CN106147260A - A kind of string, powder, bits class composite - Google Patents
A kind of string, powder, bits class composite Download PDFInfo
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- CN106147260A CN106147260A CN201510188298.8A CN201510188298A CN106147260A CN 106147260 A CN106147260 A CN 106147260A CN 201510188298 A CN201510188298 A CN 201510188298A CN 106147260 A CN106147260 A CN 106147260A
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Abstract
A kind of string, powder, bits class composite, relate to a kind of plant moulding material, in parts by weight, including 6 parts of-8 parts of starch, 18 parts-22 parts water, the NaOH of 1 part-1.5 parts, the vegetable material of the talcum powder of 2.5 parts-3 parts and 75 parts-85 parts.Compared with prior art, this material is mainly as the raw material in HTHP squeezing or compressing technique, and this material non-toxic is harmless, has ductility so that it is extremely convenient to process, and squeezes or compressing very easy, and properties of product are more preferable.By the product of this material final molding, there is low cost, the simple advantage of post-production, also there is high rigidity, surface compact, service life length advantage, topmost can produce the various article with complicated shape by this material, product actual effect is no less than wood products, is completely superior to the plant fiber products produced under prior art.
Description
Technical field
The present invention relates to a kind of plant moulding material, particularly relate to a kind of string, powder, bits class moulding material.
Background technology
From ancient times to the present wood-based product is widely used in the middle of the life production of the mankind, generally speaking wood-based product is fabricated by by solid wood material substantially, but present solid wood material utilization rate in process is low, only about 35%, waste is serious, manufacturing process is complicated simultaneously, labour cost and cost of equipment are high, take time and effort, and timber resources is deficient, part high-quality timber faces extinction so that the cost of wood products remains high.In order to improve production efficiency, cost-effective, now a lot of products are made up of string, powder, bits, the service efficiency of the timber being so greatly improved, and due to low cost so that this kind of product has very strong competitiveness.But owing to technique is limited, product great majority made by string, powder, bits are sheet material class product, owing to product density is low, intensity is weak, this kind of product uses popularity narrower, the utilization industrially of solid wood class product cannot be replaced at all, only in light industry and upholstery, have certain applications, but the overwhelming majority still makes sheet material and is applied in upholstery.
The applicant has applied for " preparation method of a kind of non-adhesive wood fiber part " (application number 201110411549.6) with other applicant's names, a kind of method that " shaped wooden mould pressing furniture part and manufacture method thereof " (application number 201010542653.4) etc. utilize wood-fibred Special-shaped moulded to be molded, the shaped piece of high-density high-strength can be produced by this method, this product can be widely used in light industry and upholstery, it is possible not only to produce wooden pen container by these methods, wooden washbowl, the products such as wooden water tumbler, piece of furniture and the household articles with intricate detail can also be produced.But apply the adhesive in string, powder, bits material are made to be urea-formaldehyde glue, MDI glue mostly at present, owing to MDI is methyl diphenylene diisocyanate based compound, there is certain toxicity, may result in moderate eye irritation and slight skin irritatin, can cause allergic, so there is potential safety hazard during production operation；Urea-formaldehyde glue then contains formaldehyde material, owing to formaldehyde is that a kind of carcinogen is relatively big so the product made exists potential safety hazard to mankind's harmfulness.The idea of present Environmental Safety sustainable development is rooted in the hearts of the people, especially general commodity and furniture are that people are daily to be wanted often in contact with the article arriving, safety non-toxic must be accomplished, if the adhesive of this kind of article contains noxious material, be difficult to be accepted by market and society.And do not use any adhesive directly to suppress string, powder, bits in " preparation method of a kind of non-adhesive wood fiber part " (application number 201110411549.6), but owing to most strings, powder, bits itself do not have ductility, the density making stampings cannot be uniform, allow easy manufacture faulty goods, do not meet quality requirement.
In the case of current solid wood scarcity of raw material, it is badly in need of a kind of physicochemical properties and be no less than solid wood material, cost is far below the substitute of solid wood material simultaneously, substitutes the utilization in household, field of furniture for the solid wood material, even substitutes the application at industrial circle for the solid wood material.
Content of the invention
The present invention is directed to deficiency of the prior art, provide a kind of string, powder, bits class composite, this material is mainly as the raw material in HTHP squeezing or compressing technique, this material non-toxic is harmless, there is ductility, it is extremely convenient to make to process, and squeezes or compressing very easy, and properties of product are more preferable.By the product of this material final molding, there is low cost, the simple advantage of post-production, also there is high rigidity, surface compact, service life length advantage, topmost can produce the various article with complicated shape by this material, product actual effect is no less than wood products, is completely superior to the plant fiber products produced under prior art.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals, a kind of string, powder, bits class composite and manufacture method, it is characterized by, in parts by weight, including 6 parts of-8 parts of starch, 18 parts-22 parts water, the NaOH of 1 part-1.5 parts, the vegetable material of the talcum powder of 2.5 parts-3 parts and 75 parts-85 parts；Manufacture method also includes following step, step A): the starch described in 6 parts-8 parts, the water described in 18 parts-22 parts, the NaOH described in 1 part-1.5 parts are stirred, whipping temp is between 30 DEG C to 50 DEG C, and mixing time is between 1 minute to 3 minutes so that each material uniformly mixes；Step B) between the temperature of 30 DEG C to 50 DEG C, continue the described beaker of stirring 18 minutes to 22 minutes so that and there is gelatinization reaction in described starch；Step C): described starch stops heating after being pasted completely and stirs and cool down at least 10 minutes, the talcum powder described in 2.5 parts-3 parts is added after having cooled down, then heating and stirring at least 5 minutes, described talcum powder cools down after uniformly mixing, and just obtains adhesive after being cooled to normal temperature；Step D): described vegetable material is dried, described vegetable material moisture content is made to be not higher than 5%, then take the vegetable material described in 75 parts-85 parts to put into screw mixer and mix with described adhesive, stir at least 20 minutes until mixing, just obtained new material after mixing.
In technique scheme, it is preferred that in parts by weight, including the vegetable material of starch described in 7 parts, the water described in 20 parts, the NaOH described in 1.3 parts, the talcum powder described in 2.6 parts and 80 parts.
3rd, a kind of string according to claim 1 and 2, powder, bits class composite, is characterized by, described starch is plant amylum.
In technique scheme, it is preferred that described water is pure water.
In technique scheme, it is preferred that described vegetable material is arbor fiber or arbor powder or arbor bits or shrub fiber or shrub powder or shrub bits or stalk fibre or powder of straw or stalk bits.
This string, powder, bits class composite are mainly as the raw material in HTHP squeezing or compressing technique, in the introduction it has been mentioned that several plant fiber is directly compressed into the method for piece of furniture, it is well known that most strings do not have ductility, density unevenness can be caused when suppressing, decorative pattern does not shows, the problem such as make moist soft.And how much glue currently using has toxicity in using and manufacturing, also less can be accepted by society and market even if manufacturing.This string, powder, the adhesive raw materials master of inside of bits class composite are starch, especially plant amylum, and plant amylum can be glutinous rice starch, cornstarch, sweet potato starch, rice starch etc., it is however generally that conventional glutinous rice starch.There is after plant amylum is swelling certain tack, most importantly starch can have pasty state slipping property after gelatinization, solves string, powder, bits material itself do not have malleable problem when using starch as the major ingredient of adhesive to string, powder, the bonding of bits material.Known, most plants all has lignin, through experiment discovery, starch viscose material meeting and string, powder, lignin in bits material can react when high temperature, produce great viscosity, so during HTHP squeezes and suppress the shaping of this material, string, powder, the pasty state slipping property that bits class composite rests against starch moves, starch is utilized to obtain tack with the reaction of lignin, make squeezing consistent with compressing product density, surface compact, internal bond strength is high, and can also squeeze and suppress the shape of complexity.The Wood Fiber Composite class product on market can be replaced by the product that this material is made completely, most solid wood products can also be substituted, can be not only used for manufacturing the product in general life staying idle at home field, can be also used for the product in process industry field.
Compared with prior art, this material is mainly as the raw material in HTHP squeezing or compressing technique, and this material non-toxic is harmless, has ductility so that it is extremely convenient to process, and squeezes or compressing very easy, and properties of product are more preferable.By the product of this material final molding, there is low cost, the simple advantage of post-production, also there is high rigidity, surface compact, service life length advantage, topmost can produce the various article with complicated shape by this material, product actual effect is no less than wood products, is completely superior to the plant fiber products produced under prior art.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
Embodiment 1, a kind of string, powder, the method for making of bits class composite include following step, by the glutinous rice starch described in 70g in step A, pure water described in 200g, NaOH described in 13g is put in beaker and is stirred, whipping temp is 45 DEG C, mixing time 3 minutes so that each material uniformly mixes.Step B continues the described beaker of stirring 20 minutes between the temperature of 30 DEG C to 50 DEG C so that described starch occurs gelatinization reaction.Starch described in step C stops heating after being pasted completely and stirs described beaker and cool down at least 10 minutes, the talcum powder described in 26g is added in described beaker again after having cooled down, then heat and stir at least 5 minutes, because all there is gelatinization reaction with glutinous rice starch in moisture now, after the talcum powder adding, talcum powder does not react with water and is and gelatinized corn starch physical contact.After described talcum powder uniformly mixes, described beaker is cooled down, after being cooled to normal temperature, just obtain a kind of adhesive.This adhesive viscosity is between 150 CP-300 CP.Step D: arbor fiber is dried, arbor fiber can be pine cellulosic, oak fiber, Chinese Fir for Fibre one or more, described arbor fiber moisture is made to be not higher than 5%, then take the arbor fiber after 800g is dried to put into screw mixer and mix with described adhesive, stir at least 20 minutes until mixing, just obtained this composite material of plant fiber after mixing.This composite material of plant fiber is mainly as the raw material in HTHP squeezing or compressing technique.
Embodiment 2, a kind of string, powder, the method for making of bits class composite include following step, by the cornstarch described in 60g in step A, distilled water described in 180g, NaOH described in 10g is put in beaker and is stirred, whipping temp is 45 DEG C, mixing time 3 minutes so that each material uniformly mixes.Step B continues the described beaker of stirring 20 minutes between the temperature of 30 DEG C to 50 DEG C so that described starch occurs gelatinization reaction.Starch described in step C stops heating after being pasted completely and stirs described beaker and cool down at least 10 minutes, the talcum powder described in 25g is added in described beaker again after having cooled down, then heat and stir at least 5 minutes, because all there is gelatinization reaction with cornstarch in moisture now, after the talcum powder adding, talcum powder does not react with water and is and gelatinized corn starch physical contact.After described talcum powder uniformly mixes, described beaker is cooled down, after being cooled to normal temperature, just obtain a kind of adhesive.This adhesive viscosity is between 150 CP-300 CP.Step D: shrub powder is dried, described shrub powder moisture content is made to be not higher than 5%, then take the shrub powder after 800g is dried to put into screw mixer and mix with described adhesive, stir at least 20 minutes until mixing, just obtained this Plant Powder composite after mixing.This Plant Powder composite is mainly as the raw material in HTHP squeezing or compressing technique.
Embodiment 3, a kind of string, powder, the method for making of bits class composite include following step, by the rice starch described in 80g in step A, distilled water described in 220g, NaOH described in 15g is put in beaker and is stirred, whipping temp is 45 DEG C, mixing time 3 minutes so that each material uniformly mixes.Step B continues the described beaker of stirring 20 minutes between the temperature of 30 DEG C to 50 DEG C so that described starch occurs gelatinization reaction.Starch described in step C stops heating after being pasted completely and stirs described beaker and cool down at least 10 minutes, the talcum powder described in 30g is added in described beaker again after having cooled down, then heat and stir at least 5 minutes, because all there is gelatinization reaction with rice starch in moisture now, after the talcum powder adding, talcum powder does not react with water and is and gelatinized corn starch physical contact.After described talcum powder uniformly mixes, described beaker is cooled down, after being cooled to normal temperature, just obtain a kind of adhesive.This adhesive viscosity is between 150 CP-300 CP.Step D: stalk bits are dried, described stalk bits moisture content is made to be not higher than 5%, then take the stalk bits after 800g is dried to put into screw mixer and mix with described adhesive, stir at least 20 minutes until mixing, just obtained this plant debris composite after mixing.This plant debris composite is mainly as the raw material in HTHP squeezing or compressing technique.
Claims (5)
1. string, powder, bits class composite and a manufacture method, is characterized by, in parts by weight, including 6 parts of-8 parts of starch, 18 parts-22 parts water, the NaOH of 1 part-1.5 parts, the vegetable material of the talcum powder of 2.5 parts-3 parts and 75 parts-85 parts；Manufacture method also includes following step, step A): the starch described in 6 parts-8 parts, the water described in 18 parts-22 parts, the NaOH described in 1 part-1.5 parts are stirred, whipping temp is between 30 DEG C to 50 DEG C, and mixing time is between 1 minute to 3 minutes so that each material uniformly mixes；Step B) between the temperature of 30 DEG C to 50 DEG C, continue the described beaker of stirring 18 minutes to 22 minutes so that and there is gelatinization reaction in described starch；Step C): described starch stops heating after being pasted completely and stirs and cool down at least 10 minutes, the talcum powder described in 2.5 parts-3 parts is added after having cooled down, then heating and stirring at least 5 minutes, described talcum powder cools down after uniformly mixing, and just obtains adhesive after being cooled to normal temperature；Step D): described vegetable material is dried, described vegetable material moisture content is made to be not higher than 5%, then take the vegetable material described in 75 parts-85 parts to put into screw mixer and mix with described adhesive, stir at least 20 minutes until mixing, just obtained new material after mixing.
2. a kind of string according to claim 1, powder, bits class composite, is characterized by, in parts by weight, including the vegetable material of starch described in 7 parts, the water described in 20 parts, the NaOH described in 1.3 parts, the talcum powder described in 2.6 parts and 80 parts.
3. a kind of string according to claim 1 and 2, powder, bits class composite, is characterized by, described starch is plant amylum.
4. a kind of string according to claim 1 and 2, powder, bits class composite, is characterized by, described water is pure water.
5. a kind of string according to claim 1 and 2, powder, bits class composite, is characterized by, described vegetable material is arbor fiber or arbor powder or arbor bits or shrub fiber or shrub powder or shrub bits or stalk fibre or powder of straw or stalk bits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188298.8A CN106147260A (en) | 2015-04-21 | 2015-04-21 | A kind of string, powder, bits class composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188298.8A CN106147260A (en) | 2015-04-21 | 2015-04-21 | A kind of string, powder, bits class composite |
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| Publication Number | Publication Date |
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| CN106147260A true CN106147260A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510188298.8A Pending CN106147260A (en) | 2015-04-21 | 2015-04-21 | A kind of string, powder, bits class composite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111116995A (en) * | 2019-12-30 | 2020-05-08 | 宁波荣书生物科技有限公司 | Method for preparing degradable material by using cord grass |
| CN115044222A (en) * | 2022-05-07 | 2022-09-13 | 广州至简通用设备制造有限公司 | Bio-based composite material and preparation method thereof |
| CN116479676A (en) * | 2023-04-13 | 2023-07-25 | 重庆植本环保科技有限公司 | Plant fiber material and preparation process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967291A (en) * | 2010-10-11 | 2011-02-09 | 内蒙古大学 | Method for preparing board by using hot gelatinized starch and waste plant fiber |
| CN101967292A (en) * | 2010-10-11 | 2011-02-09 | 内蒙古大学 | Method preparing boards by using alkaline gelatinized starch as adhesive and waste vegetable fibers |
| CN102408584A (en) * | 2011-08-30 | 2012-04-11 | 姜勇 | Preparation method for straw base packing material |
| CN103289428A (en) * | 2013-07-03 | 2013-09-11 | 内蒙古大学 | Preparation method of kaolin and waste plant fiber composite board |
-
2015
- 2015-04-21 CN CN201510188298.8A patent/CN106147260A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967291A (en) * | 2010-10-11 | 2011-02-09 | 内蒙古大学 | Method for preparing board by using hot gelatinized starch and waste plant fiber |
| CN101967292A (en) * | 2010-10-11 | 2011-02-09 | 内蒙古大学 | Method preparing boards by using alkaline gelatinized starch as adhesive and waste vegetable fibers |
| CN102408584A (en) * | 2011-08-30 | 2012-04-11 | 姜勇 | Preparation method for straw base packing material |
| CN103289428A (en) * | 2013-07-03 | 2013-09-11 | 内蒙古大学 | Preparation method of kaolin and waste plant fiber composite board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111116995A (en) * | 2019-12-30 | 2020-05-08 | 宁波荣书生物科技有限公司 | Method for preparing degradable material by using cord grass |
| CN115044222A (en) * | 2022-05-07 | 2022-09-13 | 广州至简通用设备制造有限公司 | Bio-based composite material and preparation method thereof |
| CN116479676A (en) * | 2023-04-13 | 2023-07-25 | 重庆植本环保科技有限公司 | Plant fiber material and preparation process thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Chen Bo Inventor after: Luo Heng Inventor after: Huang Jiasheng Inventor after: Ge Zhengtong Inventor after: Sun Qingfeng Inventor after: Wang Haibo Inventor before: Luo Heng Inventor before: Wang Haibo |
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Application publication date: 20161123 |
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