feature such as durable in use.
The development of synthetic paper has had the history of decades abroad, but because production technology difficulty is large, production unit requires high, in the world can the enterprise of mass production few, only have the minority enterprises such as du pont company, Japanese prince company and TaiWan, China Long Meng company can mass-produce high-quality synthetic paper.The development and production of domestic Yi You minority enterprise go out the synthetic paper making top grade of macromolecular material.The macromolecular material that current synthetic paper uses is mainly polyolefins, as polyethylene, polypropylene etc., but the limiting oxygen index(LOI) of the macromolecular material such as polyethylene and acrylic resin is below 21, their easy firings and burning are acutely, the thermal oxidative reaction of its complexity, there is the feature emitted and send out dense smoke and red-hot flame, also not easily extinguish even if leave flame.In addition, polyolefin based materials has certain hydrophobicity, and the ink major part that printing uses is the water dispersion of ink, thus causes the surface of synthetic paper to have certain repulsive interaction to ink, is unfavorable for quick solid ink and paints.Moreover polyolefin based materials biological degradability is poor, easily environment is produced and pollute.
Can find out, existing synthetic paper product mainly exists inflammable, and ink absorption is slow, inking amount is few, and degradability is poor, easily cause the shortcomings such as environmental pollution.Therefore, must improve the component of synthetic paper and production technology, its Application Areas could be expanded.
Summary of the invention
The object of the invention is to the above-mentioned defect existed for synthetic paper in prior art, a kind of preparation method of flame retardant type synthetic paper is provided.
The preparation method of flame retardant type synthetic paper of the present invention, comprises the steps:
(1) by dry, the granulation under the condition of 95 ~ 115 DEG C of water-borne acrylic resin dispersion liquid, water-borne acrylic resin particle is obtained;
(2) by fire retardant and other mineral filler mixing, and drying is carried out;
(3) the water-borne acrylic resin particulate material prepared by step (1), step (2) prepare inorganic mixture, thermoplastic polyurethane particulate material mixing, stir;
(4) adopt blow moulding or rolling process or casting method to be filmed the pellet of step (3) gained, the thickness of controlling diaphragm is 0.12mm;
(5) after film cooling, membrane product is cut out as suitable dimension by the demand according to practical application area, namely obtains flame retardant type synthetic paper product.
Concrete, in step (3) preparation process, the mass percentage of described water-borne acrylic resin particulate material, thermoplastic polyurethane particulate material, fire retardant and other mineral fillers respectively: the mass percentage of water-borne acrylic resin particulate material is 5% ~ 10%; The shore hardness of thermoplastic polyurethane particulate material is 90 ~ 105A, and its mass percentage is 35% ~ 55%; The mass percentage of fire retardant is 20% ~ 30%; The mass percentage of other mineral filler is 15% ~ 30%.
Concrete, in step (1), described water-borne acrylic resin dispersion liquid is thermoplastic acrylic resin, and its solid masses percentage composition is 30% ~ 50%, and the equal relative molecular mass of number is 50,000 ~ 120,000.
Concrete, in step (3), described thermoplastic polyurethane particulate material and TPU are the one in polyether-type TPU, polyester type TPU, polyether/polyester mixed type TPU, and its shore hardness is 90A ~ 105A.
Concrete, in step (2), described fire retardant is one or several the mixture in aluminium hydroxide, ammonium polyphosphate, antimonous oxide, and fineness is 800 ~ 2500 object powder; Other mineral filler described is the mixture of fine and lightweight calcium carbonate, superfine light calcium carbonate a kind of or two kinds, and fineness is 500 ~ 2500 object powder.
The flame retardant type synthetic paper outward appearance that the inventive method obtains is white, and control thickness is 0.12mm, and weight (in A4 paper area) is between 1.45 ~ 1.85g.
The present invention adopts water-borne acrylic resin particulate material, thermoplastic polyurethane particulate material, fire retardant and other mineral filler as main raw material, and the synthetic paper product of flame retardant type is produced through suitable ratio and suitable film-forming method, compared with existing synthetic paper production technology, there is following advantage:
(1) good flame retardation effect: the synthetic paper product that the inventive method obtains has anti-flaming function, nonflammable, can not produce obnoxious flavour thus cause secondary public hazards to society and the mankind, meeting the flame-retardancy requirements that NFA portion specifies.
(2) ink absorption is fast: select water-borne acrylic resin material in the present invention, greatly strengthen the sorption of synthetic paper to ink; In addition, the order number of selected fire retardant and calcium carbonate is all more than 500 orders, and particularly calcium carbonate serves the effect of good solid ink, and ink marks is difficult to erasing.
(3) environmental friendliness: the water-borne acrylic resin selected in the present invention and thermoplastic polyurethane are all containing hydrophilic radical, there is good biocompatibility and biodegradability, shorter than the degradation cycle of the material such as polyethylene, polypropylene, can not to environment.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Wherein, described raw material is industrialization product, and equipment is the production unit of general industry.
Embodiment 1:
Take water-borne acrylic resin dispersion liquid (solid masses percentage composition is 30%, and the equal relative molecular mass of number is 50,000) 10.0 kilograms, dry, granulation under the condition of 95 DEG C; The particle of water soluble acrylic acid material is added thermoplastic polyurethane particle (polyether-type TPU, shore hardness is 90A) 16.5 kilograms, antimonous oxide 6.0 kilograms, 2.5 kilograms, superfine light calcium carbonate powder, 2.0 kilograms, fine and lightweight calcium carbonate powder, stir and obtain composite grain material after 2 hours.Above-mentioned mixing pellet is carried out Blown Film by blowing, and the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain flame retardant type synthetic paper product.
As calculated, the mass percentage of the water-borne acrylic resin material of gained synthetic paper is 10.0% in the present embodiment; The mass percentage of thermoplastic polyurethane material is 55.0%; Fire retardant mass percentage is 20.0%; Other mineral filler mass percentage is 15.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.45g.Its limiting oxygen index(LOI) of flame retardant type synthetic paper measurement that 5.2cm is wide and 14.0cm is long, 0.12mm is thick is adopted to be 26.9.
Embodiment 2:
Take water-borne acrylic resin dispersion liquid (solid masses percentage composition is 40%, and the equal relative molecular mass of number is 70,000) 7.5 kilograms, dry, granulation under the condition of 100 DEG C; The particle of water soluble acrylic acid material is added thermoplastic polyurethane particle (polyester type TPU, shore hardness is 95A) 15.0 kilograms, ammonium polyphosphate 6.0 kilograms, 6.0 kilograms, superfine light calcium carbonate powder, stir and obtain composite grain material after 2 hours.Above-mentioned mixing pellet is carried out Blown Film by blowing, and the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain flame retardant type synthetic paper product.
As calculated, the mass percentage of the water-borne acrylic resin material of gained synthetic paper is 10.0% in the present embodiment; The mass percentage of thermoplastic polyurethane material is 50.0%; Fire retardant mass percentage is 20.0%; Other mineral filler mass percentage are 20.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.60g.Its limiting oxygen index(LOI) of flame retardant type synthetic paper measurement that 5.2cm is wide and 14.0cm is long, 0.12mm is thick is adopted to be 28.1.
Embodiment 3:
Take water-borne acrylic resin dispersion liquid (solid masses percentage composition is 40%, and the equal relative molecular mass of number is 80,000) 5.0 kilograms, dry, granulation under the condition of 105 DEG C; The particle of water soluble acrylic acid material is added thermoplastic polyurethane particle (polyester type TPU, shore hardness is 98A) 22.0 kilograms, 10.0 kilograms, aluminium hydroxide, 4.0 kilograms, superfine light calcium carbonate powder, 2.0 kilograms, fine and lightweight calcium carbonate powder, stir and obtain composite grain material after 2 hours.Be filmed by casting method by above-mentioned mixing pellet, the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain flame retardant type synthetic paper product.
As calculated, the mass percentage of the water-borne acrylic resin material of gained synthetic paper is 5.0% in the present embodiment; The mass percentage of thermoplastic polyurethane material is 55.0%; Fire retardant mass percentage is 25.0%; Other mineral filler mass percentage are 15.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.65g.Its limiting oxygen index(LOI) of flame retardant type synthetic paper measurement that 5.2cm is wide and 14.0cm is long, 0.12mm is thick is adopted to be 29.2.
Embodiment 4:
Take water-borne acrylic resin dispersion liquid (solid masses percentage composition is 50%, and the equal relative molecular mass of number is 100,000) 10.0 kilograms, dry, granulation under the condition of 110 DEG C; The particle of water soluble acrylic acid material is added thermoplastic polyurethane particle (polyether-type TPU, shore hardness is 100A) 20.0 kilograms, 6.0 kilograms, aluminium hydroxide, ammonium polyphosphate 6.5 kilograms, 12.5 kilograms, fine and lightweight calcium carbonate powder, stir and obtain composite grain material after 2 hours.Be filmed by rolling process by above-mentioned mixing pellet, the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain flame retardant type synthetic paper product.
As calculated, the mass percentage of the water-borne acrylic resin material of gained synthetic paper is 10.0% in the present embodiment; The mass percentage of thermoplastic polyurethane material is 40.0%; Fire retardant mass percentage is 25.0%; Mineral filler mass percentage is 25.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.70g.Its limiting oxygen index(LOI) of flame retardant type synthetic paper measurement that 5.2cm is wide and 14.0cm is long, 0.12mm is thick is adopted to be 30.4.
Embodiment 5:
Take water-borne acrylic resin dispersion liquid (solid masses percentage composition is 50%, and the equal relative molecular mass of number is 100,000) 12.0 kilograms, dry, granulation under the condition of 115 DEG C; The particle of water soluble acrylic acid material is added thermoplastic polyurethane particle (polyethers and polyester mixed type TPU, shore hardness is 105A) 24.0 kilograms, ammonium polyphosphate 12.0 kilograms, antimonous oxide 6.0 kilograms, 6.0 kilograms, superfine light calcium carbonate powder, 6.0 kilograms, fine and lightweight calcium carbonate powder, stir and obtain composite grain material after 2 hours.Above-mentioned mixing pellet is carried out Blown Film by blowing, and the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain flame retardant type synthetic paper product.
As calculated, the mass percentage of the water-borne acrylic resin material of gained synthetic paper is 10.0% in the present embodiment; The mass percentage of thermoplastic polyurethane material is 40.0%; Fire retardant mass percentage is 30.0%; Other mineral filler mass percentage is 20.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.75g.Its limiting oxygen index(LOI) of flame retardant type synthetic paper measurement that 5.2cm is wide and 14.0cm is long, 0.12mm is thick is adopted to be 31.6.
Embodiment 6:
Take water-borne acrylic resin dispersion liquid (solid masses percentage composition is 50%, and the equal relative molecular mass of number is 120,000) 6.0 kilograms, dry, granulation under the condition of 105 DEG C; The particle of water soluble acrylic acid material is added thermoplastic polyurethane particle (polyether-type TPU, shore hardness is 102A) 21.0 kilograms, ammonium polyphosphate 9.0 kilograms, antimonous oxide 3.0 kilograms, 6.0 kilograms, aluminium hydroxide, 12.0 kilograms, superfine light calcium carbonate powder, 6.0 kilograms, fine and lightweight calcium carbonate powder, stir and obtain composite grain material after 2 hours.Be filmed by casting method by above-mentioned mixing pellet, the gauge control of its sample is 0.12mm; After film cooling, cutting device is utilized to carry out cutting out and can obtain flame retardant type synthetic paper product.
As calculated, the mass percentage of the water-borne acrylic resin material of gained synthetic paper is 5.0% in the present embodiment; The mass percentage of thermoplastic polyurethane material is 35.0%; Fire retardant mass percentage is 30.0%; Other mineral filler mass percentage is 30.0%.Synthetic paper product colour is white, and thickness is 0.12mm, and quality (in A4 paper area) is for 1.85g.Its limiting oxygen index(LOI) of flame retardant type synthetic paper measurement that 5.2cm is wide and 14.0cm is long, 0.12mm is thick is adopted to be 33.2.
Claims (6)
1. a preparation method for flame retardant type synthetic paper, is characterized in that comprising the steps:
(1) by dry, the granulation under the condition of 95 ~ 115 DEG C of water-borne acrylic resin dispersion liquid, water-borne acrylic resin particle is obtained;
(2) by fire retardant and other mineral filler mixing, and drying is carried out;
(3) the water-borne acrylic resin particulate material prepared by step (1), step (2) prepare inorganic mixture, thermoplastic polyurethane particulate material mixing, stir;
(4) adopt blow moulding or rolling process or casting method to be filmed the pellet of step (3) gained, the thickness of controlling diaphragm is 0.12mm;
(5) after film cooling, membrane product is cut out as suitable dimension by the demand according to practical application area, namely obtains flame retardant type synthetic paper product.
2. the preparation method of flame retardant type synthetic paper according to claim 1, it is characterized in that: in step (3) preparation process, the mass percentage of described water-borne acrylic resin particulate material, thermoplastic polyurethane particulate material, fire retardant and other mineral fillers respectively: the mass percentage of water-borne acrylic resin particulate material is 5% ~ 10%; The shore hardness of thermoplastic polyurethane particulate material is 90 ~ 105A, and its mass percentage is 35% ~ 55%; The mass percentage of fire retardant is 20% ~ 30%; The mass percentage of other mineral filler is 15% ~ 30%.
3. the preparation method of flame retardant type synthetic paper according to claim 1, it is characterized in that: in step (1), described water-borne acrylic resin dispersion liquid is thermoplastic acrylic resin, and its solid masses percentage composition is 30% ~ 50%, and the equal relative molecular mass of number is 50,000 ~ 120,000.
4. the preparation method of flame retardant type synthetic paper according to claim 1, it is characterized in that: in step (3), described thermoplastic polyurethane particulate material and TPU are the one in polyether-type TPU, polyester type TPU, polyether/polyester mixed type TPU, and its shore hardness is 90A ~ 105A.
5. the preparation method of flame retardant type synthetic paper according to claim 1, it is characterized in that: in step (2), described fire retardant is one or several the mixture in aluminium hydroxide, ammonium polyphosphate, antimonous oxide, and fineness is 800 ~ 2500 object powder.
6. the preparation method of flame retardant type synthetic paper according to claim 1, it is characterized in that: in step (2), other mineral filler described is the mixture of fine and lightweight calcium carbonate, superfine light calcium carbonate a kind of or two kinds, and fineness is 500 ~ 2500 object powder.
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| CN201410695696.4A CN104327489A (en) | 2014-11-26 | 2014-11-26 | Preparation method of flame-retardant synthetic paper |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463206A (en) * | 2007-12-21 | 2009-06-24 | 精工爱普生株式会社 | Ink composition for ink jet recording |
| CN102492282A (en) * | 2011-11-30 | 2012-06-13 | 湖南科技大学 | Method for preparing quick-drying type synthetic paper |
| CN102604030A (en) * | 2012-03-08 | 2012-07-25 | 湖南科技大学 | Preparation method for soft porous synthetic paper |
| CN202826606U (en) * | 2012-04-17 | 2013-03-27 | 天象集团有限责任公司 | Environment-friendly flame-retardant wallpaper |
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- 2014-11-26 CN CN201410695696.4A patent/CN104327489A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463206A (en) * | 2007-12-21 | 2009-06-24 | 精工爱普生株式会社 | Ink composition for ink jet recording |
| CN102492282A (en) * | 2011-11-30 | 2012-06-13 | 湖南科技大学 | Method for preparing quick-drying type synthetic paper |
| CN102604030A (en) * | 2012-03-08 | 2012-07-25 | 湖南科技大学 | Preparation method for soft porous synthetic paper |
| CN202826606U (en) * | 2012-04-17 | 2013-03-27 | 天象集团有限责任公司 | Environment-friendly flame-retardant wallpaper |
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Application publication date: 20150204 |