CN106273129A - Support bar preparation technology moulded by a kind of wood - Google Patents

Support bar preparation technology moulded by a kind of wood Download PDF

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Publication number
CN106273129A
CN106273129A CN201610715808.7A CN201610715808A CN106273129A CN 106273129 A CN106273129 A CN 106273129A CN 201610715808 A CN201610715808 A CN 201610715808A CN 106273129 A CN106273129 A CN 106273129A
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Prior art keywords
raw material
shaping dies
support bar
wood
preparation technology
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Granted
Application number
CN201610715808.7A
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Chinese (zh)
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CN106273129B (en
Inventor
李汪洋
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ANHUI HONGDA PLASTIC TECHNOLOGY Co Ltd
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ANHUI HONGDA PLASTIC TECHNOLOGY Co Ltd
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Priority to CN201610715808.7A priority Critical patent/CN106273129B/en
Publication of CN106273129A publication Critical patent/CN106273129A/en
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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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making 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
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02—Deburring or deflashing
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/36—Removing moulded articles
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/44—Measuring, controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/44—Furniture or parts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

Support bar preparation technology moulded by a kind of wood, including weighing the wooden contact-segment raw material moulding support bar of composition respectively, supporting section raw material, breeze way raw material each mix homogeneously, each raw material is melted under corresponding temperature, raw material injection molding mould after thawing shapes, finally carry out the demoulding and polishing, the support bar quality that the present invention prepares is tight, intensity is high, good toughness, compared to common preparation technology, product yield is obviously improved, have wood materials and plastic material advantage concurrently, disclosure satisfy that moistureproof requirement, friction is contacted big with ground, it is not likely to produce sliding, this preparation technology flow process is simple simultaneously, low cost, good in economic efficiency.

Description

Support bar preparation technology moulded by a kind of wood
Technical field
The present invention relates to wood and mould preparing technical field, be specifically related to a kind of wood and mould support bar preparation technology.
Background technology
Material is divided into metal material, Inorganic Non-metallic Materials and high-molecular organic material three by difference according to chemical composition Big class and their composite.Along with material is towards the development in the direction that becomes more meticulous, the parts possibility that identical product is different Use multiple material to meet different performance requirements, and be no longer traditional homogenous material, tables and chairs as daily living article, Essentially wood materials, plastic material or the metal material sold on market, as support bar (i.e. table leg or the chair of tables and chairs Lower limb) not only there is higher bearing capacity the most also need to meet anti-skidding, moisture-proof function, wood materials disclosure satisfy that anti-skidding wanting Asking, but make moist and easily become rotten, plastic material disclosure satisfy that moistureproof requirement, but contact with ground and easily occur skidding, metal Material then easily corrosion.
Wood-plastic material is increasingly subject to the extensive concern of people as a kind of new material, selects Wood-plastic material not support bar The advantage only having wood materials and plastic material concurrently is also less prone to corrosion simultaneously, has a higher bearing capacity, but existing preparation The shortcomings such as technique is usually present prepared product quality and loosens, and yield rate is low, and processing procedure is unstable.
Summary of the invention
The present invention solves the problems referred to above, it is provided that a kind of processing procedure is stable, and a kind of wood that product yield is high is moulded support bar and prepared Technique.
The technical problem to be solved uses following technical scheme to realize:
Support bar preparation technology moulded by a kind of wood, comprises the following steps:
(1) weigh composition wood respectively mould the contact-segment raw material of support bar, supporting section raw material, breeze way raw material and each mix Uniformly；
(2) by above-mentioned three kinds of raw materials respectively at 120～130 DEG C, 150～180 DEG C, melt at 200～210 DEG C, melt Constantly it is stirred during change；
(3) by shaping dies and power on, control shaping dies temperature, at 125 DEG C, is watered in shaping dies cylindrical hole Build molten state breeze way raw material, by pour the time control breeze way length at 10cm, cut off the electricity supply, make shaping dies slowly drop Temperature, in time being down to 50～60 DEG C, pours molten state supporting section raw material in shaping dies hole, controls gripping section by pouring the time Length is at 35cm, when temperature is down to 50～60 DEG C, then pours molten state contact-segment raw material in shaping dies hole, by pouring Time controls holding section length at 10cm；
(4), when room temperature is down to by mould to be formed, shaping dies is made to be brought rapidly up to 110 shaping dies and power on DEG C, then cut off the electricity supply and naturally cool to room temperature；The support bar prepared is made to have higher intensity and toughness by this step, with Time be easy to next step stripping operation.
(5) prepared support bar is carried out from shaping dies the demoulding, first spray in shaping dies cylindrical hole before the demoulding Releasing agent, then shaping dies is placed on vibration table vibration 3～5min, upwards take off from shaping dies cylindrical hole bottom during the demoulding Mould；
(6) is polished in gained support bar surface after the demoulding, remove flash removed.
In described step (1), breeze way raw material is made up of the raw material of following weight portion:
Polyethylene 20-30 part, Tissuemat E 1-1.8 part, polyurethane 0.5-1.2 part, polyamide 1.5-2.5 part, natural rubber Glue 1.2-1.8 part, polystyrene 0.5-1.2 part, plant gum 1.3-1.5 part, chitin 0.2-0.8 part, starch 0.5-0.8 part, Gelatin 0.2-0.6 part, jelly wax 0.4-0.6 part.
In described step (1), contact-segment raw material is made up of the raw material of following weight portion:
Politef 18-25 part, polyethylene 8-10 part, succinum 2-3 part, Lac 1.5-2.5 part, Apis cerana Fabricius 1.2-1.8 part, Bamboo powder 0.5-1.0 part, wood rosin 1.4-2.0 part, cocoanut fiber 2-2.5 part, kapok shell 0.8-1.5 part, Cortex ulmi pumilae 0.5-1.2 Part, asbestos fibre 2-3 part, corn straw 1.3-1.8 part, pectic substance 0.6-1.4 part；
In described step (1), supporting section raw material is made up of the raw material of following weight portion:
Polypropylene 15-25 part, polyethylene terephthalate 20-25 part, acetate fiber plastics 15-20 part, polycyclic oxygen Ethane 10-20 part, polyarylate 12-18 part, bran powder 6-10 part, silica gel 5-8 part, straw 4-6 part, crystal soil 7-9 part, bagasse 5-8 part, Pericarppium arachidis hypogaeae 3-5 part.
In described step (3), shaping dies lateral wall is socketed with cylinder blanket, described cylinder blanket inwall and shaping Between mould lateral wall, gap is wound around solenoid, and described solenoid is connected with controller, and described controller is connected with power supply, By described solenoid, shaping dies is heated, control shaping dies temperature and ensure pouring quality.
The invention have the benefit that the support bar quality that the present invention prepares is tight, intensity is high, and good toughness, compared to general Logical preparation technology, product yield is obviously improved, and has wood materials and plastic material advantage concurrently, it is possible to meet moistureproof requirement, with Ground contact friction is big, is not likely to produce sliding, and this preparation technology flow process is simple simultaneously, and low cost is good in economic efficiency.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot Close embodiment, the present invention is expanded on further.
Support bar preparation technology moulded by a kind of wood, comprises the following steps:
(1) weigh composition wood respectively mould the contact-segment raw material of support bar, supporting section raw material, breeze way raw material and each mix Uniformly；
(2) by above-mentioned three kinds of raw materials respectively at 120～130 DEG C, 150～180 DEG C, melt at 200～210 DEG C, melt Constantly it is stirred during change；
(3) by shaping dies and power on, control shaping dies temperature, at 125 DEG C, is watered in shaping dies cylindrical hole Build molten state breeze way raw material, by pour the time control breeze way length at 10cm, cut off the electricity supply, make shaping dies slowly drop Temperature, in time being down to 50～60 DEG C, pours molten state supporting section raw material in shaping dies hole, controls gripping section by pouring the time Length is at 35cm, when temperature is down to 50～60 DEG C, then pours molten state contact-segment raw material in shaping dies hole, by pouring Time controls holding section length at 10cm；
(4), when room temperature is down to by mould to be formed, shaping dies is made to be brought rapidly up to 110 shaping dies and power on DEG C, then cut off the electricity supply and naturally cool to room temperature；The support bar prepared is made to have higher intensity and toughness by this step, with Time be easy to next step stripping operation.
(5) prepared support bar is carried out from shaping dies the demoulding, first spray in shaping dies cylindrical hole before the demoulding Releasing agent, then shaping dies is placed on vibration table vibration 3～5min, upwards take off from shaping dies cylindrical hole bottom during the demoulding Mould；
(6) is polished in gained support bar surface after the demoulding, remove flash removed.
In described step (1), breeze way raw material is made up of the raw material of following weight portion:
Polyethylene 20-30 part, Tissuemat E 1-1.8 part, polyurethane 0.5-1.2 part, polyamide 1.5-2.5 part, natural rubber Glue 1.2-1.8 part, polystyrene 0.5-1.2 part, plant gum 1.3-1.5 part, chitin 0.2-0.8 part, starch 0.5-0.8 part, Gelatin 0.2-0.6 part, jelly wax 0.4-0.6 part.
In described step (1), contact-segment raw material is made up of the raw material of following weight portion:
Politef 18-25 part, polyethylene 8-10 part, succinum 2-3 part, Lac 1.5-2.5 part, Apis cerana Fabricius 1.2-1.8 part, Bamboo powder 0.5-1.0 part, wood rosin 1.4-2.0 part, cocoanut fiber 2-2.5 part, kapok shell 0.8-1.5 part, Cortex ulmi pumilae 0.5-1.2 Part, asbestos fibre 2-3 part, corn straw 1.3-1.8 part, pectic substance 0.6-1.4 part；
In described step (1), supporting section raw material is made up of the raw material of following weight portion:
Polypropylene 15-25 part, polyethylene terephthalate 20-25 part, acetate fiber plastics 15-20 part, polycyclic oxygen Ethane 10-20 part, polyarylate 12-18 part, bran powder 6-10 part, silica gel 5-8 part, straw 4-6 part, crystal soil 7-9 part, bagasse 5-8 part, Pericarppium arachidis hypogaeae 3-5 part.
In described step (3), shaping dies lateral wall is socketed with cylinder blanket, described cylinder blanket inwall and shaping Between mould lateral wall, gap is wound around solenoid, and described solenoid is connected with controller, and described controller is connected with power supply, By described solenoid, shaping dies is heated, control shaping dies temperature and ensure pouring quality.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry The personnel only present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description Preference, be not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention also has various Changes and improvements, these changes and improvements both fall within scope of the claimed invention.Claimed scope is by institute Attached claims and equivalent thereof define.

Claims (5)

1. a support bar preparation technology moulded by wood, comprises the following steps:
(1) weigh composition wood respectively mould the contact-segment raw material of support bar, supporting section raw material, breeze way raw material and each mix all Even；
(2) by above-mentioned three kinds of raw materials respectively at 120～130 DEG C, 150～180 DEG C, melt at 200～210 DEG C, melted Journey is constantly stirred；
(3) by shaping dies and power on, control shaping dies temperature, at 125 DEG C, pours molten in shaping dies cylindrical hole Melt state breeze way raw material, by pour the time control breeze way length at 10cm, cut off the electricity supply, make shaping dies slowly lower the temperature, In time being down to 50～60 DEG C, in shaping dies hole, pour molten state supporting section raw material, control clamping segment length by pouring the time Degree, at 35cm, when temperature is down to 50～60 DEG C, then pours molten state contact-segment raw material, during by pouring in shaping dies hole Between control holding section length at 10cm；
(4), when room temperature is down to by mould to be formed, shaping dies is made to be brought rapidly up to 110 DEG C shaping dies and power on, then Cut off the electricity supply and naturally cool to room temperature；
(5) prepared support bar is carried out from shaping dies the demoulding, in shaping dies cylindrical hole, before the demoulding, first spray the demoulding Agent, then shaping dies is placed on vibration table vibration 3～5min, from the upwards demoulding of shaping dies cylindrical hole bottom during the demoulding；
(6) is polished in gained support bar surface after the demoulding, remove flash removed.
2. support bar preparation technology moulded by a kind of wood as claimed in claim 1, it is characterised in that breeze way in described step (1) Raw material is made up of the raw material of following weight portion:
Polyethylene 20-30 part, Tissuemat E 1-1.8 part, polyurethane 0.5-1.2 part, polyamide 1.5-2.5 part, natural rubber 1.2-1.8 part, polystyrene 0.5-1.2 part, plant gum 1.3-1.5 part, chitin 0.2-0.8 part, starch 0.5-0.8 part is bright Glue 0.2-0.6 part, jelly wax 0.4-0.6 part.
3. support bar preparation technology moulded by a kind of wood as claimed in claim 1, it is characterised in that contact-segment in described step (1) Raw material is made up of the raw material of following weight portion:
Politef 18-25 part, polyethylene 8-10 part, succinum 2-3 part, Lac 1.5-2.5 part, Apis cerana Fabricius 1.2-1.8 part, bamboo powder 0.5-1.0 part, wood rosin 1.4-2.0 part, cocoanut fiber 2-2.5 part, kapok shell 0.8-1.5 part, Cortex ulmi pumilae 0.5-1.2 part, stone Cotton fiber 2-3 part, corn straw 1.3-1.8 part, pectic substance 0.6-1.4 part.
4. support bar preparation technology moulded by a kind of wood as claimed in claim 1, it is characterised in that supporting section in described step (1) Raw material is made up of the raw material of following weight portion:
Polypropylene 15-25 part, polyethylene terephthalate 20-25 part, acetate fiber plastics 15-20 part, poly(ethylene oxide) 10-20 part, polyarylate 12-18 part, bran powder 6-10 part, silica gel 5-8 part, straw 4-6 part, crystal soil 7-9 part, bagasse 5-8 Part, Pericarppium arachidis hypogaeae 3-5 part.
5. support bar preparation technology moulded by a kind of wood as claimed in claim 1, it is characterised in that finishing die in described step (3) Tool lateral wall is socketed with cylinder blanket, and between described cylinder blanket inwall and shaping dies lateral wall, gap is wound around electromagnetic wire Circle, described solenoid is connected with controller, and described controller is connected with power supply.
CN201610715808.7A 2016-08-24 2016-08-24 A kind of wood moulding supporting rod preparation process Active CN106273129B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610715808.7A CN106273129B (en) 2016-08-24 2016-08-24 A kind of wood moulding supporting rod preparation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610715808.7A CN106273129B (en) 2016-08-24 2016-08-24 A kind of wood moulding supporting rod preparation process

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CN106273129A true CN106273129A (en) 2017-01-04
CN106273129B CN106273129B (en) 2018-08-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369614A (en) * 1986-09-10 1988-03-29 Mazda Motor Corp Multi-layer reactive injection molding
JPH05329849A (en) * 1992-05-27 1993-12-14 Inoac Corp Method for sealing mold for foam molding
JP2000280269A (en) * 1999-04-01 2000-10-10 Yamaha Livingtec Corp Multi-color molding and method for molding it
CN101747639A (en) * 2008-12-12 2010-06-23 比亚迪股份有限公司 Wood plastic composite composition, wood plastic composite and preparation method thereof
CN205338246U (en) * 2015-11-25 2016-06-29 无锡啄木鸟环保建材有限公司 Dining table is moulded to self assembly wood
CN105860231A (en) * 2016-06-23 2016-08-17 刘莹莹 Hard anti-crack wood plastic material and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369614A (en) * 1986-09-10 1988-03-29 Mazda Motor Corp Multi-layer reactive injection molding
JPH05329849A (en) * 1992-05-27 1993-12-14 Inoac Corp Method for sealing mold for foam molding
JP2000280269A (en) * 1999-04-01 2000-10-10 Yamaha Livingtec Corp Multi-color molding and method for molding it
CN101747639A (en) * 2008-12-12 2010-06-23 比亚迪股份有限公司 Wood plastic composite composition, wood plastic composite and preparation method thereof
CN205338246U (en) * 2015-11-25 2016-06-29 无锡啄木鸟环保建材有限公司 Dining table is moulded to self assembly wood
CN105860231A (en) * 2016-06-23 2016-08-17 刘莹莹 Hard anti-crack wood plastic material and preparation method thereof

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