CN104499302B - The preparation technology of the synthesis of artificial leather of a kind of antibacterium sterilization exhaust - Google Patents
The preparation technology of the synthesis of artificial leather of a kind of antibacterium sterilization exhaust Download PDFInfo
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Abstract
The present invention relates to imitation leather field, it is specifically related to the preparation technology of the synthesis of artificial leather of a kind of antibacterium sterilization exhaust. The manufacturing process of this preparation technology is followed successively by: proportioning room, separate-type paper, the first coating machine, the first dryer, the first cooling wheel, the 2nd coating machine, the 2nd dryer, the 2nd cooling wheel, the 3rd coating machine, output machine, rigging machine, the 3rd dryer, the 3rd cooling wheel, separation are rolled up, rear section processing treatment and inspection machine obtain finished product; The technique of the present invention is simple, and carbon reduction, not only environmental protection and function are more excellent, it is possible to chemical resistance, antibacterium, good permeability, and have disinfection.
Description
Technical field
The present invention relates to imitation leather field, it is specifically related to the preparation technology of the synthesis of artificial leather of a kind of antibacterium sterilization exhaust.
Background technology
Natural leather is owing to having excellent natural characteristic by people extensively for the production of daily necessities and industrial goods, but the growth along with world population, the demand of leather is doubled by the mankind, and a limited number of natural leather can not meet people's this kind of demand already. For solving this contradiction, namely scientists starts to research and develop leatheroid, synthetic leather decades ago, to make up the deficiency of natural leather. The research historical process of more than 50 year is exactly the process that leatheroid, synthetic leather are challenged to natural leather. Scientists, from the chemical composition researching and analysing natural leather and weave construction, is set about from nitrocotton varnished cloth, is entered into PVC artificial leather, and this is the first-generation product of artificial leather. Scientist on the basis of this, has done many-sided improvement and exploration, is first the improvement of base material aspect, follows by the modification of coating resin and improvement. To the seventies in 20th century, the non-woven fabrics of synthon occurs that acupuncture becomes net, is bonded to the techniques such as net, makes base material have lotus root shape section, hollow fiber-shaped, reaches vesicular structure, and meet the reticulated structure requirement of natural leather; Synthetic leather top layer at that time can accomplish micro hole construction layer of polyurethane; be equivalent to the grain of natural leather; thus making the outward appearance of PU synthetic leather and immanent structure and natural leather progressively close, other physical propertys are all close to the index of natural leather, and color and luster is more more bright-coloured than natural leather; Its normal temperature folding reaches more than 1,000,000 times, and low temperature folding also can reach the level of natural leather. The appearance of superfine fiber synthetic leather is third generation artificial leather. The non-woven fabrics of its three-dimensional structure network is that synthetic leather creates the condition catching up with and surpassing natural leather in base material. What the combination of this product was newly developed has the PU slurry dipping of open-celled structure, the processing technology of composite cover, ultra-fine fibre huge surface area and strong water-absorbent effect are played, ultra-fine level PU synthetic leather is made to be provided with the intrinsic moisture-absorption characteristics of the natural leather of the ultra-fine collegen filament of pencil, no matter thus from internal microstructure, or appearance tactile impression and the aspect such as physical property and people's snugness of fit, can compare favourably with senior natural leather.In addition, superfine fiber chemical leather has more exceeded natural leather in chemical resistant properties, mass uniformity, big process for processing adaptability and waterproof, anti-mildew etc. Facts have proved, every premium properties of synthetic leather is that natural leather cannot replace, and analyzes from domestic and international market, and synthetic leather also instead of the natural leather of inadequate resource in a large number. Adopt leatheroid and synthetic leather to make the decoration of case and bag, clothes, footwear, vehicle and furniture, day by day obtain the affirmative in market.
Urethane full name is polyurethane(s), is called for short PU, is the general designation containing the macromolecular cpd repeating carbamate groups on main chain. It adds with dihydroxyl or polyol by organic diisocyanate or polyisocyanates to gather. Polyurethane material, purposes is very wide, it can instead rubber, plastics, nylon etc., and for airport, hotel, building materials, automobile factory, colliery factory, cement mill, senior apartment, villa, gardens are beautified, color stone art, park etc. PU leatheroid is exactly the epidermis of urethane composition. Being widely used in the decoration makeing case and bag, clothes, footwear, vehicle and furniture, it obtains the affirmative in market day by day, and its range of application is wide, and quantity is big, and more than kind, the natural leather being traditional cannot meet. Its quality of PU leatheroid also has quality, and good PU leatheroid is even also expensive than corium price.
But along with widely using of leatheroid, people are also more and more higher to the requirement of leatheroid, especially from carbon reduction, environmental protection, the aspects such as chemical resistance antibacterium sterilization exhaust are considered, current leatheroid can not meet the growing demand of people.
China is " country of bamboo civilization ", has long deep bamboo culture, and bamboo plays great function in Chinese historical culture development and inspirit culture are formed. Chinese people always like bamboo, and it is closely bound up that bamboo and people live, and the utilization of bamboo relates to each side such as clothing, food, shelter, row. In the History of Culture that China is of long standing and well established, pine, bamboo, plum are described as " three durable plants of winter: pine, bamboo and plum blossom ", and plum, orchid, bamboo, chrysanthemum are called as " four gentleman ", bamboo is all side by side wherein, visible bamboo occupies critical role in the heart Chinese people, this is because tall and straight beautiful, graceful colourful, the strange different expressions of shape thousand of leaf of its stalk; She is evergreen all the year round, and attitude is graceful, and unique charm is interesting. When people have leisurely and carefree mood to stroll between blue and green green bamboo, the infinitely comfortable and far meaning of one just can be arisen spontaneously, no wonder (that) Soviet Union's horizontal bar in the front of a carriage used as an armrest cloud of one of " eight prose masters of the Tang-Song period ": would rather eat without meat, can not occupy without bamboo, make people thin without meat, make us popular without bamboo, people is thin still can be fertile, and scholar's custom can not be cured. Bamboo, is the endemic species of " just not soft, non-grass is non-wood ", is the tender son of the Nature, the pet of the mankind, and bamboo is also most one of plant having vitality on the earth, and from sea level to height above sea level, 4000 meters of height can see the figure of bamboo. According to statistics, the bamboo that the whole world grows under various circumstances about has genus kind more than 1500 more than 20, area about 2,000 ten thousand hectares.
Bamboo plant both can be used for greening, can be used as again material. When they have life, subterraneous stem every year row whip, go out bamboo shoot, well-thought-out plan. Bamboo shoots are provided, become the protective foods of the mankind; Staying bamboo shoot well-thought-out plan, bamboo is blessed with many children, family is prosperous, absorbing carbon dioxide, releases oxygen, safeguards ecotope; By felling as material time, bamboo wood can " Dai Mu ", make furniture, farm implements, wood-based plate, baskets craft and daily necessities with her;She " can also win wood ", is used for manufacturing the container bottom board of high strength that general timber can not manufacture, high elastic coefficient, the products such as articulated car floor, excellent property, colourful bamboo flooring; More startling is that she can also make bamboo charcoal and goods thereof, becomes healthy bodyguard, the health expert of the mankind.
Bamboo charcoal, taking the above old bamboo of high mountain of life in 5 years as raw material, becomes through the high-temperature calcination of nearly thousand degree, more than 30 sky. Only with regard to environmental protection, she can replace charcoal on the one hand, reduces lumber consumption, preserves the ecological environment; On the other hand, she itself also has ecological functions, and the ecological value and the value of environmental protection have both at the same time. Its quality is hard, fine and closely woven porous, and specific surface area is two to three times of charcoal, has superpower absorption, damping and antibacterial ability; In addition, bamboo charcoal has again fabulous electric property. The purposes of bamboo charcoal is very extensive, and particularly in life at home, aesthetic nursing, the fields such as green food, just day by day become people's clothing, food, shelter, practise medicine, indispensable daily necessities, become a kind of consumption fashion, a kind of health culture.
Bamboo and leatheroid being combined, it is rare also to compare at present, and how bamboo and people the widespread demand of leatheroid to be combined and do not study especially.
Summary of the invention
In order to solve the problems referred to above that current PU leatheroid exists, the present invention provides the preparation technology of the synthesis of artificial leather of a kind of antibacterium sterilization exhaust.
The preparation technology of synthesis of artificial leather for antibacterium sterilization exhaust, the manufacturing process of this preparation technology is followed successively by: proportioning room, separate-type paper, the first coating machine, the first dryer, the first cooling wheel, the 2nd coating machine, the 2nd dryer, the 2nd cooling wheel, the 3rd coating machine, output machine, rigging machine, the 3rd dryer, the 3rd cooling wheel, separation are rolled up, rear section processing treatment and inspection machine obtain finished product;
The working condition of each flow process is specially:
Proportioning room: the first layer coordinates liquid, the second layer coordinate liquid and third layer to coordinate liquid to configure;
Separate-type paper: above have various lines;
First coating machine: the first layer coordinates liquid coat in separate-type paper, paint thickness is 0.08-0.30mm, and coating consumption is 60-360g/m2;
First dryer: use baking oven hot-air seasoning, temperature is 50-160 DEG C, length 5m-30m; In separate-type paper, tough oiliness Pu face film is formed after dry,
First cooling wheel: lines is qualitative, temperature is 5-30 DEG C;
2nd coating machine: the second layer coordinates liquid coat on the film of dry rear formation tough oiliness Pu face, and coating thickness is 0.08-4mm, and glue spread is 60-500g/m2,
2nd dryer: use baking oven hot-air seasoning, temperature is 60-200 DEG C, and speed is that 10m-30m/ divides; On tough oiliness Pu surface layer, form, after dry, the tough foaming low elasticity body middle layer that thickness is 0.01-3mm;
2nd cooling wheel: carry out cooling and shaping, temperature is 5-30 DEG C;
3rd coating machine: third layer coordinates liquid coat on tough foaming low elasticity body middle layer, forms following layer, and coating thickness is 0.08-0.50mm, and coating content is 60-660g/m2;
Rigging machine: itself and base material are fitted;
3rd dryer: with hot-air seasoning, temperature is 60-200 DEG C, length 5-30m;
3rd cooling wheel: complete cooling and shaping after dry;
Separation is rolled up: separate-type paper Separation and Recovery re-used; It is work in-process after removing separate-type paper, rolls up;
Rear section of processing treatment: by treated for work in-process machine, printing, the process of feel haze or embossed;
Become inspection machine: according to customer demand inspection, reach specification of quality, be finished product.
As preferably, the first layer coordinates liquid to count by weight and comprises following component:
Oiliness Pu resin 100 parts,
Nanometer bamboo powder or nano-bamboo carbon powder 10-50 part,
Anti-wear agent: fluorinated polymer or organosilicon and 1 part, mineral substance,
Dispersion agent: block macromolecular dispersion agent 1 part,
Fire retardant: magnesium hydroxide 1-5 part,
Solvent: pimelinketone or dimethyl acetyl ammonia 0-200 part;
The second layer coordinates liquid to count by weight and comprises following component:
Weather resistance, polyurethane (Pu), Gao Gu (Highsolidmaterial) resin 100 parts,
Nanometer bamboo powder or nano-bamboo carbon powder 10-50 part,
Solidifying agent: isocyanic ester 6-12 part,
Promotor: acetyl acetone salt or organic carboxylate 1-4 part,
Surfactant: dme 1-3 part,
Flow agent: modified polyorganosiloxane 0-2 part,
Scratch resistance agent: 0-2 part,
Fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 1-5 part,
Third layer coordinates liquid to count by weight and comprises following component:
Oiliness Pu resin 100 parts,
Fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 1-5 part,
Solidifying agent: isocyanic ester 0-12 part,
Solvent: pimelinketone or dimethyl acetyl ammonia 0-100 part.
As preferably, the preparation method of described nanometer of bamboo powder is: consider natural bamboo bamboo first containing being immersed in basic solution to be worth doing, then fiber softening is made through 1-10 day, grind through high-speed grinder again, then by 80 order filter screen filtration, then dry, moisture content is removed, again grinds to form 100-500nm superfine powder through nano-milled equipment; The preparation method of described bamboo charcoal nano powder is: natural bamboo is first through dry, then bamboo charcoal is become with High Temperature High Pressure calcining, then through high-speed grinder grinding, and by 80 order filter screen filtration, through nano-milled equipment, again grind to form 100-500nm superfine powder.
As preferably, alkene: silane containing hydrogen: the mol ratio of catalyzer is 10000:11000:4.
Useful effect is: technique is simple, and carbon reduction, not only environmental protection and function are more excellent, it is possible to chemical resistance, antibacterium, good permeability, and have disinfection.
Embodiment
Below by specific embodiment, the technical scheme of the present invention is further described explanation.
If without specified otherwise, the raw material adopted in embodiments of the invention is the conventional raw material in this area, and the method adopted in embodiment, is the ordinary method of this area.
The preparation method of nanometer bamboo powder adopted is: consider natural bamboo bamboo first containing being immersed in basic solution to be worth doing, then fiber softening is made through 1-10 day, grind through high-speed grinder again, then by 80 order filter screen filtration, then dry, moisture content is removed, again grinds to form 100-500nm superfine powder through nano-milled equipment.
The preparation method of the bamboo charcoal nano powder adopted is: natural bamboo is first through dry, then bamboo charcoal is become with High Temperature High Pressure calcining, then through high-speed grinder grinding, and by 80 order filter screen filtration, through nano-milled equipment, again grind to form 100-500nm superfine powder.
In following examples, every part is 1kg.
Embodiment 1
The preparation technology of synthesis of artificial leather for antibacterium sterilization exhaust, the manufacturing process of this preparation technology is followed successively by: proportioning room, separate-type paper, the first coating machine, the first dryer, the first cooling wheel, the 2nd coating machine, the 2nd dryer, the 2nd cooling wheel, the 3rd coating machine, output machine, rigging machine, the 3rd dryer, the 3rd cooling wheel, separation are rolled up, rear section processing treatment and inspection machine obtain finished product;
The working condition of each flow process is specially:
Proportioning room: the first layer coordinates liquid, the second layer coordinate liquid and third layer to coordinate liquid to configure;
The first layer coordinates liquid to count by weight and comprises following component:
Oiliness Pu resin 100 parts, nanometer bamboo powder or 10 parts, nano-bamboo carbon powder, anti-wear agent: fluorinated polymer or organosilicon and 1 part, mineral substance, dispersion agent: block macromolecular dispersion agent 1 part, fire retardant: magnesium hydroxide 5 parts, solvent: pimelinketone or dimethyl acetyl ammonia 10 parts;
The second layer coordinates liquid to count by weight and comprises following component:
Weather resistance, polyurethane (Pu), Gao Gu (Highsolidmaterial) resin 100 parts, nanometer bamboo powder or 50 parts, nano-bamboo carbon powder, solidifying agent: isocyanic ester 6 parts, promotor: acetyl acetone salt or organic carboxylate 4 parts, surfactant: dme 1 part, flow agent: modified polyorganosiloxane 2 parts, scratch resistance agent: 1 part, fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 5 parts;
Third layer coordinates liquid to count by weight and comprises following component:
Oiliness Pu resin 100 parts, fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 1 part, solidifying agent: isocyanic ester 12 parts, solvent: pimelinketone or dimethyl acetyl ammonia 5 parts.
Separate-type paper: above have various lines;
First coating machine: the first layer coordinates liquid coat in separate-type paper, paint thickness is 0.30mm, and coating consumption is 60g/m2;
First dryer: use baking oven hot-air seasoning, temperature is 160 DEG C, length 5m; In separate-type paper, tough oiliness Pu face film is formed after dry,
First cooling wheel: lines is qualitative, temperature is 30 DEG C;
2nd coating machine: the second layer coordinates liquid coat on the film of dry rear formation tough oiliness Pu face, and coating thickness is 0.08mm, and glue spread is 500g/m2,
2nd dryer: use baking oven hot-air seasoning, temperature is 60 DEG C, and speed is that 30m/ divides; On tough oiliness Pu surface layer, form, after dry, the tough foaming low elasticity body middle layer that thickness is 0.01mm;
2nd cooling wheel: carry out cooling and shaping, temperature is 30 DEG C;
3rd coating machine: third layer coordinates liquid coat on tough foaming low elasticity body middle layer, forms following layer, and coating thickness is 0.08mm, and coating content is 660g/m2;
Rigging machine: itself and base material are fitted;
3rd dryer: with hot-air seasoning, temperature is 60 DEG C, length 30m;
3rd cooling wheel: complete cooling and shaping after dry;
Separation is rolled up: separate-type paper Separation and Recovery re-used; It is work in-process after removing separate-type paper, rolls up;
Rear section of processing treatment: by treated for work in-process machine, printing, the process of feel haze or embossed;
Become inspection machine: according to customer demand inspection, reach specification of quality, be finished product.
Embodiment 2
The preparation technology of synthesis of artificial leather for antibacterium sterilization exhaust, the manufacturing process of this preparation technology is followed successively by: proportioning room, separate-type paper, the first coating machine, the first dryer, the first cooling wheel, the 2nd coating machine, the 2nd dryer, the 2nd cooling wheel, the 3rd coating machine, output machine, rigging machine, the 3rd dryer, the 3rd cooling wheel, separation are rolled up, rear section processing treatment and inspection machine obtain finished product;
The working condition of each flow process is specially:
Proportioning room: the first layer coordinates liquid, the second layer coordinate liquid and third layer to coordinate liquid to configure;
The first layer coordinates liquid to count by weight and comprises following component:
Oiliness Pu resin 100 parts, nanometer bamboo powder or 10 parts, nano-bamboo carbon powder, anti-wear agent: fluorinated polymer or organosilicon and 1 part, mineral substance, dispersion agent: block macromolecular dispersion agent 1 part, fire retardant: magnesium hydroxide 5 parts, solvent: pimelinketone or dimethyl acetyl ammonia 20 parts;
The second layer coordinates liquid to count by weight and comprises following component:
Weather resistance, polyurethane (Pu), Gao Gu (Highsolidmaterial) resin 100 parts, nanometer bamboo powder or 50 parts, nano-bamboo carbon powder, solidifying agent: isocyanic ester 6 parts, promotor: acetyl acetone salt or organic carboxylate 4 parts, surfactant: dme 1 part, flow agent: modified polyorganosiloxane 2 parts, scratch resistance agent: 1 part, fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 5 parts;
Third layer coordinates liquid to count by weight and comprises following component:
Oiliness Pu resin 100 parts, fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 5 parts, solidifying agent: isocyanic ester 2 parts, solvent: pimelinketone or dimethyl acetyl ammonia 100 parts.
Separate-type paper: above have various lines;
First coating machine: the first layer coordinates liquid coat in separate-type paper, paint thickness is 0.08mm, and coating consumption is 60-360g/m2;
First dryer: use baking oven hot-air seasoning, temperature is 160 DEG C, length 5m; In separate-type paper, tough oiliness Pu face film is formed after dry,
First cooling wheel: lines is qualitative, temperature is 30 DEG C;
2nd coating machine: the second layer coordinates liquid coat on the film of dry rear formation tough oiliness Pu face, and coating thickness is 0.08mm, and glue spread is 500g/m2,
2nd dryer: use baking oven hot-air seasoning, temperature is 60 DEG C, and speed is that 30m/ divides; On tough oiliness Pu surface layer, form, after dry, the tough foaming low elasticity body middle layer that thickness is 0.01mm;
2nd cooling wheel: carry out cooling and shaping, temperature is 30 DEG C;
3rd coating machine: third layer coordinates liquid coat on tough foaming low elasticity body middle layer, forms following layer, and coating thickness is 0.08mm, and coating content is 660g/m2;
Rigging machine: itself and base material are fitted;
3rd dryer: with hot-air seasoning, temperature is 60 DEG C, length 30m;
3rd cooling wheel: complete cooling and shaping after dry;
Separation is rolled up: separate-type paper Separation and Recovery re-used; It is work in-process after removing separate-type paper, rolls up;
Rear section of processing treatment: by treated for work in-process machine, printing, the process of feel haze or embossed;
Become inspection machine: according to customer demand inspection, reach specification of quality, be finished product.
Claims (1)
1. the preparation technology of the synthesis of artificial leather of an antibacterium sterilization exhaust, it is characterized in that, the manufacturing process of this preparation technology is followed successively by: proportioning room, separate-type paper, the first coating machine, the first dryer, the first cooling wheel, the 2nd coating machine, the 2nd dryer, the 2nd cooling wheel, the 3rd coating machine, output machine, rigging machine, the 3rd dryer, the 3rd cooling wheel, separation are rolled up, rear section processing treatment and inspection machine obtain finished product;
The working condition of each flow process is specially:
Proportioning room: the first layer coordinates liquid, the second layer coordinate liquid and third layer to coordinate liquid to configure;
Separate-type paper: above have various lines;
First coating machine: the first layer coordinates liquid coat in separate-type paper, paint thickness is 0.08-0.30mm, and coating consumption is 60-360g/m2;
First dryer: use baking oven hot-air seasoning, temperature is 50-160 DEG C, length 5m-30m; In separate-type paper, tough oiliness PU face film is formed after dry,
First cooling wheel: lines is shaped, and temperature is 5-30 DEG C;
2nd coating machine: the second layer coordinates liquid coat on the film of dry rear formation tough oiliness PU face, and coating thickness is 0.08-4mm, and glue spread is 60-500g/m2,
2nd dryer: use baking oven hot-air seasoning, temperature is 60-200 DEG C, and speed is that 10m-30m/ divides;On tough oiliness PU surface layer, form, after dry, the tough foaming low elasticity body middle layer that thickness is 0.01-3mm;
2nd cooling wheel: carry out cooling and shaping, temperature is 5-30 DEG C;
3rd coating machine: third layer coordinates liquid coat on tough foaming low elasticity body middle layer, forms following layer, and coating thickness is 0.08-0.50mm, and coating content is 60-660g/m2;
Rigging machine: itself and base material are fitted;
3rd dryer: with hot-air seasoning, temperature is 60-200 DEG C, length 5-30m;
3rd cooling wheel: complete cooling and shaping after dry;
Separation is rolled up: separate-type paper Separation and Recovery re-used; It is work in-process after removing separate-type paper, rolls up;
Rear section of processing treatment: by treated for work in-process machine, printing, the process of feel haze or embossed;
Inspection machine: according to customer demand inspection, reach specification of quality, be finished product;
Wherein, the first layer coordinates liquid to count by weight and comprises following component:
Oiliness PU resin 100 parts,
Nanometer bamboo powder or nano-bamboo carbon powder 10-50 part,
Anti-wear agent: fluorinated polymer or organosilicon and 1 part, mineral substance,
Dispersion agent: block macromolecular dispersion agent 1 part,
Fire retardant: magnesium hydroxide 1-5 part,
Solvent: pimelinketone or N,N-DIMETHYLACETAMIDE 0-200 part;
The second layer coordinates liquid to count by weight and comprises following component:
Weather resistance, polyurethane (PU), Gao Gu (Highsolidmaterial) resin 100 parts,
Nanometer bamboo powder or nano-bamboo carbon powder 10-50 part,
Solidifying agent: isocyanic ester 6-12 part,
Promotor: acetyl acetone salt or organic carboxylate 1-4 part,
Surfactant: dme 1-3 part,
Flow agent: modified polyorganosiloxane 0-2 part,
Scratch resistance agent: 0-2 part,
Fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 1-5 part,
Third layer coordinates liquid to count by weight and comprises following component:
Oiliness PU resin 100 parts,
Fire retardant: sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or JNFR-1140 environment friendly flame retardant 1-5 part,
Solidifying agent: isocyanic ester 0-12 part,
Solvent: pimelinketone or N,N-DIMETHYLACETAMIDE 0-100 part;
The preparation method of described nanometer of bamboo powder is: consider natural bamboo bamboo first containing being immersed in basic solution to be worth doing, then fiber softening is made through 1-10 day, grind through high-speed grinder again, then by 80 order filter screen filtration, then dry, moisture content is removed, again grinds to form 100-500nm superfine powder through nano-milled equipment; The preparation method of described bamboo charcoal nano powder is: natural bamboo is first through dry, then bamboo charcoal is become with High Temperature High Pressure calcining, then through high-speed grinder grinding, and by 80 order filter screen filtration, through nano-milled equipment, again grind to form 100-500nm superfine powder.
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| CN103361988A (en) * | 2012-03-28 | 2013-10-23 | 广州市宏伟皮革有限公司 | Ecological type water-based synthetic leather |
| CN103507378A (en) * | 2012-06-19 | 2014-01-15 | 昆山协润人造皮有限公司 | Making method of foaming PU (polyurethane) leather |
| CN103835144A (en) * | 2014-03-04 | 2014-06-04 | 合肥市科天化工有限公司 | Environmental-friendly and water-pressure-resistant tent leather and preparation method thereof |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406724A (en) * | 2001-08-17 | 2003-04-02 | 杨三 | Bamboo flour producing process |
| CN101440579A (en) * | 2008-12-08 | 2009-05-27 | 无锡双象超纤材料股份有限公司 | Nano bamboo charcoal odor removing sole leather |
| CN103031741A (en) * | 2011-09-29 | 2013-04-10 | 昆山协兴合成革有限公司 | High-solid-content train leather production method |
| CN103361988A (en) * | 2012-03-28 | 2013-10-23 | 广州市宏伟皮革有限公司 | Ecological type water-based synthetic leather |
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| CN104499302A (en) | 2015-04-08 |
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