CN104558475A - Modified polyol, metering and conveying device of polyol, and foamed board - Google Patents

Modified polyol, metering and conveying device of polyol, and foamed board Download PDF

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Publication number
CN104558475A
CN104558475A CN201410813710.6A CN201410813710A CN104558475A CN 104558475 A CN104558475 A CN 104558475A CN 201410813710 A CN201410813710 A CN 201410813710A CN 104558475 A CN104558475 A CN 104558475A
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CN
China
Prior art keywords
metering
rotor
conveying device
modified polyalcohol
polyol
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Pending
Application number
CN201410813710.6A
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Chinese (zh)
Inventor
朱宁
王万金
贺奎
董全霄
樊勇
夏义兵
吴敬朋
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Beijing Building Construction Research Institute Co Ltd
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Beijing Building Construction Research Institute Co Ltd
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Priority to CN201410813710.6A priority Critical patent/CN104558475A/en
Publication of CN104558475A publication Critical patent/CN104558475A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/50Polyethers having heteroatoms other than oxygen
    • C08G18/5075Polyethers having heteroatoms other than oxygen having phosphorus
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/04Carbon
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/06Elements
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • C08L75/06Polyurethanes from polyesters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • C08L75/08Polyurethanes from polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • C08J2375/06Polyurethanes from polyesters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • C08J2375/08Polyurethanes from polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/267Magnesium carbonate

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to a modified polyol, a metering and conveying device of the polyol, and a foamed board. According to the modified polyol, synergistic modification reinforcement is carried out on foam bodies by carbon fibers and magnesium carbonate (bicarbonate), and synergistic flame retarding is carried out on polyurethane foams by expansible graphite and a reactive phosphorus containing flame-retardant dispersant. The invention further relates to a foaming device capable of conveying and metering the modified polyol. The modified polyol is mixed with polyisocyanates, a catalyst, silicon oil and a foaming agent, poured on an aluminum foil or cement glass fabric and compression-molded by a laminating machine. The foamed board has the characteristics of low density (25-35 kg/m<3>), high strength, flame retardance and smoke suppression. The industrial production of the foamed board can be realized by the metering and conveying device.

Description

A kind of modified polyalcohol and metering and conveying device thereof and foam board
Technical field
The present invention relates to 3 technical fields: 1, relate to a kind of polyvalent alcohol, particularly a kind of fire-retardant, enhancement type polynary alcohol; 2, relate to a kind of metering and conveying device, particularly a kind ofly can contain the device of polyvalent alcohol of fiber, particulate matter by conveying and metering; 3, a kind of foam board is related to, particularly a kind of foam board utilizing modified polyalcohol and above-mentioned metering and conveying device to prepare.
Background technology
Current China is higher to building thermal insulation material fire safety standard-required, polyurethane heat insulation material is easy firing comparatively, the fire resistance of material effectively can be improved by adding organic phosphorous halogen containing flame-retardant, but because its price is high, when addition is large, plastification played to material itself and produce shrinkage strain to a certain degree, so for difficulty combustion or non-inflammable polyurethane material, phosphate ester flame retardants is not optimal selection; Expansible black lead receives increasing concern because its environmental friendliness flame retarding efficiency is high, cheap, Chinese patent CN 1724577A discloses the preparation method of expandable graphite filled high dendensity hard polyurethane foamed plastic, this patent be by polyether glycol, catalyzer, silicone oil, water, expanded graphite according to a certain percentage mechanical stirring mix, fully mixing with isocyanic ester, casting mold, after slaking, obtain goods.The urethane foam utilizing the method to prepare has good flame retardation effect, the advantage of environmental protection, but the deficiency of the method is: after 1) polyether glycol mixes with expansible black lead, and under existing without dispersion agent, long-term placement can produce sedimentation layering; 2) the method can not form large-scale industrial production; 3) wastage of material is serious.
For overcoming above-mentioned defect, Chinese patent CN102675851A discloses the preparation method of a kind of expanded graphite liquid combustion inhibitor and flame retardant polyurethane foam material, this patent is pre-mixed by the auxiliary agents such as expansible black lead and polyvalent alcohol, phosphate ester flame retardants, dispersion moistening, mix with polyisocyanates, catalyzer, whipping agent, molded foaming forms again.Not easily layering placed for a long time by the fire retardant utilizing the method to prepare, and can realize box foaming large-scale production; Prepared using is efficient; Good flame retardation effect, the advantages such as environmental protection; But the limitation of the method is: the production 1) being only applicable to box foam, be not suitable for the production of serialization sheet material; 2) high-density (50kg/m 3above) in situation, mechanical property is good, but cost is higher, low density (45kg/m 3below) in situation, cost is low, but mechanical property is poor.
Summary of the invention
The object of the invention is to 1, provide a kind of polyvalent alcohol of fire-retardant, environmental protection, the existence of carbon fiber and carbonate simultaneously makes polyurethane foam under case of low density case, excellent in mechanical performance;
2, a kind of metering is provided, carries the foaming equipment of inorganic modified polyvalent alcohol, namely can be used for box foaming, also can be used for the suitability for industrialized production of continous way sheet material;
3, a kind of low density, the nonflammable polyurethane foam slabs that utilize modified polyalcohol and above-mentioned foaming equipment to produce is provided.Particular content is:
Described modified polyalcohol mixes black paste matter by 20% ~ 70% polyethers (ester) polyvalent alcohol, 5% ~ 20% carbon fiber, 10% ~ 40% expansible black lead, 5% ~ 40% reactive fire-retardant dispersion agent, 5% ~ 30% carbonate;
1) length-to-diameter ratio L/D≤170 of described carbon fiber;
2) pH value of described expansible black lead is between 6.5 ~ 8.5;
3) the fire-retardant dispersion agent of described reactivity is the P contained compound containing hydroxyl or amino structure, comprises polyoxyethylene glycol phosphoric acid ester, polypropylene glycol phosphorous acid ester and two (4-aminophenyl) phenylphosphine oxide;
4) to tell carbonate be magnesiumcarbonate, Magnesium hydrogen carbonate or the mixture of the two.
Described modified polyalcohol utilizes following apparatus to carry out measuring and carry: device is by individual event asynchronous machine (1), duplex stirring rake (2), heat (cooling) circulation chuck (3), rotor pump or impeller pump (4), Stainless Steel Ball Valve (5), steel storage tank (6), pressure-resistant rubber hose (7), ferrule-type compression joint (8) are formed by connecting;
1) rotor of described rotor pump can be trilobal cross rotor, single blade profile rotor also can be buttferfly-type rotor;
2) described impeller pump is cantilevered single stage single suction volute pump.
Described foam board preparation method comprises following steps:
1) polyethers (ester) polyvalent alcohol, catalyzer, silicone oil, whipping agent being mixed postscript according to 25 ~ 50: 1 ~ 3: 1 ~ 3: 10 ~ 20 ratios is A; Modified polyalcohol is designated as B; Isocyanic ester is designated as C; According to the ratio mixing of A: B: C=1: 1 ~ 3: 2 ~ 8;
2) utilize polyurethane foaming machine to measure A, C, described in claim 2, device metering B, is cast on aluminium foil or cement glass-fiber-fabric by A, B, C mixing, laminating machine compression moulding.
Advantage of the present invention is:
1, density is low, and the density of hard polyurethane foams involved in the present invention significantly reduces, by traditional 50kg/m 3be down to 25 ~ 35kg/m 3, every cube of cost can reduce nearly half, for basis of price is established in the application of polyurethane foam slabs further genralrlization;
2, intensity is high, and the present invention utilizes carbon fiber, and carbonic acid (hydrogen) magnesium is as toughener, and both have chemiluminescence, effectively can improve mechanical property and the thermal stability of foam materials;
3, fire-retardant, low cigarette, be added with in foam of the present invention pH value between 6.5 ~ 8.5 expansible black lead, not only good with materials compatibility, and with reactive phosphor-containing flame-proof dispersion agent produce cooperative flame retardant, press down cigarette effect, gained foam board difficulty combustion even do not fire.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of a kind of modified polyalcohol of the present invention and metering and conveying device and foam board;
Fig. 2 is part of the present invention picture in kind;
Number in the figure illustrates: 1-individual event asynchronous machine, 2-duplex stirring rake, 3-heat (cooling) circulation chuck, 4-rotor pump or impeller pump, 5-Stainless Steel Ball Valve, 6-steel storage tank, 7-pressure-resistant rubber hose, 8-ferrule-type compression joint.
Embodiment
By reference to the accompanying drawings, the present invention is described further.
The present invention relates to a kind of modified polyalcohol and metering and conveying device thereof and foam board.
Described modified polyalcohol mixes black paste matter by 30% polyether glycol, 10% carbon fiber, 25% expansible black lead, 20% reactive fire-retardant dispersion agent, 15% carbonate;
1) the length-to-diameter ratio L/D=140 of described carbon fiber;
2) pH value of described expansible black lead is 7.0;
3) the fire-retardant dispersion agent of described reactivity is polyoxyethylene glycol phosphoric acid ester;
4) carbonate of telling is magnesiumcarbonate.
Described modified polyalcohol utilizes following apparatus to carry out measuring and carry: device is by individual event asynchronous machine (1), duplex stirring rake (2), heat (cooling) circulation chuck (3), rotor pump (4), Stainless Steel Ball Valve (5), steel storage tank (6), pressure-resistant rubber hose (7), ferrule-type compression joint (8) are formed by connecting;
1) rotor of described rotor pump is trilobal cross rotor.
Described foam board preparation method comprises following steps:
1) polyethers (ester) polyvalent alcohol, catalyzer, silicone oil, whipping agent being mixed postscript according to 35: 2: 3: 20 ratios is A; Modified polyalcohol is designated as B; Isocyanic ester is designated as C; According to the ratio mixing of A: B: C=1: 2: 5;
2) utilize polyurethane foaming machine to measure A, C, described in claim 2, device metering B, is cast on aluminium foil or cement glass-fiber-fabric by A, B, C mixing, laminating machine compression moulding.
The present invention is mainly used in building energy conservation heat insulation, and gained foam materials has the feature of low-density and high-strength, the invention provides a kind of modified polyalcohol and can the foam device of this polyvalent alcohol of conveying and metering, this foam board suitability for industrialized production is achieved.

Claims (3)

1. modified polyalcohol and metering and conveying device thereof and a foam board, is characterized in that: described modified polyalcohol mixes black paste matter by 20% ~ 70% polyethers (ester) polyvalent alcohol, 5% ~ 20% carbon fiber, 10% ~ 40% expansible black lead, 5% ~ 40% reactive fire-retardant dispersion agent, 5% ~ 30% carbonate;
1) length-to-diameter ratio L/D≤170 of described carbon fiber;
2) pH value of described expansible black lead is between 6.5 ~ 8.5;
3) the fire-retardant dispersion agent of described reactivity is the P contained compound containing hydroxyl or amino structure, comprises polyoxyethylene glycol phosphoric acid ester, polypropylene glycol phosphorous acid ester and two (4-aminophenyl) phenylphosphine oxide;
4) to tell carbonate be magnesiumcarbonate, Magnesium hydrogen carbonate or the mixture of the two.
2. a kind of modified polyalcohol according to claim 1 and metering and conveying device thereof and foam board, is characterized in that described modified polyalcohol utilizes following apparatus to carry out measuring and carries: device is by individual event asynchronous machine (1), duplex stirring rake (2), heat (cooling) circulation chuck (3), rotor pump or impeller pump (4), Stainless Steel Ball Valve (5), steel storage tank (6), pressure-resistant rubber hose (7), ferrule-type compression joint (8) are formed by connecting;
1) rotor of described rotor pump can be trilobal cross rotor, single blade profile rotor also can be buttferfly-type rotor;
2) described impeller pump is cantilevered single stage single suction volute pump.
3., according to claim 1 and a kind of modified polyalcohol according to claim 2 and metering and conveying device thereof and foam board, it is characterized in that, described foam board preparation method comprises following steps:
1) polyethers (ester) polyvalent alcohol, catalyzer, silicone oil, whipping agent being mixed postscript according to 25 ~ 50: 1 ~ 3: 1 ~ 3: 10 ~ 20 ratios is A; Modified polyalcohol is designated as B; Isocyanic ester is designated as C; According to the ratio mixing of A: B: C=1: 1 ~ 3: 2 ~ 8;
2) utilize polyurethane foaming machine to measure A, C, described in claim 2, device metering B, is cast on aluminium foil or cement glass-fiber-fabric by A, B, C mixing, laminating machine compression moulding.
CN201410813710.6A 2014-12-25 2014-12-25 Modified polyol, metering and conveying device of polyol, and foamed board Pending CN104558475A (en)

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CN201410813710.6A CN104558475A (en) 2014-12-25 2014-12-25 Modified polyol, metering and conveying device of polyol, and foamed board

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110660502A (en) * 2019-09-30 2020-01-07 江苏亨通线缆科技有限公司 High-strength electromagnetic shielding cable
CN111729599A (en) * 2020-07-04 2020-10-02 苏州德亨节能环保科技有限公司 Process for adding expanded graphite into core material on color steel insulation board production line

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1243055A (en) * 1998-07-29 2000-02-02 亨内克股份有限公司 Method for moulded products of polyurethane by injection technology, and apparatus thereof
CN103408925A (en) * 2013-08-30 2013-11-27 深圳市柳鑫实业有限公司 Rigid foamed plastic
CN103755950A (en) * 2014-01-16 2014-04-30 南京红宝丽股份有限公司 Continuous preparation method of flame retardant polyether polyol
CN103819651A (en) * 2014-02-28 2014-05-28 北京东方雨虹防水技术股份有限公司 Hard polyurethane foam material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1243055A (en) * 1998-07-29 2000-02-02 亨内克股份有限公司 Method for moulded products of polyurethane by injection technology, and apparatus thereof
CN103408925A (en) * 2013-08-30 2013-11-27 深圳市柳鑫实业有限公司 Rigid foamed plastic
CN103755950A (en) * 2014-01-16 2014-04-30 南京红宝丽股份有限公司 Continuous preparation method of flame retardant polyether polyol
CN103819651A (en) * 2014-02-28 2014-05-28 北京东方雨虹防水技术股份有限公司 Hard polyurethane foam material and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
冯发飞和钱立军: "可膨胀石墨与含磷阻燃剂在聚氨酯硬泡材料中的应用", 《中国塑料》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110660502A (en) * 2019-09-30 2020-01-07 江苏亨通线缆科技有限公司 High-strength electromagnetic shielding cable
CN111729599A (en) * 2020-07-04 2020-10-02 苏州德亨节能环保科技有限公司 Process for adding expanded graphite into core material on color steel insulation board production line
CN111729599B (en) * 2020-07-04 2022-04-22 苏州德亨节能环保科技有限公司 Process for adding expanded graphite into core material on color steel insulation board production line

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Application publication date: 20150429