CN107953647A - The method that chemical blowing prepares microporous polycarbonate composite sheet - Google Patents
The method that chemical blowing prepares microporous polycarbonate composite sheet Download PDFInfo
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- CN107953647A CN107953647A CN201711337089.0A CN201711337089A CN107953647A CN 107953647 A CN107953647 A CN 107953647A CN 201711337089 A CN201711337089 A CN 201711337089A CN 107953647 A CN107953647 A CN 107953647A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- 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
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The present invention relates to a kind of method that chemical blowing prepares microporous polycarbonate composite sheet, belong to plastics foaming composite material technical field.The method comprises the following steps：a）, polyolefin sheets prepare；b）, polycarbonate sheet preparation/preparation；c）, folded match somebody with somebody：Polyolefin sheets and polycarbonate sheet assembly are obtained treating pressed compact plate；d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described.The present invention is according to high molecular material foaming process principle, molded good PC sheet materials are prepared into microporous foam PC sheet materials by a kind of novel microporous foam process, the present invention can effectively reduce PC material utilization amounts and production cost, mitigate the weight of PC casees, retain the original characteristics such as heat-resisting, wear-resisting, anti-impact that resist cold of PC materials at the same time, the industry such as luggage manufacture, automobile, electronics, electric appliance are can be widely applied to, the new way of microcellular plastics preparation is started, there is obvious economic and social benefit.
Description
Technical field
The present invention relates to a kind of method that chemical blowing prepares microporous polycarbonate composite sheet, belongs to plastic foamed compound
Field of material technology.
Background technology
Microcellular plastics have it is light, impact strength is high, toughness is high, specific strength is high, than rigidity it is high, fatigue life is long,
The performance such as relatively low dielectric constant and thermal conductivity coefficient is referred to as " new material of 21 century ".Since last century the eighties, state
Inside and outside research, which reports, utilizes over-saturation gas method, supercritical fluid precipitation method, monomer polymerization method, thermally induced phase separation, heat point
Prepared by a variety of methods such as solution, sintering process, powder sintering method, etching mark method, batch process, half can be divided into by dividing from moulding process
Continuity method and continuity method.Although the various methods of the above can prepare microcellular plastics, industrialized production can be realized
Method is seldom, such as：Batch process and semi-continuous process production cycle length, low output, can only produce the microporous foam product of small lot,
Comprehensive cost higher；Continuity method, although improving processing efficiency, reduces producing cost, equipment investment is big, cost recovery
Phase is grown, and is not suitable for the low thin polymeric sheet material of production melt strength, and the PC fabrics sheet material of travelling draw-rod suitcase just belongs to this.
Makrolon (PC) travelling draw-rod suitcase has beautiful appearance, nontoxic odorless waterproof, anti-pollution scrubbing resistance, wear-resisting, anti-
Rush the characteristics such as high, the cold-resistant heat resistance of intensity is good, belong to the high-end product in trolley case, but due to PC material prices are expensive and density compared with
Greatly（＞ 1.20g/cm3）Production cost is caused to remain high, PC trolley cases market price is higher, only belongs to the consumption of elite
Product, market comsupton colony are smaller.
Therefore, this area wishes, there is an urgent need for producing one kind to reduce PC material utilization amounts and production cost, to mitigate PC casees
Weight, while retain a kind of material of the original characteristics such as heat-resisting, wear-resisting, anti-impact that resist cold of PC materials.
The content of the invention
The invention solves the above problem, so as to provide the side that a kind of chemical blowing prepares microporous polycarbonate composite sheet
Method.
Technical proposal that the invention solves the above-mentioned problems is as follows：
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 100 ~ 200 DEG C of hot pressing temperature, hot pressing
1 ~ 10MPa of pressure, 15 ~ 30min of hot pressing time.
As the preferred of above-mentioned technical proposal, the polyolefinic raw materials are LDPE, HDPE, PP or HDPE, LDPE and PP
With any mixture than being formed.
As the preferred of above-mentioned technical proposal, the chemical foaming agent is AC foaming agents or ADCA foaming agents, it is described its
His auxiliary agent includes the zinc oxide of the activator as foaming agent, and the additive amount of chemical foaming agent is the polycarbonate starting material quality
5 ~ 25%, the additive amount of the zinc oxide is the additive amount 10 ~ 30% of the chemical foaming agent.
As the preferred of above-mentioned technical proposal, other described auxiliary agents further include filler, reinforcing agent, toughener, antioxidant,
Modifying agent, coupling agent and lubricant.
As the preferred of above-mentioned technical proposal, the filler is selected from calcium carbonate, hollow glass bead, mica, kaolin, cunning
One or more in mountain flour, montmorillonite.
As the preferred of above-mentioned technical proposal, the reinforcing agent is selected from glass fibre, carbon fiber, titanium dioxide fiber, nanometer
Al2O3In one or more.
As the preferred of above-mentioned technical proposal, the toughener be selected from EVA, ethylene propylene diene rubber, POE, PHB, EPDM,
One or more in ESI, PE-PP copolymer.
As the preferred of above-mentioned technical proposal, the antioxidant is selected from antioxidant 1010, antioxidant DSTP, antioxidant
One or more in DLTP.
As the preferred of above-mentioned technical proposal, the modifying agent is selected from PP-g-MAH, PE-g-MAH（Polycthylene grafted Malaysia
Acid anhydrides）、PE-g-MAZn（Polycthylene grafted MALEIC ACID, ZINC SALT）、PE-g-GMA（Polyethylene to graft glycidyl methacrylate）、
PE-g-AA (polycthylene grafted acryhic), PE-g-MMA (polycthylene grafted methacrylic acid) are one or more.
As the preferred of above-mentioned technical proposal, the coupling agent is selected from coupling agent KH-550, coupling agent KH-560, coupling agent
One kind in KH-570, coupling agent KH-151, coupling agent KH-171, coupling agent KH-602, coupling agent KH-792, coupling agent TTS
It is or a variety of.
As the preferred of above-mentioned technical proposal, the lubricant is selected from stearic acid, calcium stearate, zinc stearate, stearic acid
One or more in magnesium.
As the preferred of above-mentioned technical proposal, the polycarbonate sheet one side is shiny surface, and another side is rough surface；Institute
It is the face compound with the polyolefin sheets to state rough surface.
As the preferred of above-mentioned technical proposal, the rough surface is hollow flat-surface honeycomb or is that hollow four directions connects
Continuous square structure.
As the preferred of above-mentioned technical proposal, the hollow flat-surface honeycomb or the hollow square that continues in all directions
The inlet of structure is equipped with bevel edge.
As the preferred of above-mentioned technical proposal, one in two stitching surfaces of the vulcanizing press is arranged to hot pressing
Face, another is arranged to cold pressing face, and then the one side of the polycarbonate sheet for treating pressed compact plate is placed with the tablet sulphur
The one side of the polyolefin sheets to be foamed for treating pressed compact plate, is placed with the heat in the vulcanizing press by the cold pressing face of change machine
Pressure surface；In step d）In hot pressing, when the polyolefin sheets to be foamed for treating pressed compact plate carry out hot-pressing and foaming, make foaming
Complete either incomplete polyolefin sheets soften or as semi-molten state, while are acted on by the pressing of vulcanizing press,
By the softening either as semi-vitreous foaming is complete or incomplete polyolefin sheets part penetrate into it is described
In hollow flat-surface honeycomb or hollow square structure of continuing in all directions, formed and strengthen composite construction.
The invention has the advantages that：
Molded good PC sheet materials are passed through a kind of novel microporous foaming work by the present invention according to high molecular material foaming process principle
Skill prepares microporous foam PC sheet materials, using in advance by foaming agent, auxiliary agent and matrix resin producing foamed agent base material, then will foaming
Agent base material, through technologies such as compression moldings, makes bubble scattered in PC systems with PC sheet materials using novel microporous foam process
Speed is accelerated, and shortens foamed time, so that microporous foam PC sheet materials be made；Reaching reduces PC material utilization amounts and production cost, subtracts
The weight of light PC casees, while retain the original characteristics such as heat-resisting, wear-resisting, anti-impact that resist cold of PC materials, it can be widely applied to luggage system
Make, the industry such as automobile, electronics, electric appliance, start the new way of microcellular plastics preparation, there is obvious economic and society's effect
Benefit.
The present invention replaces foaming machine costly using most common vulcanizing press, with equipment requirement is low, takes
With it is low, technique is simple, processing cost is low.It is micro- with industrialized extrusion, injection and blowing etc. that the technology is applicable to processing
The slim microporous foam sheet material or process molding thin gauge sheet that hole forming processing technology can not be prepared.The present invention utilizes
Processing temperature is pressurizeed and improved at the same time, the diffusion coefficient of gas in the polymer is drastically increased, accelerates the diffusion of gas
Speed, so as to shorten the time of microporous foam processing, improves work efficiency.The microporous foam PC prepared using the present invention
Sheet material has relatively low density, and property retention is good, can substantially save the dosage of PC raw materials, reduces the manufacture cost of babinet,
With obvious economic benefit.
Technical indicator using product produced by the present invention is as follows：Density（g/cm3)≤1.05；Tensile strength（Mpa)≥
40；Elongation at break（%）≥20；Bending modulus（MPa）≥1500.
Embodiment
Present embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
As long as any change that member is made after the specification of the present invention has been read in the range of claims, will all be subject to specially
The protection of sharp method.
Embodiment one
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 100 DEG C of hot pressing temperature, hot pressing pressure
10MPa, hot pressing time 30min.
The polyolefinic raw materials are HDPE.
The chemical foaming agent is AC foaming agents, other described auxiliary agents include the activator as foaming agent zinc oxide,
Pearl filler, Glass Fiber Reinforcement, EVA toughener, antioxidant DSTP, modifying agent PP-g-MAH, coupling agent KH-550 and
Magnesium stearate lubricant.
The additive amount of chemical foaming agent is the 25% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 30% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Embodiment two
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 120 DEG C of hot pressing temperature, hot pressing pressure
8MPa, hot pressing time 25min.
The polyolefinic raw materials are the mixture of LDPE and PP.
The chemical foaming agent is AC foaming agents, other described auxiliary agents include the activator as foaming agent zinc oxide,
Pearl filler, Glass Fiber Reinforcement, POE toughener, antioxidant DSTP, modifying agent PE-g-MAH, coupling agent KH-550
And lubricant stearic acid calcium.
The additive amount of chemical foaming agent is the 10% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 10% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Embodiment three
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 120 DEG C of hot pressing temperature, hot pressing pressure
7MPa, hot pressing time 20min.
The polyolefinic raw materials are the mixture of HDPE, LDPE and PP.
The chemical foaming agent is AC foaming agents, other described auxiliary agents include the activator as foaming agent zinc oxide,
Hollow glass bead filler, Glass Fiber Reinforcement, EPDM toughener, modifying agent PE-g-MMA, anti-oxidant DLTP, coupling agent
KH-570 and lubricant stearic acid zinc.
The additive amount of chemical foaming agent is the 15% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 15% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Example IV
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 130 DEG C of hot pressing temperature, hot pressing pressure
6MPa, hot pressing time 17min.
The polyolefinic raw materials are PP.
The chemical foaming agent is AC foaming agents, other described auxiliary agents include the activator as foaming agent zinc oxide,
Kaolin clay filler, titanium dioxide fiber reinforcing agent, PHB toughener, antioxidant 1010, modifying agent PP-g-MAH, coupling agent KH-151,
Lubricant stearic acid zinc.
The additive amount of chemical foaming agent is the 15% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 15% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Embodiment five
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 150 DEG C of hot pressing temperature, hot pressing pressure
5MPa, hot pressing time 15min.
The polyolefinic raw materials are HDPE.
The chemical foaming agent is AC foaming agents, other described auxiliary agents include the activator as foaming agent zinc oxide,
Pearl filler,
Carbon fiber reinforcement, PHB toughener, antioxidant DSTP, modifying agent PE-g-MAH, coupling agent KH-560, lubricant are stearic
Sour calcium.
The additive amount of chemical foaming agent is the 15% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 20% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Embodiment six
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 180 DEG C of hot pressing temperature, hot pressing pressure
5MPa, hot pressing time 15min.
The polyolefinic raw materials are LDPE.
The chemical foaming agent is ADCA foaming agents, other described auxiliary agents include the oxidation of the activator as foaming agent
Zinc, hollow glass bead filler, Glass Fiber Reinforcement, modifying agent PE-g-MMA, coupling agent TTS, magnesium stearate lubricant.
The additive amount of chemical foaming agent is the 15% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 15% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Embodiment seven
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 190 DEG C of hot pressing temperature, hot pressing pressure
3MPa, hot pressing time 25min.
The polyolefinic raw materials are the mixture of LDPE and PP.
The chemical foaming agent is ADCA foaming agents, other described auxiliary agents include the oxidation of the activator as foaming agent
Zinc, pearl filler, carbon fiber reinforcement, ethylene propylene diene rubber toughener, anti-oxidant DLTP, modifying agent PE-g-AA, coupling agent
KH-151, calcium stearate lubricant.
The additive amount of chemical foaming agent is the 10% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 15% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Embodiment eight
The method that chemical blowing prepares microporous polycarbonate composite sheet, comprises the following steps：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 200 DEG C of hot pressing temperature, hot pressing pressure
2MPa, hot pressing time 30min.
The polyolefinic raw materials are PE.
The chemical foaming agent is AC foaming agents, other described auxiliary agents include the activator as foaming agent zinc oxide,
Hollow glass bead filler, Glass Fiber Reinforcement, POE toughener, antioxidant DSTP, modifying agent PE-g-GMA, coupling agent KH-
550th, magnesium stearate lubricant.
The additive amount of chemical foaming agent is the 5% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is described
The additive amount 10% of chemical foaming agent.
The polycarbonate sheet one side is shiny surface, and another side is rough surface；The rough surface is and the polyolefin
The compound face of sheet material.The rough surface is hollow flat-surface honeycomb or is hollow square structure of continuing in all directions.Institute
The inlet for stating hollow flat-surface honeycomb or hollow square structure of continuing in all directions is equipped with bevel edge.By the tablet
One in two stitching surfaces of vulcanizer is arranged to hot pressing face, another is arranged to cold pressing face, then treats pressed compact plate by described
The one side of polycarbonate sheet be placed with the cold pressing face of the vulcanizing press, by the polyene to be foamed for treating pressed compact plate
The one side of hydrocarbon sheet material is placed with the hot pressing face in the vulcanizing press；In step d）In hot pressing, treating for pressed compact plate is being treated
When the polyolefin sheets of foaming carry out hot-pressing and foaming, make the complete either incomplete polyolefin sheets softening of foaming or as half
Molten state, while acted on by the pressing of vulcanizing press, by the softening or as semi-vitreous foaming completely or
The incomplete polyolefin sheets part of person penetrates into the hollow flat-surface honeycomb or hollow positive four side of continuing in all directions
In shape structure, formed and strengthen composite construction.
Claims (10)
1. the method that chemical blowing prepares microporous polycarbonate composite sheet, it is characterised in that：
a）, polyolefin sheets prepare：During polyalkene foaming, by polyolefinic raw materials, chemical foaming agent and other auxiliary agents
In screw extruder after heating melting, make foaming agent decomposed in the melt, polyolefin sheets to be foamed are made；
b）, polycarbonate sheet preparation/preparation；
c）, folded match somebody with somebody：Polyolefin by polyolefin sheets and polycarbonate sheet to be foamed according to polycarbonate sheet-to be foamed
The order of sheet material carries out assembly, obtains treating pressed compact plate；
d）, hot pressing：Using vulcanizing press, treat that pressed compact plate carries out hot pressing to described, control 100 ~ 200 DEG C of hot pressing temperature, hot pressing
1 ~ 10MPa of pressure, 15 ~ 30min of hot pressing time.
2. the method that chemical blowing according to claim 1 prepares microporous polycarbonate composite sheet, it is characterised in that：Institute
State the mixture that polyolefinic raw materials are formed for LDPE, HDPE, PP or HDPE, LDPE and PP with any ratio.
3. the method that chemical blowing according to claim 1 prepares microporous polycarbonate composite sheet, it is characterised in that：Institute
It is AC foaming agents or ADCA foaming agents to state chemical foaming agent, other described auxiliary agents include the oxidation of the activator as foaming agent
Zinc, the additive amount of chemical foaming agent are the 5 ~ 25% of the polyolefinic raw materials quality, and the additive amount of the zinc oxide is describedization
Learn the additive amount 10 ~ 30% of foaming agent.
4. the method that chemical blowing according to claim 8 prepares microporous polycarbonate composite sheet, it is characterised in that：Institute
State other auxiliary agents and further include filler, reinforcing agent, toughener, antioxidant, modifying agent, coupling agent and lubricant.
5. the method that chemical blowing according to claim 10 prepares microporous polycarbonate composite sheet, it is characterised in that：
One or more of the filler in calcium carbonate, hollow glass bead, mica, kaolin, talcum powder, montmorillonite.
6. the method that chemical blowing according to claim 10 prepares microporous polycarbonate composite sheet, it is characterised in that：
The reinforcing agent is selected from glass fibre, carbon fiber, titanium dioxide fiber, nanometer Al2O3In one or more.
7. the method that chemical blowing according to claim 10 prepares microporous polycarbonate composite sheet, it is characterised in that：
One or more of the toughener in EVA, ethylene propylene diene rubber, POE, PHB, EPDM, ESI, PE-PP copolymer.
8. the method that chemical blowing according to claim 10 prepares microporous polycarbonate composite sheet, it is characterised in that：
One or more of the antioxidant in antioxidant 1010, antioxidant DSTP, anti-oxidant DLTP.
9. the method that chemical blowing according to claim 10 prepares microporous polycarbonate composite sheet, it is characterised in that：
The modifying agent is selected from PP-g-MAH, PE-g-MAH（Research of Grafting Malaic Anhydride Onto Polyethylene）、PE-g-MAZn（Polycthylene grafted Malaysia
Sour zinc）、PE-g-GMA（Polyethylene to graft glycidyl methacrylate）, PE-g-AA (polycthylene grafted acryhic), PE-
G-MMA (polycthylene grafted methacrylic acid) is one or more.
10. the method that chemical blowing according to claim 10 prepares microporous polycarbonate composite sheet, it is characterised in that：
The coupling agent is selected from coupling agent KH-550, coupling agent KH-560, coupling agent kh-570, coupling agent KH-151, coupling agent KH-
171st, the one or more in coupling agent KH-602, coupling agent KH-792, coupling agent TTS.
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Cited By (1)
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| CN115042482A (en) * | 2022-08-17 | 2022-09-13 | 辛集市北美赛皮革有限公司 | Leather and polycarbonate sheet composite forming process method |
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