CN106003748A - Preparation method of color-mixed and hot-pressed plastic-wood composite profile - Google Patents
Preparation method of color-mixed and hot-pressed plastic-wood composite profile Download PDFInfo
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- CN106003748A CN106003748A CN201610344990.XA CN201610344990A CN106003748A CN 106003748 A CN106003748 A CN 106003748A CN 201610344990 A CN201610344990 A CN 201610344990A CN 106003748 A CN106003748 A CN 106003748A
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- Prior art keywords
- preparation
- granulation process
- masterbatch
- addition
- wood composite
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention belongs to the technical field of production of plastic-wood composite profiles, and in particular, relates to a preparation method of a color-mixed and hot-pressed plastic-wood composite profile. The preparation method comprises a raw material granulation process, a masterbatch granulation process, an extrusion molding process, a hot pressing process and a cooling process; and the masterbatch granulation process includes a primary color masterbatch granulation process and an auxiliary color masterbatch granulation process. The method can prepare the plastic-wood composite profile with rich and smooth colors and efficient performance, and is simple in steps, convenient in preparation, low in time consumption and low in energy consumption; and the prepared plastic-wood profile has the advantages of rich colors, high smoothness and good aging resistance and wear resistance.
Description
Technical field
The invention belongs to plastic-wood composite section production technical field, particularly relate to a kind of colour mixture hot compression molding wood composite profile
Preparation method.
Background technology
At present plastic-wood composite section is mainly with plastics, bamboo/wood fiber as raw material, it be by plastics and bamboo/wood flour according to
It is similar to what the ratio of 3:5 was made.Mould wood and have the Waterproof corrosion of plastics and two kinds of characteristics of texture of timber concurrently so that it becomes one
Plant function admirable the most durable outdoor building materials, and purposes is extremely wide.Existing wood products performance of moulding is the most not ideal enough, also
There is the parameters such as the density of some defects, such as plastic wood sheet, water absorption to still need to improve further, and existing plastic-wood material product
Plant the most single, be mostly the product of single color.
The Chinese invention patent that patent publication No. is CN 105086245 A, publication date is 2015.11.25 discloses one
Pvc plastic wood sheet and preparation method thereof, is made up of the raw material of following weight portion: polrvinyl chloride 100-105, Kaolin 15-
18, wood powder 30-35, carbonyl iron dust 5-7, copper sulphate pentahydrate 0.8-1.2, nitrile rubber 4-6, titanate coupling agent NDZ2010.2-
0.4, silane coupler YH620.4-0.6, vaseline 4-5, maleic acid octyl group zinc 3-4, precipitated calcium carbonate 6-7, ceramic powders 4-
5。
It is many, complicated that raw material is prepared in this invention existence, and it is single that the plastic wood sheet after preparation exists color, aging resistance, wearability
The problem of energy difference.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of colour mixture hot compression molding wood composite profile, it can prepare rich color
And smooth, the plastic-wood composite section of performance efficiency, the present invention has that step is simple, preparation is convenient, and preparation technology is the shortest, energy consumption
Low, prepare the plastic-wood section rich color of gained, fluency height, the advantage that aging resistance, anti-wear performance are good.
The present invention solves the problems referred to above and the technical scheme is that the preparation side of a kind of colour mixture hot compression molding wood composite profile
Method, including raw material granulation process, colorant granulation process, extrusion molding process, hot pressing and cooling procedure, described colorant is made
Grain process includes primary colours Masterbatch granulation process and auxiliary color Masterbatch granulation process.
Further preferred technical scheme is: carry out the only pelletize of plurality of color material list in described colorant granulation process, described
Auxiliary color Masterbatch carrying out in auxiliary color Masterbatch granulation process feed back crush, the described auxiliary color Masterbatch size after crushing is described
The 1/10-1/8 of the described primary colours Masterbatch size that primary colours Masterbatch granulation process produces.Auxiliary color Masterbatch described in this setting
Granular size is less than the granular size of described primary colours Masterbatch, it is ensured that described in the additive step of described extrusion molding process
The distribution of auxiliary color Masterbatch can be more uniform, and assists the primary colours that described primary colours Masterbatch formed, not only makes the institute prepared
The various colors stating plastic-wood section is colorful, it is often more important that so that between the multiple color of described plastic-wood section excessively the most more
Smooth, soft, it is to avoid to produce variegated flecky problem, the outward appearance so further providing described plastic-wood section is overall
Property.
Further preferred technical scheme is: the amount of the total Masterbatch added during described extrusion molding is raw material
The 10-12% of grain addition, the addition of described auxiliary color Masterbatch is the 60-160% of described primary colours Masterbatch addition.This setting
In the addition sum of multiple described auxiliary color Masterbatch can exceed the addition of described primary colours Masterbatch, but any of which one
The addition planting described auxiliary color Masterbatch is less than described primary colours Masterbatch addition.
Further preferred technical scheme is: in described raw material granulation process, required raw material components and group component
For: wood powder 35-65%；PE particle 18-25%；Compatilizer 5-8%；Lubricant 1-3%；Filler 5-12%；Processing aid 15-22%, with
The group component sum of upper each component is 100%.
Further preferred technical scheme is: described filler includes wear resistant filler and aging resistance filler, described wear-resisting
The addition of filler is 1/5-1/2 with the ratio of the addition of described aging resistance filler.
Further preferred technical scheme is: described processing aid includes coupling agent, plasticizer, foaming agent and foaming
Regulator, the addition of described plasticizer accounts for the 40-55% of described processing aid total addition level.
Further preferred technical scheme is: the addition of the addition of described foaming control agent and described foaming agent it
Ratio is 1/5-1/3.The effect of foaming control agent described in this setting is so that foaming more uniform, described foaming control agent
Addition should be less than the addition of described foaming agent, it is to avoid occur foaming the most thorough and the adding of described foaming control agent itself
Add the overall performance that also can affect described plastic-wood section, so controlling in the range of described addition.
Further preferred technical scheme is: in described raw material granulation process during raw material mixing, and temperature controls as 102-
110 DEG C, during pelletize, comminutor temperature controls as 150-200 DEG C.
Further preferred technical scheme is: during described extrusion molding, extruder temperature controls at 150-170 DEG C,
When entering mould molding, the temperature of described mould controls between 125-155 DEG C.
Further preferred technical scheme is: regulate the upper-lower height of knurling rolls in described hot pressing, to softening shape
The section bar of state carries out embossed, and the temperature cooling down water in described cooling procedure controls at 10-20 DEG C.
The present invention can prepare rich color and smoothness, the plastic-wood composite section of performance efficiency, the present invention have step simple,
Preparation is convenient, and preparation technology is the shortest, energy consumption is low, prepares the plastic-wood section rich color of gained, fluency high, aging resistance, resistance to
The advantage that mill performance is good.
Detailed description of the invention
The following stated is only presently preferred embodiments of the present invention, is not defined the scope of the present invention.
Embodiment one: the preparation method of a kind of colour mixture hot compression molding wood composite profile, including raw material granulation process, colorant pelletize
Process, extrusion molding process, hot pressing and cooling procedure, described colorant granulation process includes primary colours Masterbatch granulation process
And auxiliary color Masterbatch granulation process.
Described colorant granulation process carries out the only pelletize of plurality of color material list, to auxiliary color in described auxiliary color Masterbatch granulation process
Masterbatch carries out feed back and crushes, and the described auxiliary color Masterbatch size after crushing is the institute that described primary colours Masterbatch granulation process produces
State the 1/10 of primary colours Masterbatch size.The granular size of described auxiliary color Masterbatch is less than the granular size of described primary colours Masterbatch,
Ensure that the distribution of auxiliary color Masterbatch can be more uniform described in the additive step of described extrusion molding process, and assist institute
Stating the primary colours that primary colours Masterbatch is formed, the various colors not only making the described plastic-wood section of preparation is colorful, it is often more important that, make
Described plastic-wood section multiple color between excessively more smooth, the softest, it is to avoid produce variegated flecky problem, this
Sample further provides the outward appearance globality of described plastic-wood section.The amount of the total Masterbatch added during described extrusion molding
For the 10% of raw material grain addition, the addition of described auxiliary color Masterbatch is the 60% of described primary colours Masterbatch addition.
In described raw material granulation process, required raw material components and group component be: wood powder 35%；PE particle 25%；Compatible
Agent 5%；Lubricant 3%；Filler 10%；Processing aid 22%, the group component sum of above each component is 100%.Described filler includes resistance to
Mill filler and aging resistance filler, the addition of described wear resistant filler is 1/5 with the ratio of the addition of described aging resistance filler.
Described processing aid includes coupling agent, plasticizer, foaming agent and foaming control agent, the addition of described plasticizer
Account for the 40% of described processing aid total addition level.The addition of described foaming control agent with the ratio of the addition of described foaming agent is
1/5.The effect of described foaming control agent is so that foaming more uniform, and the addition of described foaming control agent should be less than institute
State the addition of foaming agent, it is to avoid occur foaming the most thorough and also the interpolation of described foaming control agent itself also can affect described in mould
The overall performance of wood section, so controlling in the range of described addition.
In described raw material granulation process during raw material mixing, it is 105 DEG C that temperature controls, and during pelletize, the control of comminutor temperature is
150℃。
During described extrusion molding, extruder temperature controls at 150 DEG C, the temperature of described mould when entering mould molding
Control at 125 DEG C.
Described hot pressing regulates the upper-lower height of knurling rolls, the section bar of soft state is carried out embossed, described
The temperature cooling down water in cooling procedure controls at 10 DEG C.
In the present embodiment, the appearance characteristics of the described plastic-wood composite section of gained and part physical measurement data are prepared such as
Under:
Appearance characteristics surface abrasion resistance ageing properties
(/ 100r) (the broken ring load retention rate of bending)
Excessive 0.12g 85% between embodiment one color
Smoothness is soft
In the present embodiment, it is smooth that the described colour mixture hot compression molding wood composite profile of preparation has rich color, the softest, surface
Wearability and the strong feature of ageing resistace.
Embodiment two: the preparation method of a kind of colour mixture hot compression molding wood composite profile, including raw material granulation process, colorant pelletize
Process, extrusion molding process, hot pressing and cooling procedure, described colorant granulation process includes primary colours Masterbatch granulation process
And auxiliary color Masterbatch granulation process.
Described colorant granulation process carries out the only pelletize of plurality of color material list, to auxiliary color in described auxiliary color Masterbatch granulation process
Masterbatch carries out feed back and crushes, and the described auxiliary color Masterbatch size after crushing is the institute that described primary colours Masterbatch granulation process produces
State the 1/9 of primary colours Masterbatch size.The granular size of described auxiliary color Masterbatch, less than the granular size of described primary colours Masterbatch, is protected
The distribution of auxiliary color Masterbatch can be more uniform described in the additive step of described extrusion molding process for card, and assists described
The primary colours that primary colours Masterbatch is formed, the various colors not only making the described plastic-wood section of preparation is colorful, it is often more important that so that
Excessively more smooth, the softest between the multiple color of described plastic-wood section, it is to avoid produce variegated flecky problem, so
Further provide the outward appearance globality of described plastic-wood section.The amount of the total Masterbatch added during described extrusion molding is
The 11% of raw material grain addition, the addition of described auxiliary color Masterbatch is the 100% of described primary colours Masterbatch addition.
In described raw material granulation process, required raw material components and group component be: wood powder 50%；PE particle 20%；Compatible
Agent 6%；Lubricant 1%；Filler 8%；Processing aid 15%, the group component sum of above each component is 100%.Described filler includes resistance to
Mill filler and aging resistance filler, the addition of described wear resistant filler is 1/3 with the ratio of the addition of described aging resistance filler.
Described processing aid includes coupling agent, plasticizer, foaming agent and foaming control agent, the addition of described plasticizer
Account for the 40% of described processing aid total addition level.The addition of described foaming control agent with the ratio of the addition of described foaming agent is
1/3.The effect of described foaming control agent is so that foaming more uniform, and the addition of described foaming control agent should be less than institute
State the addition of foaming agent, it is to avoid occur foaming the most thorough and also the interpolation of described foaming control agent itself also can affect described in mould
The overall performance of wood section, so controlling in the range of described addition.
In described raw material granulation process during raw material mixing, it is 106 DEG C that temperature controls, and during pelletize, the control of comminutor temperature is
160℃。
During described extrusion molding, extruder temperature controls at 160 DEG C, the temperature of described mould when entering mould molding
Control at 130 DEG C.
Described hot pressing regulates the upper-lower height of knurling rolls, the section bar of soft state is carried out embossed, described
The temperature cooling down water in cooling procedure controls at 15 DEG C.
In the present embodiment, the appearance characteristics of the described plastic-wood composite section of gained and part physical measurement data are prepared such as
Under:
Appearance characteristics surface abrasion resistance ageing properties
(/ 100r) (the broken ring load retention rate of bending)
Excessive 0.13g 88% between embodiment two color
Smoothness is soft
In the present embodiment, it is smooth that the described colour mixture hot compression molding wood composite profile of preparation has rich color, the softest, surface
Wearability and the strong feature of ageing resistace.
Embodiment three: the preparation method of a kind of colour mixture hot compression molding wood composite profile, including raw material granulation process, colorant pelletize
Process, extrusion molding process, hot pressing and cooling procedure, described colorant granulation process includes primary colours Masterbatch granulation process
And auxiliary color Masterbatch granulation process.
Described colorant granulation process carries out the only pelletize of plurality of color material list, to auxiliary color in described auxiliary color Masterbatch granulation process
Masterbatch carries out feed back and crushes, and the described auxiliary color Masterbatch size after crushing is the institute that described primary colours Masterbatch granulation process produces
State the 1/8 of primary colours Masterbatch size.The granular size of described auxiliary color Masterbatch, less than the granular size of described primary colours Masterbatch, is protected
The distribution of auxiliary color Masterbatch can be more uniform described in the additive step of described extrusion molding process for card, and assists described
The primary colours that primary colours Masterbatch is formed, the various colors not only making the described plastic-wood section of preparation is colorful, it is often more important that so that
Excessively more smooth, the softest between the multiple color of described plastic-wood section, it is to avoid produce variegated flecky problem, so
Further provide the outward appearance globality of described plastic-wood section.The amount of the total Masterbatch added during described extrusion molding is
The 12% of raw material grain addition, the addition of described auxiliary color Masterbatch is the 150% of described primary colours Masterbatch addition.
In described raw material granulation process, required raw material components and group component be: wood powder 40%；PE particle 20%；Compatible
Agent 8%；Lubricant 3%；Filler 9%；Processing aid 20%, the group component sum of above each component is 100%.Described filler includes resistance to
Mill filler and aging resistance filler, the addition of described wear resistant filler is 1/2 with the ratio of the addition of described aging resistance filler.
Described processing aid includes coupling agent, plasticizer, foaming agent and foaming control agent, the addition of described plasticizer
Account for the 50% of described processing aid total addition level.The addition of described foaming control agent with the ratio of the addition of described foaming agent is
1/4.The effect of described foaming control agent is so that foaming more uniform, and the addition of described foaming control agent should be less than institute
State the addition of foaming agent, it is to avoid occur foaming the most thorough and also the interpolation of described foaming control agent itself also can affect described in mould
The overall performance of wood section, so controlling in the range of described addition.
In described raw material granulation process during raw material mixing, it is 110 DEG C that temperature controls, and during pelletize, the control of comminutor temperature is
180℃。
During described extrusion molding, extruder temperature controls at 165 DEG C, the temperature of described mould when entering mould molding
Control at 140 DEG C.
Described hot pressing regulates the upper-lower height of knurling rolls, the section bar of soft state is carried out embossed, described
The temperature cooling down water in cooling procedure controls at 15 DEG C.
In the present embodiment, the appearance characteristics of the described plastic-wood composite section of gained and part physical measurement data are prepared such as
Under:
Appearance characteristics surface abrasion resistance ageing properties
(/ 100r) (the broken ring load retention rate of bending)
Excessive 0.11g 86% between embodiment three color
Smoothness is soft
In the present embodiment, it is smooth that the described colour mixture hot compression molding wood composite profile of preparation has rich color, the softest, surface
Wearability and the strong feature of ageing resistace.
Above embodiments of the present invention are explained in detail, but the invention is not restricted to above-mentioned embodiment, in institute
State in the ken that technical field those of ordinary skill is possessed, it is also possible to make on the premise of without departing from present inventive concept
Various amendments.These are all the most creative amendments, as long as all by Patent Law in scope of the presently claimed invention
Protection.
Claims (10)
1. a preparation method for colour mixture hot compression molding wood composite profile, including raw material granulation process, colorant granulation process, is extruded into
Type process, hot pressing and cooling procedure, it is characterised in that: described colorant granulation process includes primary colours Masterbatch granulation process
And auxiliary color Masterbatch granulation process.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 1, it is characterised in that: described color
Material granulation process carries out the only pelletize of plurality of color material list, described auxiliary color Masterbatch granulation process carries out feed back to auxiliary color Masterbatch
Broken, the described auxiliary color Masterbatch size after crushing is that the described primary colours Masterbatch that described primary colours Masterbatch granulation process produces is big
Little 1/10-1/8.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 2, it is characterised in that: described crowded
Go out the 10-12% that amount is raw material grain addition of the total Masterbatch added in forming process, the addition of described auxiliary color Masterbatch
60-160% for described primary colours Masterbatch addition.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 1, it is characterised in that: described former
In material granulation process, required raw material components and group component be: wood powder 35-65%；PE particle 18-25%；Compatilizer 5-8%；Profit
Lubrication prescription 1-3%；Filler 5-12%；Processing aid 15-22%, the group component sum of above each component is 100%.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 4, it is characterised in that fill out described in:
Material includes wear resistant filler and aging resistance filler, the ratio of the addition of described wear resistant filler and the addition of described aging resistance filler
For 1/5-1/2.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 4, it is characterised in that add described in:
Work auxiliary agent includes that coupling agent, plasticizer, foaming agent and foaming control agent, the addition of described plasticizer account for described processing aid
The 40-55% of total addition level.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 6, it is characterised in that: described
The addition of bubble regulator is 1/5-1/3 with the ratio of the addition of described foaming agent.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 4, it is characterised in that: described former
In material granulation process during raw material mixing, temperature controls as 102-110 DEG C, and during pelletize, comminutor temperature controls as 150-200 DEG C.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 1, it is characterised in that: described crowded
Going out extruder temperature in forming process and control at 150-170 DEG C, when entering mould molding, the temperature of described mould controls at 125-
Between 155 DEG C.
The preparation method of a kind of colour mixture hot compression molding wood composite profile the most according to claim 1, it is characterised in that: described
Hot pressing regulates the upper-lower height of knurling rolls, the section bar of soft state is carried out embossed, cold in described cooling procedure
But the temperature of water controls at 10-20 DEG C.
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| CN201610344990.XA CN106003748A (en) | 2016-05-24 | 2016-05-24 | Preparation method of color-mixed and hot-pressed plastic-wood composite profile |
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| CN201610344990.XA CN106003748A (en) | 2016-05-24 | 2016-05-24 | Preparation method of color-mixed and hot-pressed plastic-wood composite profile |
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| CN107501690A (en) * | 2017-09-20 | 2017-12-22 | 界首市希捷仿真花卉有限公司 | A kind of composite that can improve artificial flower tinctorial property |
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Application publication date: 20161012 |