CN103833263A - Stone paper and preparation method thereof - Google Patents
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Abstract
The invention relates to the technical field of preparation of novel paper, and specifically to stone paper and a preparation method thereof. The stone paper specifically includes the raw materials of coarse whiting, high density polyethylene, metallocene polyethylene, aluminic ester, polyethylene wax, stearic acid, an antioxidant, and EBS. A process flow is as below: first, evenly stirring coarse whiting and surface treatment agents ethylene wax, stearic acid and EBS, and a coupling agent aluminic ester together in a high-speed mixer through high speed stirring, and modifying the coarse whiting by using the surface treatment agents and coupling agent; then adding the high density polyethylene and metallocene polyethylene, and mixing by stirring; after combination of the above raw materials, conducting extrusion granulation, extrusion casting, three-roll press polish, biaxial tension and corona treatment on the polymer to obtain the stone paper. Biaxial tension process realizes the small difference of tear strength at vertical and horizontal directions of the paper material, and realizes the reduction of original paper density to expand the paper material area, thereby reducing the cost and increasing economic benefit.
Description
Technical field
The preparing technical field that the present invention relates to a kind of novel paper wood, is specifically related to a kind of stone paper and preparation method thereof.
Technical background
Traditional paper wood is using vegetable fibres such as timber as raw materials for production mostly.Along with dark woods resource is day by day deficient, the raw material of papermaking is largely limited to, therefore production cost also climbs up and up.In addition, using vegetable fibre as traditional paper technology that raw material was carried out, the serious three wastes contaminate environment of generation.
Along with scientific and technical high speed development, paper-making technique also makes rapid progress.Take Mineral resources calcium carbonate the abundantest in the earth's crust as main raw material, take macromolecular material and multiple inorganics as auxiliary material, utilize the macromolecule interfacial principles of chemistry and filling-modified technology, the technology of a kind of stone paper processing through special process, having exactly a novel papermaking technology for modern technologies feature, is also current domestically leading world advanced person's new technology.The birth of this technology, had both solved the papermaking that need not chop at a tree, and solved again the harm problem that traditional paper-making pollution brings to environment.The most important thing is, this paper waterproof is firm nonflammable, very environmental protection.
Traditional stone paper production technology process flow process: extract the calcium carbonate in Wingdale, then ore is worn into high calcium 1500-2500 object ultrafine powder, carry out subsequently second operation work, the additive of 85% modified calcium carbonate interpolation upper 15% is made to master batch, finally make paper by extruding film blowing device.
Application number is 201110183071.6 " stone paper and preparation method thereof ", this invention is made up of the component of following weight part: 10～20 parts of stone paper functional additives, 80～90 parts of functional calcium carbonates, 7～12 parts of linear low density polyethylenes, 5～10 parts of hot melt adhesives, 0.2～0.6 part of amine hydroxybenzene, 3～5 parts of dioctyl phthalate (DOP)s, 0.5～1.5 part of epoxy soybean oil, 1, 3, 5, three (3, 5-di-t-butyl, 4-hydroxybenzyl) 0.4～0.8 part of s-triazine, 0.4～0.8 part of polyethylene wax, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] 0.1～0.3 part of pentaerythritol ester, 0.1～0.3 part of Tyox B, 0.1～0.3 part of p-octylphenyl salicylate, 0.5～1.5 part of Span60.
Application number is 201110179317.2 " a kind of preparation methods of stone paper ", and this invention is to realize as follows: A, stone paper masterbatch is mixed; B, the stone paper masterbatch after mixing is delivered in the barrel of screw extrusion press, and toward passing into 5 ‰～1% the ultra micro gas foaming agent that weight is stone paper master batch weight in barrel, stone paper masterbatch and ultra micro gas foaming agent are mixed to post-foaming, and described ultra micro gas foaming agent is rare gas element; C, by foaming after material deliver to rolling press, make stone paper product.
Application number is 201010216146.1 " a kind of stone paper and manufacture method thereof ", this invention is made up of the component of following weight part: 6～12 parts of Low Density Polyethylenes, 6～12 parts of linear low density polyethylenes, 3～6 parts of hot melt adhesives, 5～10 parts of titanium dioxides, 65～75 parts of water-ground limestones, 3～5 parts of silane coupling agents, 0.5～1.5 part of stearic acid, 0.5～1.5 part of epoxy plasticizer, 0.2～0.6 part of polyethylene wax.
Application number is 201110234983.1 " production method of inflaming retarding stone papers ", and its raw material and weight ratio proportioning thereof are: the inorganic mineral of 55-65%; 15-30% polyolefine; The fire retardant of 8-18%, 1-5% film coalescence aid.Technical process is: above material is sent into high-speed mixer and mixed, and mixture is transported to the mixing gel granulation of forcing machine, through paper film inflation film manufacturing machine, makes the flame retardant type stone paper base material of suitable thickness.
Summary of the invention
Object of the present invention is just to provide brand-new a kind of stone paper and preparation method thereof.Specifically comprise: raw material is made up of 75～90 parts of water-ground limestones, 2～14 parts of high density polyethylene(HDPE)s, 2～8 parts of metallocene PEs, 1～2 part of Aluminate, 0.5～1.0 part of polyethylene wax, 0.5～1.0 stearic acid, 0.5～1.0 oxidation inhibitor, 0.5～1.0EBS.Technical process is: first water-ground limestone, surface treatment agent, coupling agent are sent into homogenizer even by high-speed stirring, utilized surface treatment agent, coupling agent to carry out activation modification to calcium carbonate; Then add high density polyethylene(HDPE), metallocene PE to be uniformly mixed; After above-mentioned raw materials combination, by polymer-extruded granulation, extrude curtain coating, three-roll press-polishing, two-way stretch, corona treatment technique and make stone paper.
Described water-ground limestone, is called for short coarse whiting, is to be formed as calcite, marble, Wingdale grind by natural carbonate mineral.Conventional powdery mineral filler, have that chemical purity is high, inertia is large, be difficult for chemical reaction, Heat stability is good, can not decompose below at 400 ℃, whiteness is high, oil absorbency is low, refractive index is low, matter is soft, dry, do not contain the advantages such as crystal water, the low wear(ing)value of hardness are little, nontoxic, tasteless, odorless, good dispersity.Water-ground limestone is a kind of important, broad-spectrum inorganic salt.Main component is water-ground limestone, water-ground limestone is also referred to as " coarse whiting ", be typically used as filler, be widely used in the daily-use chemical industry industries such as artificial floor tile, rubber, plastics, papermaking, coating, paint, ink, cable, building product, food, medicine, weaving, feed, toothpaste, play the volume that increases product as weighting agent, reduce production costs.
The present invention is achieved through the following technical solutions:
1, a kind of stone paper and preparation method thereof, comprises the steps: in the technical program
(1) raw material composition: formed by water-ground limestone, high density polyethylene(HDPE), metallocene PE, Aluminate, polyethylene wax, stearic acid, oxidation inhibitor, EBS.
(2) technical process: first water-ground limestone, surface treatment agent, coupling agent are sent into homogenizer even by high-speed stirring, utilized surface treatment agent, coupling agent to carry out activation modification to calcium carbonate; Then add high density polyethylene(HDPE), metallocene PE to be uniformly mixed; After above-mentioned raw materials combination, polymkeric substance is by extruding pelletization, extrudes curtain coating, three-roll press-polishing, two-way stretch, corona treatment technique and makes stone paper.
2, a kind of stone paper and preparation method thereof, the feed composition weight in the technical program is as follows:
(1) water-ground limestone: 75～90 parts;
(2) high density polyethylene(HDPE): 2～14 parts;
(3) metallocene PE: 2～8 parts;
(4) Aluminate: 1～2 part;
(5) polyethylene wax: 0.5～1.0 part;
(6) stearic acid: 0.5～1.0 part;
(7) oxidation inhibitor: 0.5～1.0 part;
(8) EBS:0.5～1.0 part.
3, a kind of stone paper and preparation method thereof, the coupling agent described in the technical program is Aluminate, and described tensio-active agent is polyethylene wax, stearic acid, EBS, and described oxidation inhibitor is Hinered phenols antioxidant.
4, a kind of stone paper and preparation method thereof, the water content of the water-ground limestone described in the technical program is below 0.3%, specification is 800～2000 orders.
5, a kind of stone paper and preparation method thereof, the density of the high density polyethylene(HDPE) described in the technical program is 0.923～0.95 gram/cm
3, hardness is more than 65; Described metallocene PE density is 0918～0.935 gram/cm
3, fusing point is 110～130 ℃.
6, a kind of stone paper and preparation method thereof, the extruding pelletization processing temperature described in the technical program is that 180 ℃ from the first district Dao 9th district are incremented to 220 ℃.
7, a kind of stone paper and preparation method thereof, the processing temperature of extruding curtain coating described in the technical program is:
(1) processing temperature of spiro rod section is that from the first district Dao 9th district 170 ℃ are incremented to 210 ℃;
(2) processing temperature of T-shaped die head is 180～210 ℃, 170～210 ℃, 170～205 ℃, 170～200 ℃, 170～205 ℃, 170～210 ℃, 180～210 ℃ from the firstth district to SECTOR-SEVEN successively;
8, a kind of stone paper and preparation method thereof, the temperature of the three-roll press-polishing described in the technical program is:
(1) first roller is 75～90 ℃;
(2) second roller is 75～90 ℃;
(3) the 3rd rollers are 60～75 ℃.
9, a kind of stone paper and preparation method thereof, in the two-way stretch described in the technical program, longitudinal stretching multiple is that 1.0～12 times, cross directional stretch multiple are 1.0～10 times; The temperature of longitudinal stretching preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃, and the temperature of cross directional stretch preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃.
10, a kind of stone paper and preparation method thereof, it is two groups that the corona treatment described in the technical program is processed electrode, processing power is 12～20KW.
The present invention both had the following advantages:
1, two-way stretch measure uniqueness, easily enforcement in preparation method proposed by the invention.
2, by implementing the present invention, applied main raw material---water-ground limestone wide material sources, application cost is low.
3, the present invention, in implementation process, adopts stretch processes, has realized the density that reduces body paper, reaches thus the object that reduces costs, effectively increases economic efficiency.Major embodiment, in traditional stone paper production technique, drops into 1 ton of raw material, and the paper wood of institute's output probably has 5000m at present
2; And employing stretch processes, dropping into 1 ton of raw material can output 6500～7000m
2paper wood; Effectively by paper wood enlarged areas 1500～2000m
2.
4, by implementing the present invention, vertical and horizontal tear strength difference is little.And in traditional stone paper technological process of production, obtaining curtain coating, calendering technology, the tearability of its vertical and horizontal of papery that produce is obviously variant.
5, by implement the present invention, the paper wood thing U.S. that produces of fine quality, be widely used.Waste and old paper wood can reclaim and carry out second stage employ, and realization is turned waste into wealth, and lengthening manufacturing chain more makes the Sustainable development of industry be able to effective guarantee.
6, by implementing the present invention, be more conducive to novel paper wood---the batch production of stone paper, stdn, mass-producing, intensive production.
Embodiment
Below in conjunction with embodiment, method of the present invention is further illustrated.
A kind of stone paper and preparation method thereof, embodiment is as follows:
Embodiment 1:
1, according to the raw material of following composition and proportioning: 90 parts of water-ground limestones, 2 parts of high density polyethylene(HDPE)s, 2 parts of metallocene PEs, 2 parts of Aluminates, 1.0 parts of polyethylene waxs, 1.0 parts of stearic acid, 1.0 parts, oxidation inhibitor, EBS1.0 part.By the standby various raw materials position that is fitted on.
2, produce according to following technical process: by above-mentioned water content be first 0.3%, specification is 800 order water-ground limestones and surface treatment agent poly----it is even by high-speed stirring that ethylene waxes, stearic acid, oxidation inhibitor, EBS and coupling agent Aluminate are sent into homogenizer in order, and object is to utilize surface treatment agent, coupling agent to carry out activation modification to calcium carbonate; Then adding density is 0.95 gram/cm
3, hardness is that 65 high density polyethylene(HDPE) and density are 0.935 gram/cm
3, fusing point is that 130 ℃ of metallocene PEs are uniformly mixed; After above-mentioned raw materials combination, be first by polymer-extruded granulation, extruding pelletization processing temperature is to be extruding pelletization from 180 ℃, 190 ℃, 195 ℃, 200 ℃, 205 ℃, 210 ℃, 215 ℃, 220 ℃, 220 ℃ processes successively from the first district Dao 9th district; Then extrude curtain coating, extrude curtain coating processing sections spiro rod section processing temperature and be successively 170 ℃, 190 ℃, 195 ℃, 200 ℃, 205 ℃, 210 ℃, 215 ℃, 220 ℃, 220 ℃ from the first district Dao 9th district and increase progressively, the processing temperature of T-shaped die head is to extrude curtain coating 210 ℃, 210 ℃, 205 ℃, 200 ℃, 205 ℃, 210 ℃, 210 ℃ processes successively from the firstth district to SECTOR-SEVEN; In three-roll press-polishing workshop section, the first roller is that 90 ℃, second roller are that 90 ℃, the 3rd roller are 75 ℃; In two-way stretch workshop section, longitudinal stretching multiple is that 4 times, cross directional stretch multiple are 2 times; The temperature of longitudinal stretching preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃, and the temperature of cross directional stretch preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃; Finally carry out corona treatment by corona machine two arrays of electrodes, processing power is to be all 12KW, finally makes stone paper.
Embodiment 2:
1, according to the raw material of following composition and proportioning: 80 parts of water-ground limestones, high density polyethylene(HDPE) part 10,5 parts of metallocene PEs, 1.8 parts of Aluminates, 0.7 part of polyethylene wax, 0.8 part of stearic acid, 0.7 part, oxidation inhibitor, EBS1.0 part.By the standby various raw materials position that is fitted on.
2, produce according to following technical process: by above-mentioned water content be first 0.25%, specification is 1250 order water-ground limestones and surface treatment agent poly----it is even by high-speed stirring that ethylene waxes, stearic acid, oxidation inhibitor, EBS and coupling agent Aluminate are sent into homogenizer in order, and object is to utilize surface treatment agent, coupling agent to carry out activation modification to calcium carbonate; Then adding density is 0.95 gram/cm
3, hardness is that 65 high density polyethylene(HDPE) and density are 0.935 gram/cm
3, fusing point is that 130 ℃ of metallocene PEs are uniformly mixed; After above-mentioned raw materials combination, be first by polymer-extruded granulation, extruding pelletization processing temperature is to be extruding pelletization from 180 ℃, 185 ℃, 190 ℃, 195 ℃, 200 ℃, 205 ℃, 210 ℃, 210 ℃, 215 ℃ processes successively from the first district Dao 9th district; Then extrude curtain coating, extrude curtain coating processing sections spiro rod section processing temperature and be successively 170 ℃, 180 ℃, 185 ℃, 190 ℃, 195 ℃, 200 ℃, 205 ℃, 210 ℃, 215 ℃ from the first district Dao 9th district and increase progressively, the processing temperature of T-shaped die head is to extrude curtain coating 205 ℃, 205 ℃, 200 ℃, 195 ℃, 200 ℃, 205 ℃, 205 ℃ processes successively from the firstth district to SECTOR-SEVEN; In three-roll press-polishing workshop section, the first roller is that 85 ℃, second roller are that 85 ℃, the 3rd roller are 70 ℃; In two-way stretch workshop section, longitudinal stretching multiple is that 5 times, cross directional stretch multiple are 2.5 times; The temperature of longitudinal stretching preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃, and the temperature of cross directional stretch preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃; Finally carry out corona treatment by corona machine two arrays of electrodes, processing power is to be all 14KW, finally makes stone paper.
Embodiment 3:
1, according to the raw material of following composition and proportioning: 75 parts of water-ground limestones, 14 parts of high density polyethylene(HDPE)s, 8 parts of metallocene PEs, 1.0 parts of Aluminates, 0.5 part of polyethylene wax, 0.5 part of stearic acid, 0.5 part, oxidation inhibitor, EBS0.5 part.By the standby various raw materials position that is fitted on.
2, produce according to following technical process: by above-mentioned water content be first 0.2%, specification is 1000 order water-ground limestones and surface treatment agent poly----it is even by high-speed stirring that ethylene waxes, stearic acid, oxidation inhibitor, EBS and coupling agent Aluminate are sent into homogenizer in order, and object is to utilize surface treatment agent, coupling agent to carry out activation modification to calcium carbonate; Then adding density is 0.95 gram/cm
3, hardness is that 65 high density polyethylene(HDPE) and density are 0.935 gram/c m
3, fusing point is that 130 ℃ of metallocene PEs are uniformly mixed; After above-mentioned raw materials combination, be first by polymer-extruded granulation, extruding pelletization processing temperature is to be extruding pelletization from 180 ℃, 185 ℃, 190 ℃, 195 ℃, 200 ℃, 205 ℃, 205 ℃, 210 ℃, 210 ℃ processes successively from the first district Dao 9th district; Then extrude curtain coating, extrude curtain coating processing sections spiro rod section processing temperature and be successively 170 ℃, 175 ℃, 180 ℃, 185 ℃, 190 ℃, 195 ℃, 200 ℃, 205 ℃, 210 ℃ from the first district Dao 9th district and increase progressively, the processing temperature of T-shaped die head is to extrude curtain coating 200 ℃, 200 ℃, 195 ℃, 190 ℃, 195 ℃, 200 ℃, 200 ℃ processes successively from the firstth district to SECTOR-SEVEN; In three-roll press-polishing workshop section, the first roller is that 70 ℃, second roller are that 70 ℃, the 3rd roller are 60 ℃; In two-way stretch workshop section, longitudinal stretching multiple is that 6 times, cross directional stretch multiple are 3 times; The temperature of longitudinal stretching preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃, and the temperature of cross directional stretch preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃; Finally carry out corona treatment by corona machine two arrays of electrodes, processing power is to be all 16KW, finally makes stone paper.
Claims (10)
1. stone paper and preparation method thereof, its feature comprises the steps:
(1) raw material composition: formed by water-ground limestone, high density polyethylene(HDPE), metallocene PE, Aluminate, polyethylene wax, stearic acid, oxidation inhibitor, EBS;
(2) technological process of production: first water-ground limestone, surface treatment agent, coupling agent are sent into homogenizer in order and stir, utilize surface treatment agent, coupling agent to carry out activation modification to calcium carbonate; Then add high density polyethylene(HDPE), metallocene PE to be uniformly mixed; After above-mentioned raw materials combination, polymkeric substance is by extruding pelletization, extrudes curtain coating, three-roll press-polishing, two-way stretch, corona treatment technique and makes stone paper.
2. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that feed composition weight is as follows:
(1) water-ground limestone: 75～90 parts;
(2) high density polyethylene(HDPE): 2～14 parts;
(3) metallocene PE: 2～8 parts;
(4) Aluminate: 1～2 part;
(5) polyethylene wax: 0.5～1.O part;
(6) stearic acid: 0.5～1.0 part;
(7) oxidation inhibitor: 0.5～1.O part;
(8) EBS:0.5～1.0 part.
3. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that described coupling agent is Aluminate, described tensio-active agent is polyethylene wax, stearic acid, EBS, and described oxidation inhibitor is Hinered phenols antioxidant.
4. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that the water content of described water-ground limestone is below 0.3%, specification is 800～2000 orders.
5. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that the density of described high density polyethylene(HDPE) is 0.923～0.95 gram/cm
3, hardness is more than 65; Described metallocene PE density is 0918～0.935 gram/cm
3, fusing point is 110～130 ℃.
6. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that extruding pelletization processing temperature is that from the first district Dao 9th district 180 ℃ are incremented to 220 ℃.
7. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that the temperature of extruding curtain coating processing sections is:
(1) processing temperature of spiro rod section is that from the first district Dao 9th district 170 ℃ are incremented to 210 ℃;
(2) processing temperature of T-shaped die head is 180～210 ℃, 170～210 ℃, 170～205 ℃, 170～200 ℃, 170～205 ℃, 170～210 ℃, 180～210 ℃ from the firstth district to SECTOR-SEVEN successively.
8. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that the temperature of three-roll press-polishing is:
(1) first roller is 75～90 ℃;
(2) second roller is 75～90 ℃;
(3) the 3rd rollers are 60～75 ℃.
9. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that in two-way stretch longitudinal stretching multiple be 1.0～12 times, cross directional stretch multiple be 1.0～1O doubly; The temperature of longitudinal stretching preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃, and the temperature of cross directional stretch preheating section is that 100～140 ℃, stretch section temperature are that 110～140 ℃, the temperature of cooling and shaping section are 60～130 ℃.
10. according to a kind of stone paper described in claim 1 and preparation method thereof, it is characterized in that it is two groups that described corona treatment is processed electrode, processing power is 12～20KW.
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| CN104277473A (en) * | 2014-10-27 | 2015-01-14 | 邢安石 | Straw-talcum powder paper and manufacturing method thereof |
| CN106496742A (en) * | 2016-11-03 | 2017-03-15 | 鸿圣（江西）彩印包装实业有限公司 | A kind of stone paper formula and the method for preparing the formula |
| CN113427800A (en) * | 2021-05-18 | 2021-09-24 | 深圳市石能新型环保材料有限公司 | Stone paper manufacturing process |
| WO2022169438A1 (en) * | 2021-07-09 | 2022-08-11 | Malynovskyy Viktor Vasylovych | Method of production of stone paper |
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