CN105729824A - Manufacturing method of plant biomass fiber molded products - Google Patents
Manufacturing method of plant biomass fiber molded products Download PDFInfo
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- CN105729824A CN105729824A CN201610097772.0A CN201610097772A CN105729824A CN 105729824 A CN105729824 A CN 105729824A CN 201610097772 A CN201610097772 A CN 201610097772A CN 105729824 A CN105729824 A CN 105729824A
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- Prior art keywords
- plant biomass
- blank
- fiber
- manufacture method
- molding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
- B29B15/125—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex by dipping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a manufacturing method of plant biomass fiber molded products. The manufacturing method includes the following steps that hemp fibers, bamboo fibers and other plant biomass fibers serve as raw materials, biomass fiber blank of a certain specification is manufactured and tailored by means of a non-woven weaving process, the biomass fiber blank is made into glue-containing blank through a glue dipping and glue extruding process, and the glue-containing blank is made into a molded part through a mold pressing drying process. Plant biomass fiber materials which are low in cost and can be recycled are used for preparing various molded assemblies and can substitute plastic and other petroleum-based products to be widely used in the industries of buildings, decoration, special-shaped packaging, automobile trims and the like, production cost of the industries can be reduced easily, high value-added utilization of plant biomass materials is achieved, and low-carbon development of relevant industries in China is promoted.
Description
Technical field
The present invention relates to the manufacture method of a kind of pressing, particularly relate to the manufacture method of a kind of plant biomass fibre mould pressing product.
Background technology
Plant biomass fiber is the natural material that reserves are maximum in the world, it is possible to continuous circulation forever, regeneration.Utilize low cost, plant biomass fibrous material capable of circulation, as flaxen fiber, bamboo fibre etc. prepare various mold pressing assembly, substitute the petroleum-based plastics goods that polyethylene, polypropylene etc. are non-renewable, it is widely used in the industries such as building, fitting-up, abnormity packaging, automotive trim, the production cost of these field products not only can be greatly lowered, realize the high value added utilization of plant biological material, and advantageously reduce its CO2 emission, promote the low carbon development of China's related industry, be an important development direction of China's industry.
Summary of the invention
The purpose of the present invention: provide the manufacture method of a kind of plant biomass fibre mould pressing product, with the biomass fiber such as flaxen fiber, bamboo fiber for raw material, makes various Special-shaped moulded part by on-woven technique and mould pressing process, for industrial uses such as automobiles.
To achieve these goals, the technical scheme is that
A kind of manufacture method of plant biomass fibre mould pressing product, comprise the steps: with plant biomass fiber for raw material, described plant biomass fiber includes flaxen fiber and bamboo fiber, the biomass fiber blank of certain specification is manufactured and is cut into by on-woven technique, again described biomass fiber blank is made containing compound blank material by impregnation, plastic squeeze technique, described is made molding containing compound blank material again through a mold pressing dry run.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, the flaxen fiber of described plant biomass fiber and the length of bamboo fiber are 3cm-6cm.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, the preparation process of described biomass fiber blank comprises the steps: by described plant biomass fiber is discongested, shredding, combing, air lay, one-tenth felt become felt material or coiled material.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, described impregnation, plastic squeeze technique are described biomass fiber blank to be put into one equipped with, in the glue groove of liquid adhesive, impregnating certain time；Described biomass fiber blank is taken out from glue groove, by a gelatin extrusion machine, the redundant rubber stock in described biomass fiber blank is extruded.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, the concentration of impregnation basis of time glue of described biomass fiber blank, viscosity and impregnation resin content required change, for 5-30 minute.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, the plastic squeeze pressure of described gelatin extrusion machine is 0.1-1.0MPa.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, described impregnation, the temperature of plastic squeeze technique are room temperature；Described impregnation, plastic squeeze technique carry out secondary or three impregnations, paste ejecting operation according to technological requirement.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, described liquid adhesive is heat curing-type liquid adhesive.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, described liquid adhesive is the combination of one or more binding agents in phenolic aldehyde, urea aldehyde, isocyanates.
The manufacture method of above-mentioned plant biomass fibre mould pressing product, wherein, described mold pressing dry run comprises the steps: to be placed in a mould designed by the described material containing compound blank, is dried mold pressing by 3 sections of pressing technologies；First paragraph is high pressure compression molding section: molding pressure is 1-3MPa, and clamp time is every millimeter of molding thickness 0.1-0.5 minute；Second segment is low pressure dryer section: molding pressure is 0.1-0.5MPa, and clamp time is every millimeter of molding thickness 1-10 minute；3rd section is low pressure molding section: molding pressure is 0-0.1MPa, and clamp time is every millimeter of molding thickness 1-3 minute；Finally being opened by mould, molding is formed.
The present invention utilizes low cost, the plant biomass fibrous material of reusable edible prepares various mold pressing assembly, the petroleum-based products such as alternative plastics, it is widely used in the industries such as building, fitting-up, abnormity packaging, automotive trim, advantageously reduce the production cost of these industries, realize the high value added utilization of plant biological material, promote the low carbon development of China's related industries.
Detailed description of the invention
A kind of manufacture method of plant biomass fibre mould pressing product, comprise the steps: with the plant biomass fiber such as flaxen fiber, bamboo fiber for raw material, the biomass fiber blank of certain specification is manufactured and is cut into by on-woven technique, again described biomass fiber blank is made containing compound blank material by impregnation, plastic squeeze technique, described is made molding containing compound blank material again through a mold pressing dry run.
The flaxen fiber of described plant biomass fiber and the length of bamboo fiber are 3cm-6cm.
The on-woven techniques such as the preparation process of described biomass fiber blank comprises the steps: by described plant biomass fiber is discongested, shredding, combing, air lay, one-tenth felt make felt material or coiled material.
Described impregnation, plastic squeeze technique are described biomass fiber blank to be put into one equipped with, in the glue groove of liquid adhesive, impregnating certain time；Described biomass fiber blank is taken out from glue groove, by a gelatin extrusion machine, the redundant rubber stock in described biomass fiber blank is extruded.
The concentration of impregnation basis of time glue of described biomass fiber blank, viscosity and impregnation resin content require change, are generally 5-30 minute.
The plastic squeeze pressure of described gelatin extrusion machine is 0.1-1.0MPa.
Described impregnation, the temperature of plastic squeeze technique are room temperature.Secondary or three impregnations, paste ejecting operation can also be carried out according to technological requirement.
Described liquid adhesive can be the various heat curing-type liquid adhesives such as phenolic aldehyde, urea aldehyde, isocyanates, or the combination of several binding agent.
Described mold pressing dry run comprises the steps: to be placed in a mould designed by the described material containing compound blank, is dried mold pressing by 3 sections of pressing technologies；First paragraph is high pressure compression molding section: molding pressure is 1-3MPa, and clamp time is every millimeter of molding thickness 0.1-0.5 minute；Second segment is low pressure dryer section: molding pressure is 0.1-0.5MPa, and clamp time is every millimeter of molding thickness 1-10 minute (being adjusted according to blank moisture content)；3rd section is low pressure molding section: molding pressure is 0-0.1MPa, and clamp time is every millimeter of molding thickness 1-3 minute；Finally being opened by mould, molding is formed.
Embodiment 1:
By flaxen fiber that length is 3-6 centimetre or bamboo fiber by discongesting, shredding, combing, air lay, the on-woven technique such as one-tenth felt makes felt material or coiled material, and is cut into the blank of certain specification.Blank is put at normal temperatures one equipped with, in the glue groove of the phenol glue liquid of 30% concentration, being taken out from glue groove by blank after impregnating 5 minutes, with gelatin extrusion machine, the redundant rubber stock in blank is extruded.Plastic squeeze pressure is 1.0MPa, and plastic squeeze temperature is room temperature.
The above-mentioned material containing compound blank is placed in a mould designed, is dried mold pressing by 3 sections of pressing technologies.First paragraph is high pressure compression molding section；Molding pressure is 2MPa, and clamp time is every millimeter of molding thickness 0.5 minute.Second segment is low pressure dryer section；Molding pressure is 0.3MPa, and clamp time is every millimeter of molding thickness 3 minutes.3rd section is low pressure molding section；Molding pressure is 0.1MPa, and clamp time is every millimeter of molding thickness 3 minutes.Final mould opens, and molding is formed.
Embodiment 2:
By flaxen fiber that length is 3-6 centimetre or bamboo fiber by discongesting, shredding, combing, air lay, the on-woven technique such as one-tenth felt makes felt material or coiled material, and is cut into the blank of certain specification.Blank is put at normal temperatures one equipped with, in the glue groove of the water-based isocyanate binding agent of 20-40% concentration, being taken out from glue groove by blank after impregnating 5 minutes, with gelatin extrusion machine, the redundant rubber stock in blank is extruded.Plastic squeeze pressure is 1.0MPa, and plastic squeeze temperature is room temperature.
The above-mentioned material containing compound blank is placed in a mould designed, is dried mold pressing by 3 sections of pressing technologies.First paragraph is high pressure compression molding section；Molding pressure is 2MPa, and clamp time is every millimeter of molding thickness 0.5 minute.Second segment is low pressure dryer section；Molding pressure is 0.3MPa, and clamp time is every millimeter of molding thickness 3 minutes.3rd section is low pressure molding section；Molding pressure is 0.1MPa, and clamp time is every millimeter of molding thickness 3 minutes.Final mould opens, and molding is formed.
In sum, the present invention utilizes low cost, the plant biomass fibrous material of reusable edible prepares various mold pressing assembly, the petroleum-based products such as alternative plastics, it is widely used in the industries such as building, fitting-up, abnormity packaging, automotive trim, advantageously reduce the production cost of these industries, realize the high value added utilization of plant biological material, promote the low carbon development of China's related industries.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the present invention to make; or directly or indirectly use the technical field being attached to other Related products, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. the manufacture method of a plant biomass fibre mould pressing product, it is characterized in that: comprise the steps: with plant biomass fiber for raw material, described plant biomass fiber includes flaxen fiber and bamboo fiber, the biomass fiber blank of certain specification is manufactured and is cut into by on-woven technique, again described biomass fiber blank is made containing compound blank material by impregnation, plastic squeeze technique, described is made molding containing compound blank material again through a mold pressing dry run.
2. the manufacture method of plant biomass fibre mould pressing product according to claim 1, it is characterised in that: the flaxen fiber of described plant biomass fiber and the length of bamboo fiber are 3cm-6cm.
3. the manufacture method of plant biomass fibre mould pressing product according to claim 1, it is characterised in that: the preparation process of described biomass fiber blank comprises the steps: by described plant biomass fiber is discongested, shredding, combing, air lay, one-tenth felt become felt material or coiled material.
4. the manufacture method of plant biomass fibre mould pressing product according to claim 1, it is characterised in that: described impregnation, plastic squeeze technique are described biomass fiber blank to be put into one equipped with, in the glue groove of liquid adhesive, impregnating certain time；Described biomass fiber blank is taken out from glue groove, by a gelatin extrusion machine, the redundant rubber stock in described biomass fiber blank is extruded.
5. the manufacture method of plant biomass fibre mould pressing product according to claim 4, it is characterised in that: the concentration of impregnation basis of time glue of described biomass fiber blank, viscosity and impregnation resin content required change, for 5-30 minute.
6. the manufacture method of plant biomass fibre mould pressing product according to claim 4, it is characterised in that: the plastic squeeze pressure of described gelatin extrusion machine is 0.1-1.0MPa.
7. the manufacture method of plant biomass fibre mould pressing product according to claim 4, it is characterised in that: described impregnation, the temperature of plastic squeeze technique are room temperature；Described impregnation, plastic squeeze technique carry out secondary or three impregnations, paste ejecting operation according to technological requirement.
8. the manufacture method of plant biomass fibre mould pressing product according to claim 4, it is characterised in that: described liquid adhesive is heat curing-type liquid adhesive.
9. the manufacture method of plant biomass fibre mould pressing product according to claim 8, it is characterised in that: described liquid adhesive is the combination of one or more binding agents in phenolic aldehyde, urea aldehyde, isocyanates.
10. the manufacture method of plant biomass fibre mould pressing product according to claim 1, it is characterized in that: described mold pressing dry run comprises the steps: to be placed in a mould designed by the described material containing compound blank, is dried mold pressing by 3 sections of pressing technologies；First paragraph is high pressure compression molding section: molding pressure is 1-3MPa, and clamp time is every millimeter of molding thickness 0.1-0.5 minute；Second segment is low pressure dryer section: molding pressure is 0.1-0.5MPa, and clamp time is every millimeter of molding thickness 1-10 minute；3rd section is low pressure molding section: molding pressure is 0-0.1MPa, and clamp time is every millimeter of molding thickness 1-3 minute；Finally being opened by mould, molding is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097772.0A CN105729824A (en) | 2016-02-23 | 2016-02-23 | Manufacturing method of plant biomass fiber molded products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097772.0A CN105729824A (en) | 2016-02-23 | 2016-02-23 | Manufacturing method of plant biomass fiber molded products |
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| Publication Number | Publication Date |
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| CN105729824A true CN105729824A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610097772.0A Pending CN105729824A (en) | 2016-02-23 | 2016-02-23 | Manufacturing method of plant biomass fiber molded products |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520363A (en) * | 2012-06-01 | 2015-04-15 | 阿克马法国公司 | Thermoplastic composite material made from natural fibres. |
-
2016
- 2016-02-23 CN CN201610097772.0A patent/CN105729824A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520363A (en) * | 2012-06-01 | 2015-04-15 | 阿克马法国公司 | Thermoplastic composite material made from natural fibres. |
Non-Patent Citations (4)
| Title |
|---|
| 卢艳光: "《人造板及其制品质量监督检验实务》", 31 July 2014, 北京：中国林业出版社 * |
| 张一甫: "苎麻落麻纤维增强热固性树脂复合材料的制备及性能研究", 《玻璃钢/复合材料》 * |
| 沃丁柱: "《复合材料大全》", 31 January 2000, 化学工业出版社 * |
| 王立久: "《建筑材料工艺原理》", 31 March 2006, 北京：中国建材工业出版社 * |
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Application publication date: 20160706 |
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