CN1381521A - Process for preparing synthetic polyolefin paper - Google Patents
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- CN1381521A CN1381521A CN 01110789 CN01110789A CN1381521A CN 1381521 A CN1381521 A CN 1381521A CN 01110789 CN01110789 CN 01110789 CN 01110789 A CN01110789 A CN 01110789A CN 1381521 A CN1381521 A CN 1381521A
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Abstract
A synthetic polyolefin paper is prepared from polyolefin resin, filler, coupling agent, antistatic agent, lubricant and pigment through proportioning, kneading, then banburying or extruding mixing, filtering, then calendering for shaping, stretching width, rolling pattern, corona treating, removing static electricity, coating, cutting and winding.
Description
The present invention is the manufacture method of polyolefin synthetic paper, belongs to the synthetic paper manufacturing technology.
The used raw material of traditional paper technology is mainly timber, China is again the serious deficient countries of forest reserves, adopt the plant plait fiber papermaking, can cause water resource waste and severe environmental pollution, be again to cause China's flood for years particularly because of the denudation, the major cause of soil erosion, now, the honest row of trying hard to recommend of country is conceded the land to forestry and grass, the policy of preserving the ecological environment, as the timber of papermaking main raw material not only price go up successively, and quantity can be fewer and feweri, in recent years, along with progress of science and technology and fast development, various high performance synthetic papers are monopolized by a few countries and area, at present in the world purely with paper application and on many performances, surmount the synthetic paper production company of wood pulp paper, mostly adopt the hot melt spray silky fibre bonding calendaring technology that overlaps, the three-layer co-extruded drawing process of T pattern, the T pattern is extruded the three layers of recombining process that stretch, extrude curtain coating heat coating calendaring technology or adopt L special rolling press of type five rollers and mixing usefulness to match the planetary screw extrusion press (multistage of employing mixing extruder is also arranged) of answering, hot rolling refining machine etc., deflect from by drawing the vertical unilateral stretching method of wheel etc. of getting through calendering, to sum up producing process and auxiliary facility thereof, essence, greatly; Investment mostly needs to be had then technology is holded in close confidence more than several hundred million units; Only sell product, do not sell equipment and software, the software engineering transfer is charged high, the commercially available synthetic paper of domestic batch is at present all with the foreign exchange import, not only equipment is very expensive and adopt above-mentioned technology, and also more complicated of technology, efficient is low, and product cost all is higher than plain paper 3-10 doubly, and adopting the made synthetic paper of rolling process unilateral stretching technology showing to tear strength difference in length and breadth, use and secondary processing are used and all are restricted.
The purpose of this invention is to provide a kind of polyolefin resin that utilizes and produce water-fast, oil resistant, mildew-resistant, waterproof, mildew-resistant, mothproof, high two-way extension rate, easily write the method for the synthetic paper of printing, particularly can utilize the existing home products polyvinyl chloride that supply exceed demand (PVC) film rolling production line to improve slightly and can put into production.
The manufacture method of polyolefin synthetic paper of the present invention, it is characterized in that: at first polyolefin resin, compound, static inhibitor, coupling agent, lubricant, tinting material are dropped in the high speed kneader after metering and mediate, then through banburying, open thick, be refined into extrude mixing, delivering to the rolling press calendering formation after the filtration is vertically deflected to expander by doff roll and carries out horizontal expanding, behind embossing, send into the cooling unit again, make the diaphragm cooling forming.Can directly carry out corona, coating, detection after the moulding, in length and breadth to cutting or batching, also can carry out central coiling earlier, carry out the hot leveling of off-line, corona, coating, detection again, in length and breadth to cutting or batching.
The present invention can adopt traditional contrary " L " type four rollers or " Z " type, descend feeding type five, six roller polyvinyl chloride film production lines; banburying wherein, thick refining, refining process also usable satellite formula screw extrusion press or multistage mixing roll are finished; and before calendering, filter with 60 orders and the two-layer filtering net of 80 orders; like this to protecting accurate stretcher roll surface favourable, other as coarse adjustment roller spacing, connect that the band method is drawn film, cooled back the startup of lighter group, rolling, cut ear material etc. and be as good as with traditional operation.After the clout adjustment is fit between II to be looked, III roller and III, IV roller, deflect from device from the IV roller via reducing heat, its temperature control is identical with the IV roller or low 5 ℃; Differential surface speed is 1: 1.5-1: 2.5, deflect from the back longitudinal stretching hotting mask under the hot state of viscosity flow immediately with belt clipping expander by 1: 1.5-1: enter embossing roller group behind 2.5 cross directional stretchs immediately, the clipping expander of this belt is " eight " font, and it goes into, go out angle and width is adjustable.
The present invention adopts olefin polymer, comprise polyethylene, ethene and alpha-olefin (propylene, butylene or octene) multipolymer, polypropylene, (as it is high temperature resistant to look product requirement to select ratio of mixture part by the end-use requirement, low temperature resistant dashing by force, elongation, tear strength, folding resistance etc..) choose the 2-3 kind and calculate with 100PHR, the mobile speed MI of various resin melt is advisable with 0.3-8.0, for improving melt viscosity, yield strength, rigidity, tear strength, extend and toughness, the ethene and the alpha-olefin (propylene that add 10-50PHR, butylene or octene) multipolymer, MI selects for use between the 0.25-5.0.
The adding of weighting agent can improve melt viscosity, paper voltinism, printing writing property, dimensional stability and reduction product cost.The weighting agent kind that can add is more, and the present invention adopts comminuting method or precipitator method calcium carbonate superfine powder, 0.05 micron of median size.For increasing its active group, the affinity interaction of raising and resin adopts the surface-treated activated calcium carbonate can reduce the cooperation ratio of coupling agent of the present invention.Weighting agent is according to its product performance, purposes requirement, and addition can be from 0-300PHR, and this also is that this patent adopts the calendering stretch processes to be better than the outstanding feature of T pattern expressing technique, does not use compounds such as wood powder, paper powder to guarantee environment protection significance.
When the weighting agent that adopts ultra-fine grain diameter, on-surface-active to handle; the present invention uses titante coupling agent; as isopropyl triisostearoyl titanate (TTS), three oleoyl isopropyl titanates (OL-T951) or isopropyl tri (dioctylpyrophosphato)titanate (NDZ-201) etc.; produce winding for reaching, mostly be long-chain olefin base (C with the polymer molecule interchain
12-C
18), can change the surface energy of inorganics interface, improve molten materials viscosity, consumption is 1.0-4.0PHR.
For the internal friction between the reduction processing molten materials molecule and external friction, the oxidation adhesion effect on melt and processor surface, add an amount of lubricating auxiliary agent, press lubricants such as normally used lipid acid and ester class thereof, metallic soap class, hydro carbons.When selecting lubricant, except that considering inside and outside subtracting the wiping effect suitably, still should select the consistency of itself and material, be difficult for causing and ooze out displacement, fouling or influence heat sealability and surface gloss; Calcium stearate is containing titanium dioxide (TiO
2) as painted, covering, screener and time spent, easily producing the product variable color, should avoid using.Lubricant of the present invention is general with measuring 0.2-10PHR.
The present invention does not have harsh requirement to tinting material, as long as its performance (no matter being pigment and dyestuff), in product processing or use its dispersiveness, consistency, heat-resisting and light stability, vividness, covering shielding, contact transport property,, high comprehensive performance such as nothing smell nontoxic, tasteless, and cheap getting final product with Food Contact.Because of the present invention in development, exploitation, sales process, the user requires white to the greatest extent, so the median size 0.3-0.5 micron that adopts, relative density 4.25, refractive index 2.7 rutile titanium dioxides are main more, other is as lithopone, zinc oxide etc. and TiO
2Be used.Ultramarine has as toning agent also the time uses.Titanium dioxide has abradability to accurate roller surface, to the ultra-thin or bigger situation of setting main frame technology roller speed ratio difference, cuts and it should be noted that batching should not surpass 0-15PHR especially.
Below as follows with regard to rolling press of the present invention and subsidiary engine apparatus and process process description thereof:
(1) rolling press is contrary L type four rollers or Z type, right anti-L type five, the six roller silicon controlled rectifier direct current lists of feeding type drive down, the roller structure is boring formula (D formula) wrought alloy defibrator process processing, for guarantee synthetic paper product thickness precision (± 0.005mm), the roller Young's modulus should be greater than 2.0 * 10
6Kg/cm
2Preferable rigidity.Cast iron, brasses axle bush, steam-heated rubber stretcher roll that the sort of cavity (B formula) tradition is outmoded should not use.Roller heating carrier superheated water, circulating hot oil all can.It is that 65-75m/min controls automatically that quick passage critical speed is produced synthetic paper.The roller working-surface temperature difference is 1 ℃; Working temperature is looked formulating of recipe: as with polyethylene, ethene and alpha-olefin (propylene, butylene or octene) multipolymer serving as the synthetic paper of the low temperature resistant anti-impact of main processing, high elongation rate, beginning roller temperature is set 160--165 ℃; And based on 25--30 ℃ of the corresponding increase of formulating of recipe of PP, PE raw material be advisable (should according to the distinct device structure, for reference).
(2) doff roll (TAKE-OFF ROLL): be that four reducing Φ 230mm and Φ 150mm form, the deep fat heating is about 1 with IV roller stretch ratio: 1.5-1: 2.5 (pressing the expanding cross directional stretch than setting).
(3) embossing roller (EMBOSSING): the equipment that the present invention uses is provided with two groups of graining devices, and promptly Φ 300 * 2500mm is used for indulging stretching embossing before the horizontal stretching; Φ 450 * 4600mm is used for horizontal stretching back embossing, is frosted steel rider and silica gel roller and forms (also suitable as two gold doping emery silica gel rollers).
(4) cooling unit: (COOLING TRAIN): form by eight Φ 560 * 4600mm running rollers, plating hard chromium on surface, interlayer leads to water coolant, and only the interlayer of VII, VIII roller can lead to water coolant, steam two-purpose, and the application of internal stress and other purpose is eliminated in tempering.
To sum up roll the sheerly traditional polyvinyl chloride mantle calendering unit equipment of unit (comprising X-ray thickness gauge X), can be completely achieved the following calendering two-way stretch method polyolefine environmental protection synthetic paper process for processing needs of thickness 0.05-0.12mm.If process thicker goods, should be equipped with one two, three station central coiling machines, two, three last volumes are cutd open by specification requirement one in the back that stretches, as former be hard PVC diaphragm production line, can utilize existing equipment.Both sides are adopted the pneumatic side retracting device that batches of tension control in one's ear.But so two-way or unilateral stretching diaphragm of the present invention's a tractor serves several purposes processing various material.
Because the high insulating property of polyolefine material and the friction in forming operation, shearing processing condition, the very high static charge that has a resistance inevitably causes the charged dust suction of diaphragm, influences quality product.The present invention adopts complete surperficial low electrical resistant material ground connection take-up gear and the ad hoc Destaticizing device that 13-20KVA power is installed on the severing line before the press production line rolling, the volume resistance of goods can be reduced to 10 substantially
9-10Ohm/cm as needs, can add hydroxyethyl alkylamine, high fat alcohol and the title complex thereof of 0-6PHR, as the HZ-1 static inhibitor in raw material cooperates.
The present invention adopts olefin polymer, by end-use, select inorganic salt, oxide compound, the weighting agent of certain umber, assistant processes with the auxiliary agent system of mixing, do not use timber, plant fiber material in the product, be beneficial to environmental protection, exhaust emission waste water not in the production is so really be considered as revolutionary product that the novel material of human environmental protection cause, paper-making industry is used.
The manufacture method of polyolefin synthetic paper of the present invention need not adopt special calendering unit, and calendering is after doff roll, expander carry out vertically, laterally two-way stretch or heat deflect from longitudinal stretching afterwards; Mixing process also can adopt traditional polyvinyl chloride press production line to finish before the calendering, through metering, high speed kneading, banburying, open thick, refining, filtration, roll, deflect from expanding two-way stretch or heat and deflect from embossing before longitudinal stretching, embossing (or exempting from embossing), tempering cooling, the rolling of ear material, surface or central coiling machine batch.So its products molecule orientation is even, multidirectional, product does not need painstakingly to mark " silk to " (vertically) mark, makes things convenient for the printing industry use greatly.Other, the present invention's its characteristics in addition is: Corona Surface Treatment is non-online (OFF-LINE) surface treatment, and its purpose is:
(1) do not need printing, products such as processing disposable food or beverage container etc. as the user, when adopting the continuous vacuum forming plastic suction forming apparatus to use whole bundle coiled material, when can be for being finished product;
(2) need use sheet material as the user, by the present invention's design another " slitter line automatically ", press the customer requirements specification behind hot leveling behind the off-line, longitudinal and transverse severing becomes sheet material, can cut down finished cost like this.
(3) the bundle product that batches at press production line supplies the user as the synthetic paper application target as need, can send into " slitter line automatically " in connecing before order dispatches from the factory, and through hot leveling rear surface corona treatment, can become whole bundle coiled material by the customer requirements rewinding; Also specification cutting edge on request, vertically cut, laterally fitly be cut into automatically sheet material, shorten surface corona so greatly and handle the back to the storage time of using before printing, reduce moistened surface tension force with prolonging the fraud that reduces storage time, improve printing effect (surface tension can reach 50dnye/cm)
The synthetic paper that the present invention produces to thickness, the requirement of width transitivity purposes, can be made into books and periodicals, journal surface, folder, printing geographic map, traffic for tourism figure, military maritime affairs figure, advertisement, label, card, business card, oil resistant, water food product pack according to the user; Classes such as cigarette, wine, tea, medicine packing, nonexpondable handbag, information kit, fast mailbag of making things convenient for, and can be used for heavy packaging such as agricultural chemicals, chemical fertilizer, cement for bicomponent filament yarn non-woven fabrics or woven cloth.This synthetic paper is specially adapted to goods such as outdoor advertisement, Commercial goods labels, propaganda printing, and resistance of rainwater washing against, Exposure to Sunlight are worn out.
The present invention has accompanying drawing: Fig. 1 process flow sheet of the present invention.
Now be described as follows for embodiment and conjunction with figs.:
In order to understand content of the present invention, existing can making with following example explanation the inventive method printed the example of using polyolefin synthetic paper, but is not to limit scope of the present invention with this.
Example one,
Material name proportioning (PHR)
Polyethylene 30
Linear low density polyethylene 20
Polypropylene 50
Lime carbonate 100
Coupling agent 1.5
Static inhibitor 1.0
Fatty acid ester lubricant 0.8
Titanium dioxide 5
Send into the Banbury mixer banburying with the kneading of high speed kneader, deliver to open thick, refiner (temperature is set 130 ℃) then, mixing after, through the preposition cutter cutting admixtion of mill, become the strip shape, deliver to filter and filter, deliver to the rolling press moulding thereafter, the rolling press temperature is set in 185 ℃, speed difference furnishing 1.5-2.5m/min between each roller, the speed ratio of doff roll and format roll is 1: 1.5-1: 2.5, and the doff roll temperature is set in 150 ℃, and each roller speed is consistent.Expander and doff roll speed ratio are 1: 1.5-1: 2.5, behind embossing, send into the cooling unit, and 50 ℃ of chill-roll temperature, each roller speed is consistent, and makes the diaphragm cooling and shaping, batches through surface winder or central coiling machine.Product after batching is sent into automatic slitter line, through hot leveling processing, corona, coating, vertically cut, behind the horizontal cutting, counting vibration, consolidation are packed and are become finished product.
By the polyolefin synthetic paper made from upper type, can be made into engineering drawing paper, map paper.
Example two,
Material name proportioning (PHR)
Polyethylene 20
Linear low density polyethylene 10
Polypropylene 70
Lime carbonate 150
Coupling agent 2.0
Static inhibitor 0.5
Fatty acid ester lubricant 0.8
Titanium dioxide 3
Send into the Banbury mixer banburying with the kneading of high speed kneader, deliver to open thick, refiner (temperature is set 140 ℃) then, mixing after, through the preposition cutter cutting admixtion of mill, become the strip shape, deliver to filter and filter, deliver to the rolling press moulding thereafter, the rolling press temperature is set in 190 ℃, speed difference furnishing 1.5-2.5m/min between each roller, the speed ratio of doff roll and format roll is 1: 1.5-1: 2.5, and the doff roll temperature is set in 150 ℃, and each roller speed is consistent.Expander and doff roll speed ratio are 1: 1.5-1: 2.5, behind embossing, send into the cooling unit, and 50 ℃ of chill-roll temperature, each roller speed is consistent, and makes the diaphragm cooling and shaping, batches through surface winder or central coiling machine.Product after batching is sent into automatic slitter line, through hot leveling processing, corona, coating, vertically cut, behind the horizontal cutting, counting vibration, consolidation are packed and are become finished product.
By the polyolefin synthetic paper made from upper type, can be used for card, exploitation, shopping bag and generally write printing.
Example three,
Material name proportioning (PHR)
Polypropylene 80
Polyethylene 20
Lime carbonate 200
Coupling agent 1.5
Static inhibitor 1.0
Fatty acid ester lubricant 0.8
Titanium dioxide 5
Send into the Banbury mixer banburying with the kneading of high speed kneader, deliver to open thick, refiner (temperature is set 140 ℃) then, mixing after, through the preposition cutter cutting admixtion of mill, become the strip shape, deliver to filter and filter, deliver to the rolling press moulding thereafter, the rolling press temperature is set in 195 ℃, speed difference furnishing 1.5-2.5m/min between each roller, the speed ratio of doff roll and format roll is 1: 1.5-1: 2.5, and the doff roll temperature is set in 150 ℃, and each roller speed is consistent.Expander and doff roll speed ratio are 1: 1.5-1: 2.5, behind embossing, send into the cooling unit, and 60 ℃ of chill-roll temperature, each roller speed is consistent, and makes the diaphragm cooling and shaping, batches through surface winder or central coiling machine.Product after batching is sent into automatic slitter line, through hot leveling processing, corona, coating, vertically cut, behind the horizontal cutting, counting vibration, consolidation are packed and are become finished product.
Polyolefine environmental protection synthetic paper by making with upper type can be made into printing, card, backing plate, playing card, Commercial goods labels etc.
Example four,
Material name proportioning (PHR)
Linear low density polyethylene 30
Polypropylene 70
Lime carbonate 300
Coupling agent 2.0
Static inhibitor 0.5
Fatty acid ester lubricant 0.8
Titanium dioxide 8
Send into the Banbury mixer banburying with the kneading of high speed kneader, deliver to open thick, refiner (temperature is set 140 ℃) then, mixing after, through the preposition cutter cutting admixtion of mill, become the strip shape, deliver to filter and filter, deliver to the rolling press moulding thereafter, the rolling press temperature is set in 175 ℃, speed difference furnishing 1.5-2.5m/min between each roller, the speed ratio of doff roll and format roll is 1: 1.5-1: 2.5, and the doff roll temperature is set in 160 ℃, and each roller speed is consistent.Expander and doff roll speed ratio are 1: 1.5-1: 2.5, behind embossing, send into the cooling unit, and 50 ℃ of chill-roll temperature, each roller speed is consistent, and makes the diaphragm cooling and shaping, batches through surface winder or central coiling machine.Product after batching is sent into automatic slitter line, through hot leveling processing, corona, coating, vertically cut, behind the horizontal cutting, counting vibration, consolidation are packed and are become finished product.
By the polyolefin synthetic paper made from upper type, can be used for the packing of class article such as card, exploitation, food product pack and cigarette, wine, tea, medicine.
Claims (3)
1, a kind of manufacture method of polyolefin synthetic paper, it is characterized in that: at first polyolefin resin, compound, coupling agent, static inhibitor, lubricant, tinting material are dropped in the high speed kneader after metering and mediate, then through banburying or extrude mixing, deliver to the rolling press calendering formation after filtering, vertically deflect to expander by doff roll again and carry out horizontal expanding, behind embossing, send into the cooling unit again, can directly carry out corona treatment, eliminostatic, coating, detection after the moulding, cut or batch and be finished product in length and breadth; Also can carry out central coiling earlier again through the hot leveling of off-line, corona treatment, eliminostatic, coating, detection, cut or batch and be finished product in length and breadth.
2, by the manufacture method of the described polyolefin synthetic paper of claim 1, it is characterized in that: polyolefin resin is 100PHR, and compound is 0-300PHR, and coupling agent is 0-4PHR, and static inhibitor is 0-6PHR, and lubricant is 0.2-10PHR, and tinting material is 0-15PHR.
3, press the manufacture method of the described polyolefin synthetic paper of claim 2, it is characterized in that: the melt flow rate (MFR) of polyolefin resin is 0.3-8, the melt flow rate (MFR) of ethene and ethene and alpha-olefin (propylene, butylene or octene) multipolymer is 0.25-5, and the melt flow rate (MFR) of acrylic resin is 0.3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01110789 CN1202166C (en) | 2001-04-23 | 2001-04-23 | Process for preparing synthetic polyolefin paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01110789 CN1202166C (en) | 2001-04-23 | 2001-04-23 | Process for preparing synthetic polyolefin paper |
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| Publication Number | Publication Date |
|---|---|
| CN1381521A true CN1381521A (en) | 2002-11-27 |
| CN1202166C CN1202166C (en) | 2005-05-18 |
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ID=4658839
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01110789 Expired - Fee Related CN1202166C (en) | 2001-04-23 | 2001-04-23 | Process for preparing synthetic polyolefin paper |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831167A (en) * | 2010-05-28 | 2010-09-15 | 湖南科技大学 | Method for preparing polyurethane-based stone paper |
| CN102041747A (en) * | 2010-09-29 | 2011-05-04 | 上海东升新材料有限公司 | Environment-friendly newsprint paper |
| CN102093632A (en) * | 2010-11-22 | 2011-06-15 | 杨殿宽 | Method for preparing environmental-friendly synthetic paper |
| CN102226022A (en) * | 2011-04-27 | 2011-10-26 | 华东理工大学 | Manufacture method of heavy calcium carbonate and polyethylene composite environmentally-friendly paper |
| CN102226021A (en) * | 2011-04-27 | 2011-10-26 | 华东理工大学 | Preparation method of environment protecting paper |
| CN103768861A (en) * | 2014-01-26 | 2014-05-07 | 苏州新区枫桥净化设备厂 | Synthetic paper filtration cotton |
| CN103980554A (en) * | 2014-05-30 | 2014-08-13 | 淮北丰盛泰重工有限公司 | Synthetic paper |
| CN104149516A (en) * | 2014-07-30 | 2014-11-19 | 江阴旺达商务贴有限公司 | Electrostatic sticky note and manufacturing process thereof |
| CN104494154A (en) * | 2014-12-19 | 2015-04-08 | 松德机械股份有限公司 | Composite packaging film forming process and making device |
| CN104059320B (en) * | 2014-05-30 | 2015-05-13 | 淮北丰盛泰重工有限公司 | Novel biodegradable synthetic paper |
| CN104744821A (en) * | 2015-03-26 | 2015-07-01 | 马庆路 | Method for preparing multicolor sized environment-friendly synthetic paper |
| CN105346288A (en) * | 2011-11-28 | 2016-02-24 | 广东天安新材料股份有限公司 | Embossing synchronization method and embossing synchronization equipment |
| CN106585054A (en) * | 2016-12-01 | 2017-04-26 | 江阴万高塑业有限公司 | Formula of thermoplastic elastomer foamed synthetic leather and preparation process |
-
2001
- 2001-04-23 CN CN 01110789 patent/CN1202166C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831167B (en) * | 2010-05-28 | 2011-12-21 | 湖南科技大学 | Method for preparing polyurethane-based stone paper |
| CN101831167A (en) * | 2010-05-28 | 2010-09-15 | 湖南科技大学 | Method for preparing polyurethane-based stone paper |
| CN102041747A (en) * | 2010-09-29 | 2011-05-04 | 上海东升新材料有限公司 | Environment-friendly newsprint paper |
| CN102093632A (en) * | 2010-11-22 | 2011-06-15 | 杨殿宽 | Method for preparing environmental-friendly synthetic paper |
| CN102093632B (en) * | 2010-11-22 | 2012-11-07 | 杨殿宽 | Method for preparing environmental-friendly synthetic paper |
| CN102226022A (en) * | 2011-04-27 | 2011-10-26 | 华东理工大学 | Manufacture method of heavy calcium carbonate and polyethylene composite environmentally-friendly paper |
| CN102226021A (en) * | 2011-04-27 | 2011-10-26 | 华东理工大学 | Preparation method of environment protecting paper |
| CN102226021B (en) * | 2011-04-27 | 2012-09-26 | 华东理工大学 | Preparation method of environment protecting paper |
| CN105346288A (en) * | 2011-11-28 | 2016-02-24 | 广东天安新材料股份有限公司 | Embossing synchronization method and embossing synchronization equipment |
| CN103768861A (en) * | 2014-01-26 | 2014-05-07 | 苏州新区枫桥净化设备厂 | Synthetic paper filtration cotton |
| CN104059320B (en) * | 2014-05-30 | 2015-05-13 | 淮北丰盛泰重工有限公司 | Novel biodegradable synthetic paper |
| CN103980554A (en) * | 2014-05-30 | 2014-08-13 | 淮北丰盛泰重工有限公司 | Synthetic paper |
| CN104149516A (en) * | 2014-07-30 | 2014-11-19 | 江阴旺达商务贴有限公司 | Electrostatic sticky note and manufacturing process thereof |
| CN104494154A (en) * | 2014-12-19 | 2015-04-08 | 松德机械股份有限公司 | Composite packaging film forming process and making device |
| CN104744821A (en) * | 2015-03-26 | 2015-07-01 | 马庆路 | Method for preparing multicolor sized environment-friendly synthetic paper |
| CN106585054A (en) * | 2016-12-01 | 2017-04-26 | 江阴万高塑业有限公司 | Formula of thermoplastic elastomer foamed synthetic leather and preparation process |
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| Publication number | Publication date |
|---|---|
| CN1202166C (en) | 2005-05-18 |
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