CN1013175B - Method for manufacturing natural fiber product - Google Patents
Method for manufacturing natural fiber productInfo
- Publication number
- CN1013175B CN1013175B CN 89104664 CN89104664A CN1013175B CN 1013175 B CN1013175 B CN 1013175B CN 89104664 CN89104664 CN 89104664 CN 89104664 A CN89104664 A CN 89104664A CN 1013175 B CN1013175 B CN 1013175B
- Authority
- CN
- China
- Prior art keywords
- thermoplastic resin
- stalks
- natural fiber
- temperature
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 21
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 238000004939 coking Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 8
- 239000011425 bamboo Substances 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 6
- 210000000988 bone and bone Anatomy 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 239000002023 wood Substances 0.000 abstract description 5
- 229920000742 Cotton Polymers 0.000 abstract description 3
- 235000017060 Arachis glabrata Nutrition 0.000 abstract description 2
- 244000105624 Arachis hypogaea Species 0.000 abstract description 2
- 235000010777 Arachis hypogaea Nutrition 0.000 abstract description 2
- 235000018262 Arachis monticola Nutrition 0.000 abstract description 2
- 244000046052 Phaseolus vulgaris Species 0.000 abstract description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 abstract description 2
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract description 2
- 210000003746 feather Anatomy 0.000 abstract description 2
- 210000004209 hair Anatomy 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 235000020232 peanut Nutrition 0.000 abstract description 2
- 244000025254 Cannabis sativa Species 0.000 abstract 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 abstract 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 abstract 1
- 244000082204 Phyllostachys viridis Species 0.000 abstract 1
- 240000006394 Sorghum bicolor Species 0.000 abstract 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 235000009120 camo Nutrition 0.000 abstract 1
- 235000005607 chanvre indien Nutrition 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000011487 hemp Substances 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000012766 organic filler Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001568 sexual effect Effects 0.000 description 2
- 241000345998 Calamus manan Species 0.000 description 1
- 235000008645 Chenopodium bonus henricus Nutrition 0.000 description 1
- 244000138502 Chenopodium bonus henricus Species 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A natural fiber product and a manufacturing method thereof belong to the field of manufacturing articles containing natural fibers and organic binders by a drying method. The invention is prepared by mixing granular sawdust or grass or bean stalks, shells or hemp stalks or bamboo stalks, leaves or reed stalks or cotton stalks or sorghum stalks or vines or peanut shells or animal skins or leathers or hairs or feathers or bones and the like with thermoplastic resin and then heating and pressurizing the mixture in a mould. The product can replace wood and plastic and be widely used in the fields of building decoration, daily furniture, electrical equipment, packaging articles and the like.
Description
The present invention is a kind of manufacture method of natural fibre products, and it belongs to the field of containing the article of natural fiber and organic bond with dry method manufacturing, and it comprises proportion of raw materials, pulverizing, stirring, dress mould, the technical process of heating, pressurizeing.
In that " plastics have been introduced in a filler and reinforcing agent handbook (chemical industry publishing house in April, 1985 version, 260～265 a pages) book with natural organic and have been used as organic filler in the plastic processing.Its purpose is because natural organic is more cheap than compound with it resin, uses them can reduce the cost of mold pressing compound, the performance of improving processing characteristics and improving composite article.Its formation is with source foot, natural organic matter that price is low, and as wood powder, shell hide fiber, cotton fiber and other string that almost completely is made of cellulose, the phyteral and the animal matter that starch are still arranged in addition and contain protein are used as organic filler.Weak point is to use natural organic as the performance of the composite article of the filler performance far below the goods made from compound with it resin.
At US4, a kind of production technology of making reinforced boards with lignocellulosic material is disclosed in 127,636.Its purpose is to strengthen the tensile strength of goods, counter-bending rigidity by this kind production technology.Its formation is to put into mould immerse chemical fibre, glass fibre or wire in the mixture of lignocellulosic particle of pulverizing and adhesive after to make sheet material through heating pressurization.Weak point is that production technology is numerous and diverse, cost is difficult to reduce.
The objective of the invention is to avoid above-mentioned weak point of the prior art and provide a kind of only with natural fiber and thermoplastic resin produce its product properties near or be better than the manufacture method of the performance of the goods made with compound resin with it.
Purpose of the present invention can reach by following measure: natural fiber can select for use the skin of wood chip or dogstail (paddy and wheat bar) or beans bar, shell or waste of flax or bamboo bar, leaf or reed or cotton bar or kaoliang stalk or rattan or peanut shell and animal or leather or hair or feather or bone etc. all can.The water content size of above natural fiber, whether go mouldy, ferment or slight coking etc. does not influence as raw material and uses,, can be pulverized and get final product as long as do not have carbonization.Thermoplastic resin can adopt polystyrene or polyethylene or polyvinyl chloride or polypropylene or polyformaldehyde or nylon or polyimides or polymethyl methacrylate or ABS plastic or AS plastics, and all goods of doing by thermoplastic resin with old or discarded after all recyclablely use as adhesive.To be ground into granular natural fiber and thermoplastic resin and mutually mix at 75～85: 15～25 by weight percentage, the purpose of pulverizing be beneficial in order to increase the contact-making surface between natural fiber and the thermoplastic resin mutual bonding.After the stirring mixture is loaded in the container, heats, pressurization 30～50kg/cm to 170～280 ℃
2The concrete temperature of heating depends on used natural fiber and thermoplastic resin, and its temperature is less than the coking temperature of selected natural fiber, and less than the cracking temperature of used thermoplastic resin; Pressing time is for ending when following from begin to be lower than the setting temperature of selected thermoplastic resin to temperature of articles to goods pressurizations.The purpose of pressurizeing of heating is for the low temperature volatilization composition in the natural fiber is at high temperature vapored away, the space that stays is then permeated into by thermoplastic resin and is replaced, simultaneously thermoplastic resin also with natural fiber in organic resin composition generation chemical reaction and combine together, and itself and natural fiber are bonded together and moulding tightly.Because natural fiber and the mixed inhomogeneities of thermoplastic resin, and chemical time that in the pressure process of heating, is taken place and mobile influence, make some natural fibers in the moulding product not participate in this chemical reaction as yet, perhaps react incomplete, insufficient, not thorough, for this reason, after the product cooling to be formed it is ground into 80～500 purpose graininess once more.Because in crushing process, the weak part of structure in the moulding product, also promptly not participating in incomplete, the inadequate part of chemical reaction or chemical reaction is broken easily, and the process of pulverizing also is a well-beaten process, touch opportunity and increase that it can further increase natural fiber and thermoplastic resin are in contact with one another face, so that increase the range of mutual chemical reaction as far as possible.Repeat above-mentioned heating during the technical process of pressurizeing when the moulding product of pulverizing being put into mould, just make between natural fiber and the thermoplastic resin that its chemical reaction is deepened in new round course of reaction, and obtain the goods that physics, mechanical performance have all surpassed the performance of the thermoplastic resin that uses as adhesive.
The present invention has following advantage compared to existing technology:
1, only having increased the technical process of pulverizing once more with hot pressing just makes the physical and mechanical properties of goods be much better than the performance of the goods that do not adopt this kind explained hereafter, and need not increase any reinforcing material can be approaching, met or exceeded the comprehensive technical performance index that thermoplastic resin is used in the selected architectural engineering of using as adhesive always.Thereby make natural fibre products not only can substitute timber, and can substitute some plastics and be widely used for fields such as construction and decoration, daily furniture, electric equipment; And the cost of natural fibre products is only suitable with the timber-work of making same product, and far below the plastic products of making same product.Simultaneously, the smooth surface of goods, elegant in appearance, and as required or people's hobby make the goods of shades of colour or pattern, and need not paint.
2, raw material sources are extensive and cheap, and can recycle, and turn waste into wealth.There is not the consumption of waster and waste in process of production, because continue to use with can be used as best raw material after their pulverizing yet.All can be used as raw material with product old or that eliminate and reuse what go out with this fabrication process, and product properties will further improve, this makes production cost reduce greatly.
3, the technological process of production is simple and easy to grasp, and equipment is not had specific (special) requirements, and environmentally safe is suitable for suitability for industrialized production.
The present invention will be described in further detail in conjunction with the embodiments.
Embodiment 1:
Wood chip with granular 85% with mix thoroughly after 15% polyethylene mixes, in the container of packing into, pressurization 30kg/cm when heating to 260 ℃
2, this moment can air-cooled or water-cooled, can remove pressure when temperature is lower than poly freezing point when following; The moulding product are crushed to are loaded on the technical process that repeats the above-mentioned pressurization of heating in the mould behind 80 orders and make goods.These goods are tested through Anhui Province's architectural materials science research institute, and the result is as follows: proportion is 1.17g/cm
3, bending resistance is 516kg/cm
2, resistance to compression is 1028kg/cm
2, tension is 247kgf/cm
2, percentage elongation is 0.02%, and Brinell hardness is 8.9～11.3, and shock resistance is 11.2kgcm/cm
2, freeze proof 15 circulations when being-20 ℃～15 ℃, test specimen does not have peeling, comes off, and is no loose.Above technical indicator has all surpassed the poly performance of using as adhesive.
Embodiment 2:
Bone with granular 75% with mix in the container of packing into pressurization 50kg/cm when heating after 25% polyvinyl chloride mixes thoroughly to 170 ℃
2, water-sprinkling is cooled to the freezing point of polyvinyl chloride and removes pressure when following; Again the moulding product are crushed in the mould of packing into behind 160 orders, repeat the technical process of the above-mentioned pressurization of heating and make the goods of white jade shape.
Embodiment 3:
Pressurization 40kg/cm when heating to 185 ℃ in the container of packing into behind granular 80% bamboo bits and 20% the polystyrene mixing
2, after the water-sprinkling cooling moulding product are crushed to 200 orders, repeat again in the mould of packing into afterwards above-mentionedly to heat the technical process of pressurizeing and make goods.
Be used as natural fiber with bone among the embodiment 2,3 or bamboo bits, can obtain to be higher than the physical property of selecting the wood chip resulting product among the embodiment 1 for use; Because a large amount of fat sexual elements---contained fat sexual element in gelatine and the bamboo bits---bamboo acetic acid fat contained in the bone will be improved by the physical properties of articles that mixture constituted of bone or bamboo bits and thermoplastic resin greatly with the thermoplastic resin generation chemical reaction that uses as adhesive, and has surpassed the performance of used thermoplastic resin.If the material of natural fiber used in embodiment 1 or 2 or 3 and thermoplastic resin is constant, and only increase to pulverize again, the technical process number of times of hot pressing, then can obtain the better goods of physical property.
Claims (1)
1, a kind of manufacture method of natural fibre products stirs the back extrusion forming of heating with natural fiber and the thermoplastic resin of pulverizing in container, feature of the present invention is:
The percentage by weight of a, natural fiber and thermoplastic resin is 75～85,15～25, at 170～280 ℃ of temperature, pressure 30～50kg/cm
2The time moulding,
B, the temperature of heating be less than the coking temperature of natural fiber, and less than the cracking temperature of used thermoplastic resin, and pressing time is for ending when following from begin to be lower than the setting temperature of selected thermoplastic resin to temperature of articles to the goods pressurization,
After pressure is removed in c, the cooling of moulding product, it is ground into 80～500 purpose graininess, in mould, repeats the technical process of the above-mentioned pressurization of heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89104664 CN1013175B (en) | 1989-07-07 | 1989-07-07 | Method for manufacturing natural fiber product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89104664 CN1013175B (en) | 1989-07-07 | 1989-07-07 | Method for manufacturing natural fiber product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1039208A CN1039208A (en) | 1990-01-31 |
| CN1013175B true CN1013175B (en) | 1991-07-17 |
Family
ID=4855642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89104664 Expired CN1013175B (en) | 1989-07-07 | 1989-07-07 | Method for manufacturing natural fiber product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1013175B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230386A (en) * | 1998-03-27 | 1999-10-06 | 江苏南浦机电集团股份有限公司 | Plant fiber tableware, food and article packing products and their production |
| CN1091578C (en) * | 1999-11-05 | 2002-10-02 | 洛阳百合轻工业有限公司 | Improved fresh keeping method during Mongolian oak leaf processing course |
| CN1328131C (en) * | 2001-12-25 | 2007-07-25 | 东洋化学产业株式会社 | Bottom plate material for container |
| CN102554977A (en) * | 2010-12-27 | 2012-07-11 | 周凤东 | Compound veneer |
| CN102516754B (en) * | 2011-11-23 | 2013-06-26 | 安徽宜万丰电器有限公司 | Connector and manufacturing method thereof |
-
1989
- 1989-07-07 CN CN 89104664 patent/CN1013175B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1039208A (en) | 1990-01-31 |
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Legal Events
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |