CN104626438A - Method for preparing fiber stone paper - Google Patents
Method for preparing fiber stone paper Download PDFInfo
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- CN104626438A CN104626438A CN201410840346.2A CN201410840346A CN104626438A CN 104626438 A CN104626438 A CN 104626438A CN 201410840346 A CN201410840346 A CN 201410840346A CN 104626438 A CN104626438 A CN 104626438A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a method for preparing fiber stone paper. Mineral fibers, wood fibers and resin powder are dispersed and form a doughy paste with a gelatinization matter. The paste has good ductility, an early form of the stone paper is formed by virtue of double-roller calendering at the temperature of 60-80 DEG C, the condition that the fiber structures of the mineral fibers and wood fibers in the stone paper are damaged is avoided, and the problem that the fibers are difficult to disperse in the stone paper is solved. According to the subsequent two-group three-roller calendering, the roller temperature is set to be 120-140 DEG C, so that the resin in the stone paper is plasticized and homogenized; and according to the adjustment of rotating speed difference of the two-group three-roller calendering, the stone paper is stretched, and the stone paper of the needed thickness is obtained. According to the preparation method, thermoplastic screw rod mixing is not needed, the fiber structures of the mineral fibers and wood fibers achieve a supporting effect in the stone paper, and the obtained fiber stone paper is high in stiffness, low in density and dispersed and uniform in paper surface.
Description
Technical field
The present invention is stone paper field, is specifically related to a kind of preparation method of fiber stone paper.
Background technology
Paper industry is considered to the industry of a contaminated environment, welding in the world, is also the rich and influential family of timber and energy resource consumption.China is a forest reserves country that there is a serious shortage in the supply, is all difficult to the fact breaking away from most of paper pulp fiber dependence on import for a long time.Owing to needing to adopt the operations such as boiling, bleaching, washing, drying in the production process of paper industry paper pulp, a large amount of waste gas and waste water can be discharged, cause the severe exacerbation of blowdown river basin ecological environment.Stone paper be with inorganic stone flour for primary raw material, add a small amount of thermoplastic macromolecule material and auxiliary agent, by banbury or screw extruder thermoplastic mixing, the environment-friendly type sheet paper products obtained through blowing or calendering.Process of plant fiber pulp that in process of production need not be traditional, does not have the discharge of waste water and waste gas.Therefore, substitute with environmentally-friendly stone paper the trend and direction that natural plant fibre papermaking is the development of current paper industry, be conducive to reducing the felling to trees, the ecological environment of the protection mankind.
China Patent Publication No. CN101328698 provides a kind of manufacture method of environment protecting paper, be that the auxiliary material of the mineral matter powder of 60-80%, the algin of 19-37% and 1-3% forms mixture by weight, mixture extruded, mixing with granulation after thus make finished product raw material.The thermoplastic in paper film maker of finished product raw material, forms paper film through air pressure hoist, makes paper after shaping and cooling is dried by biaxial tension.
China Patent Publication No. CN1651649 discloses a kind of preparation method of environment-friendly novel synthetic paper.Synthetic paper is made up of 30-50% polyolefin blends, 40-60% natural inorganic mineral powder and 5-10% auxiliary agent.Natural inorganic mineral powder and vector resin first through double screw extruder granulation, make master batch, again master batch is mixed with polyolefin blend and auxiliary agent, through double screw extruder, the extrusion of T-shaped die head, two roller stretch forming equipment, make the environmental protection paper of different-thickness.The most high-load of this environment protecting paper inorganic mineral powder only has 60%, can not become real stone paper, just a kind of synthetic paper.
China Patent Publication No. CN101851365A stone paper and manufacture method thereof, this invention is by low density polyethylene (LDPE) 6 ~ 12 parts, LLDPE 6 ~ 12 parts, PUR 3 ~ 6 parts, titanium dioxide 5 ~ 10 parts, powdered whiting 65 ~ 75 parts, silane coupler 3 ~ 5 parts, stearic acid 0.5 ~ 1.5 part, epoxy plasticizer 0.5 ~ 1.5 part, Tissuemat E 0.2 ~ 0.6 part mixing, send into 165-170 DEG C of Plasticator plasticizings, 155-170 DEG C of extruder curtain coating, 165 ~ 170 DEG C of four-roll calendarings and obtaining.
Chinese invention patent publication number CN102154931A discloses a kind of stone paper and processing method.Wherein stone paper is made up of the organic component of the weight portion of 15-30 and the inorganic component of 70-85 weight portion, is extruded obtained stone paper by banburying kneading, granulation, calender.
Mainly consist of inorganic particle due to stone paper, need to add thermoplastic macromolecule material as carrier, therefore, the shaping of stone paper needs to be extruded by hot milling to carry out blowing or calendering formation usually simultaneously.But because stone paper is based on inorganic particle, when utilizing banbury or screw extruder carries out mixing, the large energy consumption of equipment moment of torsion is high, and the uniformity is limited, be usually expressed as sheet processing flow difficulties when calendering formation, be difficult to the stone paper obtaining large fabric width, be evenly distributed.In order to increase the paper sense of stone paper, reducing stone paper density, improving stone paper printing absorbency, having occurred at present substituting ordinary calcium carbonate production stone paper with mineral fibres.Along with the application of mineral fibres raw material in stone paper, thermoplastic processing is more difficult, and carries out with banbury or screw extruder that thermoplastic is mixing can cause fibre structure impaired due to shearing.
Summary of the invention
Stone paper needs to utilize screw extruder before the forming, it is mixing that banbury carries out thermoplastic, in order to avoid the mineral fibres in stone paper, wood fibre fibre structure when thermoplastic is mixing is destroyed, and in order to solve the defect of fiber difficulties in dispersion in stone paper, the present invention proposes a kind of preparation method of fiber stone paper, this preparation method is by mineral fibres, wood fibre and powdex, dispersing aid directly carries out calendering formation stone paper by dispersion, mixing without the need to thermoplastic, guarantee mineral fibres, the fibre structure of wood fibre plays supporting role in stone paper, the stone paper deflection obtained is high, density is low, paper is uniformly dispersed.
A preparation method for fiber stone paper, is characterized in that concrete steps are carried out in the following manner:
1) by the mineral fibres 60-75 weight portion of fine-powdered, wood fibre 10-15 weight portion, resin powder 10-15 weight portion, dispersant 1-1.5 weight portion, brighten auxiliary agent 0-1 weight portion and add in pulverizing mill, setting pulverizing mill temperature 80-100 DEG C, with 1200-1500rpm speed high speed dispersion 5-10min, the high velocity air produced is rotated by pulverizing mill, the fiber of high velocity air and fine-powdered, resin powder is made to do to float in pulverizing mill to move, form turbulent condition, under mutual collision peptizaiton, fiber powder boundling is dispersed throughout and forms fiber dispersion powder;
2) esterification starch and water are mixed with the solution that concentration is 15%, add under 60-80 DEG C of condition and stir 3-5min formation gelatinization thing, by step 1) the fiber dispersion powder that obtains adds gelatinization thing, the quality mixture ratio of fiber dispersion and gelatinization thing is 8-9:1, is stirred to dough homogeneous paste;
3) by step 2) paste that obtains sends into two roll-in and prolongs, roller temperature 80-100 DEG C is set, sheet stone paper blank is formed by stack sizing, again by two groups of three-roller calendaring of follow-up setting, arranging roller temperature 120-140 DEG C makes the resin in stone paper plastify homogenizing, the fiber stone paper of acquisition desired thickness and stone paper stretches by the speed discrepancy passing through adjustment two groups of three-roller calendaring.
Above-mentioned preparation method, at least one in the sepiolite fibre that the mineral fibres described in step 1) is particle diameter 10-20 μm, length is 50-200 μm, brucite fiber, wollastonite fibre, gypsum fiber; Described wood fibre is 100-200 object rice husk, stalk, wood chip, bamboo bits plant fiber powder; Described toner is at least one of granularity in 80-100 object polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyurethane, polyamide; Described dispersant is at least one in isostearoyl base isopropyl titanate, laurate, sodium dioctyl sulfosuccinate, sodium phosphate, sodium sulfovinate; Described brightening agent is at least one in titanium dioxide, blanc fixe, lithopone.
Above-mentioned preparation method, step 2) described in esterification starch be at least one in phosphate ester starch, starch sulfate, acetic starch, starch stearate.
Above-mentioned preparation method, pulverizing mill described in step 1) is vertical air-flow pulverizing mill, the rotor of High Rotation Speed forms high velocity air, under the impact that high velocity air is formed, fiber powder is fluidization, realize the boundling shape dispersion to fiber powder and activation modification, thus form finely dispersed fiber dispersion powder with resin-oatmeal body.
It is mixing that stone paper shaping needs to utilize banbury or screw extruder to carry out thermoplastic, then formed by calendering formation.Because the main component in stone paper is inorganic particle, therefore hot-working poor fluidity, causes stone paper processing difficulties, the uniformity to reduce.Especially along with the application of fibrous raw material in stone paper, process more difficult, and carry out with banbury or screw extruder that thermoplastic is mixing can cause fibre structure impaired due to shearing.The preparation method of a kind of fiber stone paper of the present invention, by mineral fibres, wood fibre and resin powder dispersion treatment, a kind of doughy paste is formed with gelatinization thing, this paste has good ductility, prolonged by two roll-in at 60-80 DEG C of temperature and form stone paper blank, avoid the mineral fibres in stone paper, the fibre structure of wood fibre is destroyed, solve the problem of fiber difficulties in dispersion in stone paper.By two groups of three-roller calendaring of follow-up setting, roller temperature 120-140 DEG C is set and makes the resin in stone paper plastify homogenizing, and obtain stretching by the rotating speed official post stone paper of adjustment two groups of three-roller calendaring, obtain the stone paper of desired thickness.
The preparation method of a kind of fiber stone paper of the present invention, compared with prior art, its outstanding feature and excellent effect are:
1, the preparation method of a kind of fiber stone paper of the present invention, mixing without the need to being carried out thermoplasticity by banbury or screw extruder, avoid shear property model fiber, make the fibre structure that fibrous raw material in stone paper keeps good, fibre structure plays supporting role in stone paper, and the stone paper deflection obtained is high, density is low.
2, the preparation method of a kind of fiber stone paper of the present invention, fiber dispersion powder and gelatinization thing is made to be mixed with dough homogeneous paste, there is good ductility, thermoplasticity and available pair of roll-in is not needed to prolong uniformly sheet stone paper blank, solve the problem that fiber stone paper is difficult to disperse, can the uniform large fabric width stone paper of production distribution.
3, the preparation method of a kind of fiber stone paper of the present invention, owing to not needing hot milling, therefore energy consumption is lower, is suitable for large-scale production.
Detailed description of the invention
Below by way of detailed description of the invention, the present invention is described in further detail, but this should be interpreted as scope of the present invention is only limitted to following example.When not departing from said method thought of the present invention, the various replacement made according to ordinary skill knowledge and customary means or change, all should be within the scope of the present invention.
embodiment 1
1) by sepiolite fibre 75 weight portion of fine-powdered, stalk wood fibre 15 weight portion, granularity 100 object polyethylene 10 weight portion, sodium dioctyl sulfosuccinate 1 weight portion, brightening auxiliary agent blanc fixe 1 weight portion adds in pulverizing mill, setting pulverizing mill temperature 80-100 DEG C, with 1200rpm speed high speed dispersion 5min, the high velocity air produced is rotated by pulverizing mill, make the fiber of high velocity air and fine-powdered, resin powder does motion of floating in pulverizing mill, form turbulent condition, under mutual collision peptizaiton, fiber powder boundling is dispersed throughout and forms fiber dispersion powder,
2) phosphate ester starch and water are mixed with the solution that concentration is 15%, add under 60-80 DEG C of condition and stir 5min formation gelatinization thing, by step 1) the fiber dispersion powder that obtains adds gelatinization thing, and the quality mixture ratio of fiber dispersion and gelatinization thing is 8:1, is stirred to dough homogeneous paste;
3) by step 2) paste that obtains sends into two roll-in and prolongs, roller temperature 100 DEG C is set, sheet stone paper blank is formed by stack sizing, again by two groups of three-roller calendaring of follow-up setting, arranging roller temperature 120 DEG C makes the resin in stone paper plastify homogenizing, the fiber stone paper of acquisition desired thickness and stone paper stretches by the speed discrepancy passing through adjustment two groups of three-roller calendaring.
Its performance test is in table 1.
embodiment 2
1) by brucite fiber 60 weight portion of fine-powdered, bamboo bits plant fiber powder 15 weight portion, granularity is at 80 object polyvinyl chloride 15 weight portions, dispersant isostearoyl base isopropyl titanate 1.5 weight portion, brightening auxiliary agent lithopone 0.5 weight portion adds in pulverizing mill, setting pulverizing mill temperature 100 DEG C, with 1500rpm speed high speed dispersion 10min, the high velocity air produced is rotated by pulverizing mill, make the fiber of high velocity air and fine-powdered, resin powder does motion of floating in pulverizing mill, form turbulent condition, under mutual collision peptizaiton, fiber powder boundling is dispersed throughout and forms fiber dispersion powder,
2) starch sulfate and water are mixed with the solution that concentration is 15%, add under 80 DEG C of conditions and stir 4min formation gelatinization thing, by step 1) the fiber dispersion powder that obtains adds gelatinization thing, and the quality mixture ratio of fiber dispersion and gelatinization thing is 9:1, is stirred to dough homogeneous paste;
3) by step 2) paste that obtains sends into two roll-in and prolongs, roller temperature 100 DEG C is set, sheet stone paper blank is formed by stack sizing, again by two groups of three-roller calendaring of follow-up setting, arranging roller temperature 120 DEG C makes the resin in stone paper plastify homogenizing, the fiber stone paper of acquisition desired thickness and stone paper stretches by the speed discrepancy passing through adjustment two groups of three-roller calendaring.
Its performance test is in table 1.
embodiment 3
1) wollastonite fibre 75 weight portion of fine-powdered, rice hull cellulose powder 10 weight portion, granularity 100 object polystyrene 12 weight portion, dispersant sodium dioctyl sulfosuccinate 1.5 weight portion are added in pulverizing mill, setting pulverizing mill temperature 900 DEG C, with 1300rpm speed high speed dispersion 8min, the high velocity air produced is rotated by pulverizing mill, the fiber of high velocity air and fine-powdered, resin powder is made to do to float in pulverizing mill to move, form turbulent condition, under mutual collision peptizaiton, fiber powder boundling is dispersed throughout and forms fiber dispersion powder;
2) acetic starch and water are mixed with the solution that concentration is 15%, add under 70 DEG C of conditions and stir 3min formation gelatinization thing, by step 1) the fiber dispersion powder that obtains adds gelatinization thing, and the quality mixture ratio of fiber dispersion and gelatinization thing is 8:1, is stirred to dough homogeneous paste;
3) by step 2) paste that obtains sends into two roll-in and prolongs, roller temperature 100 DEG C is set, sheet stone paper blank is formed by stack sizing, again by two groups of three-roller calendaring of follow-up setting, arranging roller temperature 140 DEG C makes the resin in stone paper plastify homogenizing, the fiber stone paper of acquisition desired thickness and stone paper stretches by the speed discrepancy passing through adjustment two groups of three-roller calendaring.
Its performance test is in table 1.
embodiment 4
1) by gypsum fiber 70 weight portion of fine-powdered, wood fiber powder 15 weight portion, 100 object polyamide powder 10 weight portions, dispersant sodium sulfovinate 1 weight portion, brightening auxiliary agent blanc fixe 1 weight portion adds in pulverizing mill, setting pulverizing mill temperature 80 DEG C, with 1400rpm speed high speed dispersion 10min, the high velocity air produced is rotated by pulverizing mill, make the fiber of high velocity air and fine-powdered, resin powder does motion of floating in pulverizing mill, form turbulent condition, under mutual collision peptizaiton, fiber powder boundling is dispersed throughout and forms fiber dispersion powder,
2) starch stearate and water are mixed with the solution that concentration is 15%, add under 60 DEG C of conditions and stir 3min formation gelatinization thing, by step 1) the fiber dispersion powder that obtains adds gelatinization thing, and the quality mixture ratio of fiber dispersion and gelatinization thing is 9:1, is stirred to dough homogeneous paste;
3) by step 2) paste that obtains sends into two roll-in and prolongs, roller temperature 100 DEG C is set, sheet stone paper blank is formed by stack sizing, again by two groups of three-roller calendaring of follow-up setting, arranging roller temperature 120 DEG C makes the resin in stone paper plastify homogenizing, the fiber stone paper of acquisition desired thickness and stone paper stretches by the speed discrepancy passing through adjustment two groups of three-roller calendaring.
Its performance test is in table 1.
The fiber stone paper performance that table 1 embodiment 1-4 obtains
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Art paper |
| Paper density (g/cm 3） | 0.74 | 0.76 | 0.72 | 0.79 | 0.71 |
| Folding strength (secondary) | 3580 | 4433 | 3157 | 4893 | 632 |
| Tearability (mN) | 1259 | 1225 | 1300 | 1710 | 385 |
| Deflection (mN.m) | 3.52 | 3.77 | 3.85 | 3.93 | 0.9 |
Claims (4)
1. a preparation method for fiber stone paper, is characterized in that: concrete steps are carried out in the following manner:
1) by the mineral fibres 60-75 weight portion of fine-powdered, wood fibre 10-15 weight portion, resin powder 10-15 weight portion, dispersant 1-1.5 weight portion, brighten auxiliary agent 0-1 weight portion and add in pulverizing mill, setting pulverizing mill temperature 80-100 DEG C, with 1200-1500rpm speed high speed dispersion 5-10min, the high velocity air produced is rotated by pulverizing mill, the fiber of high velocity air and fine-powdered, resin powder is made to do to float in pulverizing mill to move, form turbulent condition, under mutual collision peptizaiton, fiber powder boundling is dispersed throughout and forms fiber dispersion powder;
2) esterification starch and water are mixed with the solution that concentration is 15%, add under 60-80 DEG C of condition and stir 3-5min formation gelatinization thing, by step 1) the fiber dispersion powder that obtains adds gelatinization thing, the quality mixture ratio of fiber dispersion and gelatinization thing is 8-9:1, is stirred to dough homogeneous paste;
3) by step 2) paste that obtains sends into two roll-in and prolongs, roller temperature 80-100 DEG C is set, sheet stone paper blank is formed by stack sizing, again by two groups of three-roller calendaring of follow-up setting, arranging roller temperature 120-140 DEG C makes the resin in stone paper plastify homogenizing, the fiber stone paper of acquisition desired thickness and stone paper stretches by the speed discrepancy passing through adjustment two groups of three-roller calendaring.
2. the preparation method of a kind of fiber stone paper according to claim 1, is characterized in that: at least one in the sepiolite fibre that the mineral fibres described in step 1) is particle diameter 10-20 μm, length is 50-200 μm, brucite fiber, wollastonite fibre, gypsum fiber; Described wood fibre is 100-200 object rice husk, stalk, wood chip, bamboo bits plant fiber powder; Described toner is at least one of granularity in 80-100 object polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyurethane, polyamide; Described dispersant is at least one in isostearoyl base isopropyl titanate, laurate, sodium dioctyl sulfosuccinate, sodium phosphate, sodium sulfovinate; Described brightening agent is at least one in titanium dioxide, blanc fixe, lithopone.
3. the preparation method of a kind of fiber stone paper according to claim 1, it is characterized in that: the pulverizing mill described in step 1) is vertical air-flow pulverizing mill, the rotor of High Rotation Speed forms high velocity air, under the impact that high velocity air is formed, fiber powder is fluidization, realize the boundling shape dispersion to fiber powder and activation modification, thus form finely dispersed fiber dispersion powder with resin-oatmeal body.
4. the preparation method of a kind of fiber stone paper according to claim 1, is characterized in that: step 2) described in esterification starch be at least one in phosphate ester starch, starch sulfate, acetic starch, starch stearate.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105113323A (en) * | 2015-07-31 | 2015-12-02 | 杜德光 | Stone paper and preparation method therefor |
| CN105128360A (en) * | 2015-07-30 | 2015-12-09 | 成都新柯力化工科技有限公司 | Flexible inorganic fiber paper and making method thereof |
| CN105152578A (en) * | 2015-08-31 | 2015-12-16 | 成都新柯力化工科技有限公司 | Method for manufacturing stone paper from mineral fibers |
| CN105153515A (en) * | 2015-08-31 | 2015-12-16 | 成都新柯力化工科技有限公司 | Preparation method of stone paper with mineral fibers |
| CN105239451A (en) * | 2015-08-31 | 2016-01-13 | 成都新柯力化工科技有限公司 | Preparation method of mineral fiber for papermaking |
| CN105297431A (en) * | 2015-10-30 | 2016-02-03 | 成都新柯力化工科技有限公司 | Modification method for flexible wollastonite fiber |
| CN105482300A (en) * | 2015-12-23 | 2016-04-13 | 成都新柯力化工科技有限公司 | High-stiffness composite packaging paper and preparation method thereof |
| CN105504490A (en) * | 2015-12-22 | 2016-04-20 | 成都新柯力化工科技有限公司 | Method for preparing ecological plastic |
| CN105544206A (en) * | 2015-12-23 | 2016-05-04 | 成都新柯力化工科技有限公司 | A modifying method of soft wollastonite fibers |
| CN105860461A (en) * | 2016-06-24 | 2016-08-17 | 北京科方创业科技企业孵化器有限公司 | Preparation method of completely-degradable stone paper |
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| CN103483681A (en) * | 2010-09-09 | 2014-01-01 | 黄俊腾 | Preparation method of recyclable and reusable stone paper |
| CN102154949B (en) * | 2010-09-09 | 2014-10-15 | 黄俊腾 | Method for manufacturing recyclable and reusable stone paper |
| CN102225576A (en) * | 2011-04-18 | 2011-10-26 | 贺红文 | Full-automatic stone papermaking production process |
| CN102320074B (en) * | 2011-09-14 | 2014-05-28 | 黄俊腾 | Manufacturing method of environment-friendly inorganic paper |
| CN102673061A (en) * | 2012-05-18 | 2012-09-19 | 王甦之 | Double-layer food-grade stone paper and manufacturing method thereof |
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| CN105128360A (en) * | 2015-07-30 | 2015-12-09 | 成都新柯力化工科技有限公司 | Flexible inorganic fiber paper and making method thereof |
| CN105113323A (en) * | 2015-07-31 | 2015-12-02 | 杜德光 | Stone paper and preparation method therefor |
| CN105152578A (en) * | 2015-08-31 | 2015-12-16 | 成都新柯力化工科技有限公司 | Method for manufacturing stone paper from mineral fibers |
| CN105153515A (en) * | 2015-08-31 | 2015-12-16 | 成都新柯力化工科技有限公司 | Preparation method of stone paper with mineral fibers |
| CN105239451A (en) * | 2015-08-31 | 2016-01-13 | 成都新柯力化工科技有限公司 | Preparation method of mineral fiber for papermaking |
| CN105153515B (en) * | 2015-08-31 | 2017-12-12 | 马鞍山市欧凯包装材料有限公司 | A kind of preparation method of mineral fibres stone paper |
| CN105297431B (en) * | 2015-10-30 | 2017-12-12 | 江苏锡沂高新区科技发展有限公司 | A kind of method of modifying of flexible wollastonite fibre |
| CN105297431A (en) * | 2015-10-30 | 2016-02-03 | 成都新柯力化工科技有限公司 | Modification method for flexible wollastonite fiber |
| CN105504490A (en) * | 2015-12-22 | 2016-04-20 | 成都新柯力化工科技有限公司 | Method for preparing ecological plastic |
| CN105482300A (en) * | 2015-12-23 | 2016-04-13 | 成都新柯力化工科技有限公司 | High-stiffness composite packaging paper and preparation method thereof |
| CN105482300B (en) * | 2015-12-23 | 2017-05-31 | 平湖荣成环保科技有限公司 | A kind of high-stiffness composite packaging paper and preparation method thereof |
| CN105544206A (en) * | 2015-12-23 | 2016-05-04 | 成都新柯力化工科技有限公司 | A modifying method of soft wollastonite fibers |
| CN105860461A (en) * | 2016-06-24 | 2016-08-17 | 北京科方创业科技企业孵化器有限公司 | Preparation method of completely-degradable stone paper |
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Effective date of registration: 20230619 Address after: No.42 Fengxiang Road, Gujian village committee, Daliang sub district office, Shunde District, Foshan City, Guangdong Province 528300 Patentee after: Foshan Shunde Shengshi Qunli Packaging Printing Co.,Ltd. Address before: 610091, Sichuan, Chengdu province Qingyang dragon industrial port, East Sea 4 Patentee before: CHENDU NEW KELI CHEMICAL SCIENCE Co.,Ltd. CHINA |