CN106832671B - A kind of resin expanded transfer door and its preparation process using calcium zinc stabilizer - Google Patents

A kind of resin expanded transfer door and its preparation process using calcium zinc stabilizer Download PDF

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Publication number
CN106832671B
CN106832671B CN201710080259.5A CN201710080259A CN106832671B CN 106832671 B CN106832671 B CN 106832671B CN 201710080259 A CN201710080259 A CN 201710080259A CN 106832671 B CN106832671 B CN 106832671B
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temperature
parts
transfer
preparation process
speed
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CN106832671A (en
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顾成兵
王小龙
杨文瑞
徐刚
林永德
李波
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Wuhu Conch New Material Co Ltd
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Wuhu Conch New Material Co Ltd
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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
    • 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
    • C08L27/04—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 chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/005—Methods for mixing in batches
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0023—Combinations of extrusion moulding with other shaping operations combined with printing or marking
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08J9/08—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 carbon dioxide
    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/34—Coverings, e.g. protecting against weather, for decorative purposes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/52—Frames specially adapted for doors
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • 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
    • B29L2031/724—Doors
    • 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
    • C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • 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
    • C08J2327/00—Characterised by the use 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; Derivatives of such polymers
    • C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
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    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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    • 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
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The present invention provides a kind of resin expanded transfer doors and its preparation process using calcium zinc stabilizer, and compared with prior art, the application uses calcium zinc stabilizer, re-establish formula system framework；According to formula adjustment mixing time control, preplasticizing effect is improved；By reducing first three area's temperature in terms of extrusion process, discharging speed is controlled, the modes such as reasonable production capacity section are found out；Transfer temperature is especially paid close attention in terms of transfer printing process, in the case where sufficiently studying change in size caused by second time of foaming, reasonable transfer temperature control interval is set, and to transfer speed, platen pressure, the links such as preheating temperature carry out strict control.The transfer door of preparation is formaldehydeless, is free of toxic chemical substance, environmentally protective, when solving the precipitation being easy to appear in calcium zinc stabilizer production, zinc burning, transfer the problems such as second time of foaming, while being all satisfied coherent detection requirement in terms of expansion ratio and properties of product.

Description

A kind of resin expanded transfer door and its preparation process using calcium zinc stabilizer
Technical field
The invention belongs to building materials fields, and in particular to a kind of using the resin expanded transfer door of calcium zinc stabilizer and its preparation Technique.
Background technique
As market user's demand constantly changes, finishing material day of the people to the harmful substances such as environmentally protective, formaldehydeless Add favor, this wheel ornament materials revolution in, resin expanded Men Yiqi is environmentally friendly, recyclable, transfer film paste it is formaldehydeless etc. Advantage and its its excellent sound insulation, heat-insulated, moisture-proof, processability and decorative effect lead the interior door trend of a new generation.It is excellent The hollow skinning PVC foam door-plate and its transfer printing wood grain technique of matter assign the resin expanded environmentally protective ecosystem characterization of door, and with excellent Good physical property and diversified product design, is suitble to all kinds of architectural styles, deeper and deeper to be received by the market, and becomes vast and disappears The first choice of the asepsis environment-protecting interior door of the person of expense.
PVC foam door-plate has excellent processing performance, can be bored, be sawed, being followed closely, being dug, glue etc. processing, be applicable to it is hot at Type, heating bending and folding processing can be welded according to general plastics welding procedure, can also be Nian Jie with other PVC materials, with wood Compared to there is stronger superiority, product service life reaches 50 years or more for plate, glued board.
At this stage in the production of conventional resins foamed products, lead salt formula system is mostly used greatly, and in lead salt formula system Containing heavy metals such as a certain amount of lead, for a long time using being possible to be precipitated, the most stabilizer of the states such as America and Europe is produced at this stage Product, for a long time due to intellectual property and production-supply-marketing, foring European mainstream formula in polyvinyl chloride resin industry is first lead system It is afterwards calcium zinc system, North America mainstream formula is organotin system formula.
Organotin system formula plasticizing capacity, product surface gloss, physical mechanical property, stability, weatherability are superior to lead It is formula system product, but tin still belongs to heavy metal, the feature of environmental protection is queried, and process taste is big, and formulation cost is high；Lead system matches Side contains toxic heavy metal, and easy sulfide staining, environmental-protecting performance is poor, and mechanical property discreteness is big.Calcium zinc system formula is that European countries are close Over year and the mainstream formula of future development has tended to be mature, and become environmentally protective stabilizer with the continuous progress of technology Standard.
But currently, calcium zinc stabilizer production in be easy to appear precipitation, zinc burn, transfer when second time of foaming the problems such as, together When expansion ratio and properties of product in terms of be all satisfied and be not able to satisfy coherent detection requirement.
Summary of the invention
It is formaldehydeless, do not contain the purpose of the present invention is to provide a kind of resin expanded transfer door using calcium zinc stabilizer Malicious chemical substance, environmentally protective, second time of foaming when solving the precipitation being easy to appear in calcium zinc stabilizer production, zinc burning, transfer The problems such as, while coherent detection requirement is all satisfied in terms of expansion ratio and properties of product.
The present invention also provides a kind of preparation processes of resin expanded transfer door using calcium zinc stabilizer, cooperate in formula Property of raw material, develop manufacturing process and design optimization technological parameter, easy to operate, stability and high efficiency.
A kind of resin expanded transfer door using calcium zinc stabilizer provided by the invention, contains following raw material:
The PVC trade mark is SG-7；
A kind of preparation process of resin expanded transfer door using calcium zinc stabilizer provided by the invention, including following step It is rapid:
1), mixing heat is mixed: each component is weighed by formula, according to PVC-- precipitated calcium carbonate under 300rpm revolving speed -- it is compound Wrap -- K718--AC foaming agent -- NaHCO3Sequence tripping in heat mix pot after, then revolving speed control at 680-720rpm high-speed stirring It mixes, material temperature is made to be promoted to 110 DEG C or more within 200 seconds, realize the preplasticizing of dry blend；
PE wax, pentaerythritol fatty acid ester ST220/ or F210, phosphite ester, acetylacetone,2,4-pentanedione of the compound packet by formula ratio Zinc, hydrotalcite, zeolite, K123, K385, interior lubrication prescription G60, ZnO, calcium stearate, zinc stearate, beta-diketon zinc and AC316A group At；
2) mixing is cold mixed: after the mixed preplasticizing of heat, being stirred at low speed by cold mixed 50rpm, material temperature was dropped at 350-400 seconds To 50 DEG C hereinafter, preventing material accumulated heat from degrading, while eliminating the electrostatic of high-speed stirred generation；
3) it squeezes out: extrusion forming after material plasticizing, then cooling and shaping；
4) blanking, end of door plate are cut according to customer demand size；
5) it transfers: by temperature control heating transfer apparatus, transfer film being covered on resin expanded door substrate；
Door-plate transfer printing process state modulator: 1 temperature (plate is taken turns in 0.2 ± 0.05N of winder tension, hauling speed 3-5m/min, face The big face thermoprint wheel of material) 185 ± 5 DEG C, face 185 ± 5 DEG C of 2 temperature of wheel, 170 ± 5 DEG C of 1 temperature is scalded in side, 170 ± 5 DEG C of 2 temperature is scalded in side and Scald 130 ± 5 DEG C of 3 temperature in side.
Further, preferred in step 1), so that material temperature is promoted to 115-118 DEG C；Dry blend is pre- solidifying at a temperature of this Gelatinization degree highest；
Further, material obtains uniform quality, mainstream property incorporation time 300-420 seconds in the mixed machine of heat in step 1) Good dry blend；
Preferred in step 1), mixing amount accounts for the 65%-68% that 800L heat mixes pot pot body volume, the pregelatinized of mixture Effect is best, and plate production is stablized.
Preferred in step 1), the mixed flow deflector side of heat should be apart from pot wall 3-5cm wide, and material seethes effect in pot at this time Most preferably.
Preferred in step 2), cold do time should be at 330-420 seconds, while blanking temperature should be arranged in 45 DEG C；
Further, it because of foaming agent containing sodium bicarbonate in calcium zinc ecological door formula, is easy water suction and decomposes, therefore calcium zinc ecology No more than 72 hours, such as shut down for a long time to be in advance finished remaining dry blend door formula storage time, otherwise easily send out It is impacted to steep multiplying power, squeezes out the problems such as load fluctuation is big.
Step 3) includes: the first stage: plasticizing, the effect for passing through barrel temperature and screw rod, material are changed by graininess For the process of the uniformly continuous melt with certain fluidity；Second stage: molding, the improving uniformity of melt with mobility utilize The rotary squeezing of screw rod enters head by porous plate, and is to have effigurate parison by mouth mold and mandrel molding；Third Stage: cooling and shaping: i.e. parison is under extrusion pressure and draw, and after vacuum cooled stock mould, being formed has centainly The product of intensity, rigidity and dimensional accuracy.
Specific process parameter in step 3) are as follows: 16 ± 2rpm of screw speed, 50 ± 5rpm of charging rate, hauling speed 0.6 ± 0.2m/min, load 40~70%, 145 ± 10 DEG C, tin area of extruder temperature, 1 temperature, 150 ± 10 DEG C, tin area, 2 temperature 150 are squeezed out 3 temperature, 150 ± 10 DEG C, tin area of ± 10 DEG C, tin area, 4 temperature, 150 ± 10 DEG C, tin area, 5 temperature, 170 ± 10 DEG C, tin area, 6 temperature 170 ± 10 DEG C, 170 ± 10 DEG C of 1 temperature of connector, 170 ± 10 DEG C of 2 temperature of connector, mold temperature (1-11): 190 ± 10 DEG C, mould Have temperature (12-13): 170 ± 10 DEG C, 180 ± 10 DEG C of melt temperature, 180 ± 10 DEG C of core model oil temperature, mouth mold oil temperature 180 ± 10 DEG C, 60~80 DEG C of core model water temperature, 30~50 DEG C of mouth mold water temperature, 14~18 DEG C of coolant water temperature, vacuum hydrofuge negative pressure -0.03~- 0~-0.06Mpa of 0.07Mpa and dry setting negative pressure.
Step 4) blanking: since foaming doors blank size precise requirements are high, using relatively accurate cross-cut saw according to visitor Family requires to carry out cutting small powder；
It further include doorframe material transferring technique, design parameter control: 0.2 ± 0.05N of winder tension, traction speed in step 5) Degree 3-7m/min, 140 ± 5 DEG C of 1 temperature of perming, 170 ± 5 DEG C of 2 temperature of perming and 160 ± 5 DEG C of 3 temperature of perming.
Further include step 6) packaging shipping, according to " ecological door Package Management provides " by the way of pearl cotton+carton into Row packaging, blend compounds band tighten, and carry out order shipment according to entrucking specification.
Calcium zinc stabilizer formula system is applied in resin expanded product in the present invention, using hollow low foaming knot Skin production technology requires height to stabilizer heat stabilizing system, lubricating system, sufficiently studies to all calcium zinc raw material mechanisms of action On the basis of grasp, formula system framework is redesigned.In heat stabilizing system design, using beta-diketon zinc and ST-220/ F210 is aided with phosphite ester and zinc acetylacetonate carries out stable regulation, use calcium stearate and stearic acid as core stable agent Zinc improves formula plasticizing capacity, and Related product formulation dosage calculates by accurate Theory and practical proof, after emphasis solves transfer Second time of foaming, mold zinc burning problem meet product associated materials performance and meet the requirements.In lubricating system design, using in G60 Lubrication prescription and the outer lubrication prescription of PE wax are aided with oxidized polyethylene wax and carry out inside and outside sliding collaboration, which must agree with as core lubricant Resin expanded door long-term production stability is reduced and is precipitated in the case where guaranteeing release property, improves product stability and production week Phase.Plasticizing effect is adjusted by calcium stearate in formula and zinc stearate in foaming process, is made in the feelings for not influencing gas release Melt strength is improved under condition, avoids the occurrence of foaming doors surface crater, foam dosage and sodium bicarbonate content by adjusting AC, adjusting production Savor rice specific gravity and expansion ratio, it is ensured that product meets requirement.
It is whole due to the difference of calcium zinc formula system and traditional lead salt system in terms of technology controlling and process in preparation process Change production technology has specific technique matched from mixing-extrusion-later period transfer film transfer, passes through technical research team Grope to tackle key problems, by being analyzed in the main points of processes control such as each process operation mechanism and temperature formula each component, formulate a set of It is suitble to the technology controlling and process route of the product.According to the character, physical characteristic of different material, preformed in formula in terms of mixing procedure Change requirement etc., adjusts the key parameters such as the mixed mixing time of heat, improve preplasticizing effect.The morphogenetic change of material during heat is mixed Change: (1) apparent density for being compacted usual polyvinyl chloride resin is only 0.45~0.55g/ml.In a high speed mixer due to phase mutual friction The frictional heat of generation, rises temperature of charge constantly, and PVC granule and other components constantly interpenetrate, and PVC particle surface is gradually The various auxiliary agents such as Vapor recovery unit agent and molten lubricant etc. increase the apparent density of mixture can to 0.58~0.65g/ ml.(2) in a high speed mixer, each component can not only reach good mechanical mixture to homogenizing, also can be obtained good between each component Stable dispersion.As temperature constantly increases, PVC particle can constantly Vapor recovery unit agent, lubricant etc., gradually wrapped by each component It covers, when temperature rises to 110~118 DEG C, uniform and stable dry mixed powder can be formed.(3) hydrofuge: when temperature of charge rises to 100 DEG C When left and right, includes that moisture and other volatile substances in resin and adjuvant component is easy to remove, avoid in extrusion type Bubble and defect are generated during material.(4) pregelatinized: the gelation of PVC refers to that resin gradually melts modeling in process Change, then recrystallization forms the process of network morphology structure, during high speed hot mixing, it is seen that the existing particle of polyvinyl chloride resin The characteristics of refining, the metamorphosis of uniform particle sizes, and showing density increase, partial gelation.Therefore PVC material high-speed heat is mixed The process of conjunction process and polyvinyl chloride resin homogenization, densification and partial gelation, though material gelation is not the main mesh of mixing , but in mixed process, there is gelation in existing part PVC particle.There are the small particles of large surface area, vulnerable to biggish Friction, reaches gelation state, shows similar transparence, and little particle gradually melts at relatively high temperatures, flocks together, Become biggish particle, the PVC of surface gelling can be very good to absorb various auxiliary agents, finally obtain our common homogeneity With the preferable dry blend of mainstream property.(5) influence of the mixing temperature to mixture performance: the mixing temperature of material is to influence dry blend One of most important factor of performance, mixture temperature be lower than 80 DEG C when, material it is closely knit closely knit mainly by mechanical force, make each group subpackage It is trapped among PVC particle periphery.When temperature is to when being higher than polyvinyl chloride resin glass transition temperature Tg (about 80 DEG C), PVC granule starts to soften, and inhales Other components are received, gradually closely knit, when temperature rises to 110~120 DEG C, lesser particle gradually gel in PVC particle, we pass through Feedstock property design studies, for temperature at 115-118 DEG C, calcium zinc ecology transfer door formula compounding effect is best, dry blend Pregelatinized degree highest.(6) incorporation time influences: compacting that material is undergone in mixed process, homogenizing, partial gelation mistake Journey is required to certain time completion.The extension of mixing time facilitates stabilizer and other additives are more uniformly diffused into In resin, to further increase material stability and uniformity coefficient.Rule of thumb, incorporation time is extremely in a high speed mixer for material Less between 300~420 seconds, the dry blend of uniform quality, dry good fluidity can be just obtained.(7) feeding quantity in high-speed mixer Influence: the feeding quantity selected in high-speed mixer should be able to be conducive to production efficiency under the premise of guaranteeing mixed material quality It improves.Every batch of material amount is too small, if volume of material is only the 50% of high-speed mixer hereinafter, material seethes poor, generation Frictional heat it is low, temperature rise is slow, and time-consuming, reaches default mixing temperature and about wants 15min or more, while it is equal also to influence material mixing It is even.On the contrary, inventory is excessive, motor load is too high, speed of mainshaft decline, and same influence material seethes situation and mixing matter Amount, heating rate also no longer significantly improve.For usual feeding quantity in mixing machine volume 60%~80%, mixed effect is preferable.This Mixing amount accounts for the 65%-68% of pot body volume in application, and the pregelatinized effect that calcium zinc is formulated mixture is best, and plate production is steady It is fixed.(8) the mixed flow deflector of heat is in semiellipse cambered surface, therefore flow deflector angle in mixing pot will directly affect material and seethe in pot Effect, to influence matter homogenizing and pregelatinized effect, by design studies, the excessively middle flow deflector side of device itself should be apart from pot Wall 1-23-5cm wide is advisable, and it is best to seethe effect in pot for material at this time.
By reducing first three area's temperature (temperature is controlled at 150 ± 10 DEG C) in terms of extrusion process, discharging speed is controlled (0.6 ± 0.2m/min) finds out the modes such as reasonable production capacity section, prevents the problems such as zinc is burnt, and reduce to a certain extent The generation of precipitate, improves production stability.It squeezes out control technology in the present invention to be mainly reflected in temperature control, on the one hand To inhibit foaming too early in early period, while cylinder area temperature will be formulated feature with calcium zinc and match, while pass through investigation and comparison, calcium zinc Ecological door extrusion foaming technique is more uniform than using the setting of temperature parabola and the discharging of temperature reverse setting using the setting of temperature forward direction Degree, surface skining effect are even more ideal.
Transfer temperature is especially paid close attention in terms of transfer printing process, the case where sufficiently studying change in size caused by second time of foaming Under, reasonable transfer temperature control interval is set, to transfer speed (plate is controlled in 3-5m/min), (control of platen pressure scale System is in 39.2mm), the links such as preheating temperature (185 ± 5 DEG C) carry out strict control.
Compared with prior art, the resin expanded transfer door provided by the invention using calcium zinc stabilizer, calcium zinc-base material with Transfer printing process all meets environment-friendly materials requirement, and substrate is free of heavy metal, and transfer materials are free of formaldehyde；Anti-corrosion, moisture-proof, Anti-moth-eating, It is indeformable, due to main material polyvinyl chloride self performance used, influenced by soda acid smaller；Water absorption rate is only 0.5%；It is effectively anti- Only damage by worms.It is highly suitable for the environment of southern humidity.Process install convenient, plate inside uses hollow structure and core layer foaming skill Art makes the density of foamed products close to timber.The xyloid processing request of class, it is more quick than the installation of wooden door, it is not required to follow closely Nail smears the traditional works modes such as putty, brush paint, factory normalization production, numerically-controlled machine tool milling hinge, lockhole, decorated dormer Hole, dimensional standard are accurate, it is ensured that integrally tight when in-site installation.Using bulk-breaking modular construction, it is readily transported, in-site installation side Just, manual processing manufacturing process many and diverse at the scene is avoided, the road of batch production pipelining is walked, improves the production of door Installation effectiveness.Manufacturing process diversification, is not necessarily to professional, and machining tool used is versatile.
Detailed description of the invention
Fig. 1 is the preparation process flow schematic diagram of resin expanded transfer door；
Fig. 2 is the preparation process schematic diagram of mixing.
Specific embodiment
Primary product board is as follows in the present invention:
PVC (SG-7): Qilu Petrochemical SG-7；Light calcium: Jiangxi Daewoo；Calcium stearate and zinc stearate: Nanjing Nanjing； ST220: aginomoto；；Phosphite ester: Wuxi Ju Wang；Hydrotalcite and zeolite: aluminium in Shandong；AC316A: Honeywell；AC foaming Agent: upper sea light is abundant；K385, K718: the inscription of Weihai hundred million reaches；PE wax: nation Buddhist nun BN208.
Embodiment 1
A kind of resin expanded transfer door using calcium zinc stabilizer, contains following raw material:
The PVC trade mark is SG-7.
A kind of preparation process of the resin expanded transfer door using calcium zinc stabilizer, comprising the following steps:
1) feed proportioning
Accurate weighing, weighing accuracy 0.01KG are carried out to each component raw material using Automatic weighing equipment, weighing finishes Enter the mixed pot of heat as unit of part by process control afterwards.
2) mixing heat is mixed
Mixing heat is mixed: each component is weighed by formula, according to PVC-- precipitated calcium carbonate under 300rpm revolving speed -- compound packet -- K718--AC foaming agent -- NaHCO3Sequence tripping in heat mix pot after, then revolving speed control at 680-720rpm high-speed stirred, So that material temperature is promoted to 110 DEG C or more within 200 seconds, realizes the preplasticizing of dry blend；
PE wax, pentaerythritol fatty acid ester ST220/ or F210, phosphite ester, acetylacetone,2,4-pentanedione of the compound packet by formula ratio Zinc, hydrotalcite, zeolite, K123, K385, interior lubrication prescription G60, ZnO, calcium stearate, zinc stearate, beta-diketon zinc and AC316A group At；Mixing amount accounts for the 65%-68% of pot body volume, the mixed flow deflector side of heat should apart from pot wall 3-5cm wide, by bed plate, middle knife, The synergistic effect for raising angle knife high-speed stirred steps up material temperature to 115-118 DEG C, dry blend pregelatinized at a temperature of this Degree highest, incorporation time 300-420 seconds in a high speed mixer；Realize the preplasticizing of dry blend.
3) mixing is cold mixed
It after the mixed preplasticizing of heat, is stirred at low speed by cold mixed, cold do time should be between 330-420 seconds, at present Material temperature degree should be arranged in 45 DEG C, and material at this time decomposes the stage more optimal than reaching relative equilibrium containing static content and foaming agent, prevent Only material accumulated heat is degraded, and foaming agent foam decomposes, while eliminating the electrostatic of high-speed stirred generation.
4) it stores
Because of foaming agent containing sodium bicarbonate in calcium zinc ecological door formula, it is easy water suction and decomposes, therefore calcium zinc ecological door formula stores up The time is deposited no more than 72 hours, such as shutting down for a long time to be in advance finished remaining dry blend, otherwise easily occur expansion ratio by It influences, squeezes out the problems such as load fluctuation is big.
5) it squeezes out
First stage: plasticizing.Pass through the effect of barrel temperature and screw rod, material is changed by graininess with a constant current The process of the uniformly continuous melt of dynamic property.Second stage: molding.Improving uniformity of melt with mobility is squeezed using the rotation of screw rod Pressure enters head by porous plate, and is to have effigurate parison by mouth mold and mandrel molding.Phase III: cooling fixed Type.That is parison is under extrusion pressure and draw, after vacuum cooled stock mould, formed have some strength, rigidity and The product of dimensional accuracy.
It squeezes out control technology to be mainly reflected in temperature control, on the one hand to inhibit foaming, while cylinder area too early in early period Temperature will be formulated feature with calcium zinc and match, while by investigation and comparison, calcium zinc ecological door extrusion foaming technique is using temperature just To being arranged than using the setting of temperature parabola and the temperature reverse setting discharging uniformity, surface skining effect is even more ideal.This Shen It please technological control temperature such as the following table 1:
The control of 1 procession parameters of table
5) it blanking: since foaming doors blank size precise requirements are high, is wanted using relatively accurate cross-cut saw according to client Seek carry out cutting stock
6) it transfers: by temperature control heating transfer apparatus, transfer film being covered on resin expanded door substrate, this process is complete By thermal transfer, contain formaldehyde materials without the use of glue etc..
Transfer printing process is especially it is noted that temperature control, the second time of foaming phenomenon for avoiding calcium zinc formula from being easy to appear.
Door-plate transfer printing process is controlled as follows:
Winder tension (0.2±0.05)N
Hauling speed: (3-5)m/min
Take turns 1 temperature in face: (185±5)℃
Take turns 2 temperature in face: (185±5)℃
Scald 1 temperature in side: (170±5)℃
Scald 2 temperature in side: (170±5)℃
Scald 3 temperature in side: (130±5)℃
Auxiliary material transfer printing process is controlled as follows:
Product performance index
1) it is produced in strict accordance with inner quality standard, properties meet user usage requirements.
2) calcium zinc-base material and transfer printing process all meet environment-friendly materials requirement, and substrate is free of heavy metal, and transfer materials are free of first Aldehyde.
3) anti-corrosion, moisture-proof, Anti-moth-eating, indeformable, due to main material polyvinyl chloride self performance used, is influenced by soda acid It is smaller；Water absorption rate is only 0.5%；It effectively prevent damaging by worms.It is highly suitable for the environment of southern humidity.
4) install convenient, plate inside are processed using hollow structure and core layer foaming technology, connects the density of foamed products Nearly timber.The xyloid processing request of class, it is more quick than the installation of wooden door, it is not required to nail, smear putty, brush paint etc. to pass System operation mode, factory normalization production, numerically-controlled machine tool milling hinge, lockhole, decoration fenestra, dimensional standard are accurate, it is ensured that existing It is integrally tight when the installation of field.It using bulk-breaking modular construction, is readily transported, in-site installation is convenient, avoids many and diverse at the scene Manual processing manufacturing process walks the road of batch production pipelining, improves the fabrication and installation efficiency of door.Manufacturing process multiplicity Change, be not necessarily to professional, machining tool used is versatile.

Claims (8)

1. a kind of preparation process of the resin expanded transfer door using calcium zinc stabilizer, which is characterized in that the preparation process packet Include following steps:
1), mixing heat is mixed: each component is weighed by formula, according to PVC-- precipitated calcium carbonate under 300rpm revolving speed -- compound packet -- K718-- AC foaming agent-- NaHCO3Sequence tripping in heat mix pot after, then revolving speed control at 680-720rpm high-speed stirring It mixes, material temperature is made to be promoted to 110 DEG C or more within 200 seconds, realize the preplasticizing of dry blend；
The compound PE wax, pentaerythritol fatty acid ester ST220 or F210, phosphite ester, zinc acetylacetonate, neatly wrapped by formula ratio Stone, zeolite, K123, K385, interior lubrication prescription G60, ZnO, calcium stearate, zinc stearate, beta-diketon zinc and AC316A composition；Each raw material Parts by weight are as follows:
100 parts of PVC
9-11 parts of precipitated calcium carbonate
0.6-1 parts of calcium stearate
1-2 parts of zinc stearate
0.1-0.3 parts of beta-diketon zinc
1.2-1.3 parts of pentaerythritol fatty acid ester ST220 or F210
0.4-0.45 parts of phosphite ester
0.4-0.45 parts of zinc acetylacetonate
0.5-0.8 parts of hydrotalcite
0.5-0.8 parts of zeolite
0.2 part of AC316A
0.4-0.65 parts of AC foaming agent
NaHCO30.5-0.8 parts of sodium bicarbonate
1-1.5 parts of PE wax
0.7-0.9 parts of interior lubrication prescription G60
0.3-0.5 parts of ZnO
1-2 parts of K123
2-3 parts of K385
5-6 parts of K718；
2) mixing is cold mixed: after the mixed preplasticizing of heat, being stirred at low speed by cold mixed 50rpm, material temperature was down to 50 at 350-400 seconds DEG C hereinafter, prevent material accumulated heat degrade, while eliminate high-speed stirred generation electrostatic；
3) it squeezes out: extrusion forming after material plasticizing, then cooling and shaping；
4) blanking, end of door plate are cut according to customer demand size；
5) it transfers: by temperature control heating transfer apparatus, transfer film being covered on resin expanded door substrate；
Door-plate transfer printing process state modulator: 1 temperature 185 ± 5 is taken turns in 0.2 ± 0.05N of winder tension, hauling speed 3-5m/min, face DEG C, face 185 ± 5 DEG C of 2 temperature of wheel, 170 ± 5 DEG C of 1 temperature is scalded in side, 170 ± 5 DEG C of 2 temperature is scalded in side and 130 ± 5 DEG C of 3 temperature is scalded in side.
2. preparation process according to claim 1, which is characterized in that so that material temperature is promoted to 115-118 in step 1) ℃。
3. preparation process according to claim 1 or 2, which is characterized in that when material mixes in the mixed machine of heat in step 1) Between 300-420 seconds.
4. preparation process according to claim 1 or 2, which is characterized in that mixing amount accounts for 800L heat and mixes pot body in step 1) The 65%-68% of volume.
5. preparation process according to claim 1 or 2, which is characterized in that the mixed flow deflector side of heat should distance in step 1) Pot wall 3-5cm wide.
6. preparation process according to claim 1 or 2, which is characterized in that cold do time should be in 330-420 in step 2 Second, while blanking temperature should be arranged in 45 DEG C.
7. preparation process according to claim 1 or 2, which is characterized in that specific process parameter in step 3) are as follows: screw rod turns 16 ± 2rpm of speed, 50 ± 5rpm of charging rate, 0.6 ± 0.2m/min of hauling speed, load 40~70%, extruder temperature 145 are squeezed out 1 temperature, 150 ± 10 DEG C, tin area of ± 10 DEG C, tin area, 2 temperature, 150 ± 10 DEG C, tin area, 3 temperature, 150 ± 10 DEG C, tin area, 4 temperature 150 170 ± 10 DEG C of 5 temperature, 170 ± 10 DEG C, tin area of ± 10 DEG C, tin area, 6 temperature, 170 ± 10 DEG C of 1 temperature of connector, 2 temperature of connector 170 ± 10 DEG C, the temperature of mold 1-11: 190 ± 10 DEG C, the temperature of mold 12-13: 170 ± 10 DEG C, melt temperature 180 ± 10 DEG C, it is 180 ± 10 DEG C of core model oil temperature, 180 ± 10 DEG C of mouth mold oil temperature, 60~80 DEG C of core model water temperature, 30~50 DEG C of mouth mold water temperature, cooling 14~18 DEG C of water temperature, vacuum hydrofuge negative pressure -0.03~-0.07 MPa and 0~-0.06MPa of dry setting negative pressure.
8. preparation process according to claim 1 or 2, which is characterized in that further include doorframe material transferring work in step 5) Skill, design parameter control: 0.2 ± 0.05N of winder tension, hauling speed 3-7m/min, 140 ± 5 DEG C of 1 temperature of perming, 2 temperature of perming 170 ± 5 DEG C of degree and 160 ± 5 DEG C of 3 temperature of perming.
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