CN117484990A - 一种二次发泡的保温材料及其制备方法 - Google Patents
一种二次发泡的保温材料及其制备方法 Download PDFInfo
- Publication number
- CN117484990A CN117484990A CN202311449358.8A CN202311449358A CN117484990A CN 117484990 A CN117484990 A CN 117484990A CN 202311449358 A CN202311449358 A CN 202311449358A CN 117484990 A CN117484990 A CN 117484990A
- Authority
- CN
- China
- Prior art keywords
- foaming
- talcum powder
- foam substrate
- agent
- secondarily
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005187 foaming Methods 0.000 title claims abstract description 112
- 239000012774 insulation material Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title abstract description 29
- 239000006260 foam Substances 0.000 claims abstract description 87
- 239000000758 substrate Substances 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 69
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000011265 semifinished product Substances 0.000 claims abstract description 43
- -1 polypropylene Polymers 0.000 claims abstract description 42
- 239000004793 Polystyrene Substances 0.000 claims abstract description 31
- 229920002223 polystyrene Polymers 0.000 claims abstract description 31
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 29
- 239000004743 Polypropylene Substances 0.000 claims abstract description 24
- 229920013716 polyethylene resin Polymers 0.000 claims abstract description 24
- 229920001155 polypropylene Polymers 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 239000004088 foaming agent Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 239000012745 toughening agent Substances 0.000 claims abstract description 14
- 238000011049 filling Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical group [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 claims description 33
- 238000004321 preservation Methods 0.000 claims description 28
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 26
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 26
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 26
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 26
- 238000011084 recovery Methods 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 239000002699 waste material Substances 0.000 claims description 17
- 239000007822 coupling agent Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 14
- 239000002655 kraft paper Substances 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 238000005491 wire drawing Methods 0.000 claims description 13
- 239000001273 butane Substances 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical group CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 12
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- 239000000123 paper Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 17
- 239000004819 Drying adhesive Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 229920002689 polyvinyl acetate Polymers 0.000 description 6
- 239000011118 polyvinyl acetate Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- 235000012222 talc Nutrition 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 239000002667 nucleating agent Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/007—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a foam layer
-
- 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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J9/009—Use of pretreated compounding ingredients
-
- 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
- C08J9/12—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 physical blowing agent
- C08J9/14—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 physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
-
- 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
- C08J2325/00—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 an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- 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
-
- 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
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—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
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本申请涉及发泡材料领域,具体公开了一种二次发泡的保温材料及其制备方法。二次发泡的保温材料包括泡沫基板,以及胶黏贴附在泡沫基板上的保护外层;所述泡沫基板由发泡基料和发泡剂制得,所述发泡剂的质量为发泡基料质量的6‑7%;所述发泡基料包括以下各组分:聚苯乙烯、聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶、增韧剂;其制备方法为:按配比将发泡基料混合并熔融挤出,在挤出设备出口处向半成品中充入发泡剂,加热,得到泡沫基板;在泡沫基板表面贴附保护外层,固化后得到二次发泡的保温材料。本申请的二次发泡的保温材料具有抗压强度高、韧性好的优点。
Description
技术领域
本申请涉及发泡材料领域,更具体地说,它涉及一种二次发泡的保温材料及其制备方法。
背景技术
发泡聚苯乙烯树脂具有高强度、质量轻、极佳的保温绝热性能和高吸收热量能力,广泛应用于贵重物品、精密仪器、蔬菜水果和水产品等的包装材料,在存储运输过程中对需要保温的物品进行封装使用,具有有效的保冷防凝露及保温防止热损失的效果和防水等功能。
将聚苯乙烯、聚乙烯等热塑性塑料和发泡剂、成核剂以及发泡助剂混合后,加入到挤出发泡机组中进行发泡,发泡制品从机头挤出后在进行整平、冷却、定型,形成最终的发泡板材。发泡剂包括化学发泡剂和物理发泡体系,化学发泡剂经热分解产生气体,从而在聚合物基体中形成泡孔;物理发泡剂是通过发泡剂物理形态的变化形成泡孔。成核剂则能够有效地增大泡孔密度、减少泡孔直径,改善泡孔形态。
然而,目前的物流运输包装箱体用保温发泡材料的韧性较差,抗压强度不足,易发生断裂破损,故有待改善。
发明内容
为了提高保温发泡材料的抗压强度,本申请提供一种二次发泡的保温材料及其制备方法。
第一方面,本申请提供一种二次发泡的保温材料,采用如下的技术方案:
一种二次发泡的保温材料,包括泡沫基板,以及胶黏贴附在泡沫基板上的保护外层;
所述泡沫基板由发泡基料和发泡剂制得,所述发泡剂的质量为发泡基料质量的6-7%;所述发泡基料包括以下质量百分比的各组分:
聚苯乙烯92-95%、
聚乙烯树脂0.3-1%、
聚丙烯0.5-1.5%、
聚乙烯醋酸乙烯脂0.6-1%、
发泡回收料3-5%、
滑石粉0.3-1%、
热塑性橡胶0.3-0.5%、
增韧剂0-1%。
通过采用上述技术方案,通过聚苯乙烯与聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂相复配,大大提高了泡沫基板的坚韧性、弹性、耐腐蚀性能和保温隔热性能,通过添加热塑性橡胶,进一步提高泡沫基板的拉伸强度,促进泡沫基板弹性和韧性的提高,进而提高泡沫基板的抗压强度;滑石粉作为成核剂能够使泡孔结构细密均匀,提高泡沫基板的力学性能,有助于提高泡沫基板的拉伸强度和弯曲强度,促进泡沫基板抗压强度的提高;增韧剂有助于进一步提高泡沫基板韧性,促进泡沫基板抗压强度的提高;
本申请通过对泡沫基板原料的改进,提高了泡沫基板的拉伸强度、韧性和弹性,促进泡沫基板抗压强度的提高,并有助于提高泡沫基板的保温隔热性能;并且由于在泡沫基板上贴附保护外层,提高保温材料的保温效果和阻燃性能及防水功能,并进一步提高发泡材料的抗压强度,能够获得具有优异的抗压强度的、环保的、保温效果好的发泡材料。
优选的,所述滑石粉为微晶纤维素接枝改性的滑石粉,改性操作如下:
将硅烷偶联剂加入至乙醇水溶液中,搅拌均匀,得到偶联剂溶液,调节pH至4-6,将滑石粉浸入其中,在40-60℃下浸渍30-60min,过滤,得到偶联改性滑石粉;
将微晶纤维素加入至无水乙醇中,超声分散,得到微晶纤维素分散液,再加入偶联改性滑石粉,在50-80℃下搅拌2-4h,分离,洗涤,干燥,得到微晶纤维素接枝滑石粉。
优选的,所述偶联剂溶液的质量分数为8-12%,所述滑石粉与所述偶联剂溶液的质量比为(0.5-2):5;所述偶联改性滑石粉与微晶纤维素的质量比为1:(0.5-0.8)。
通过采用上述技术方案,有助于提高滑石粉的分散性能,促进成核均匀,同时微晶纤维素具有稳泡效果,有助于进一步改善泡沫结构,提高发泡效果。
优选的,所述增韧剂为改性硼酸铝晶须,改性操作如下:
将钛酸酯偶联剂、硼酸铝晶须投入至乙醇水溶液中,调节pH至4-6,80℃条件下持续搅拌2h,得到硼酸铝晶须悬浮液;
将引发剂、丙烯酸单体、溶剂混合,得到混合液,在搅拌条件下,将混合液滴加至硼酸铝晶须悬浮液中,再持续搅拌2-4h,分离,洗涤,干燥,得到改性硼酸铝晶须。
优选的,所述硼酸铝晶须与所述混合液的质量比为1:(1.5-2.5);所述混合液中,引发剂的质量分数为0.4-0.6%,丙烯酸单体的质量分数为2-4%。
通过采用上述技术方案,硼酸铝晶须具有优异的增韧增强性能,能够提高泡沫基板的拉伸强度、弯曲强度,提高泡沫基板的韧性和抗压性能;通过钛酸酯偶联剂将丙烯酸单体或低聚丙烯酸与硼酸铝晶须相偶联,在引发剂的作用下,丙烯酸单体在硼酸铝晶须表面不断聚合,得到表面接枝有低聚丙烯酸的硼酸铝晶须,提高了硼酸铝晶须与发泡基料的相容性,促进了硼酸铝晶须的分散;丙烯酸链段能够参与发泡基料的固化过程,参与有机聚合物长链网络的形成,有助于将有机网络与无机的硼酸铝晶须相连接,当受到外力时有助于进一步促进外力的分散,提高泡沫基板的抗压强度。
优选的,所述发泡回收料由回收的发泡保温废料经破碎,融化,过滤,提纯,挤出,拉丝,切粒而得。
通过采用上述技术方案,能够使发泡保温废料回收再利用,节约资源,绿色环保。
优选的,所述热塑性橡胶为苯乙烯一丁二烯一苯乙烯嵌段共聚物。
通过采用上述技术方案,苯乙烯一丁二烯一苯乙烯嵌段共聚物与聚苯乙烯共混有助于改善泡沫基板的低温性能,提高泡沫基板的弯曲性能和冲击性能,促进保温材料耐用性的提高。
优选的,所述发泡剂为丁烷。
优选的,所述保护外层选自牛皮纸或锡箔纸中的一种。
优选的,所述保护外层通过快干胶与所述泡沫基板相胶黏。
通过采用上述技术方案,牛皮纸或锡箔纸作为保护外层有助于提高保温材料的保温效果,并具有一定的阻燃性能,同时可以起到对泡沫基板的保护作用;快干胶固化速率快,胶黏效果好,有助于减少保护外层与泡沫基板相剥离的可能性。
第二方面,本申请提供一种二次发泡的保温材料的制备方法,采用如下的技术方案:
一种二次发泡的保温材料的制备方法,包括以下步骤:
回收发泡保温废料,废料经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;按配比,将聚苯乙烯、聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶、增韧剂混合投入挤出设备中,熔融成型后挤出,得到半成品,在挤出设备出口处向半成品中充入发泡剂,加热,得到泡沫基板;
在泡沫基板表面贴附保护外层,固化后得到二次发泡的保温材料。
通过采用上述技术方案,向半成品中充入发泡剂使半成品膨胀,再加热使之充分发泡,提高泡沫基板的抗压强度,能够制得具有优异的韧性和抗压强度,保温效果好,具有一定阻燃性能,绿色环保的保温材料。
综上所述,本申请具有以下有益效果:
1、由于本申请采用聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂与聚苯乙烯相复配,大大提高了泡沫基板的坚韧性、弹性、耐腐蚀性能和保温隔热性能,通过添加热塑性橡胶进行共混改性,进一步提高泡沫基板的拉伸强度,促进保温材料抗压强度和韧性的提高;
2、本申请中优选采用微晶纤维素接枝改性的滑石粉,有助于提高滑石粉的分散性能,促进成核均匀,同时微晶纤维素具有稳泡效果,有助于进一步改善泡沫结构,提高发泡效果,进而有助于提高保温材料的抗压强度和韧性;
3、本申请优选采用改性硼酸铝晶须作为增韧剂,硼酸铝晶须能够提高泡沫基板的韧性和抗压性能,接枝在硼酸铝晶须表面的丙烯酸链段能够促进硼酸铝晶须的分散,并能够参与发泡基料的固化过程,将有机物交联网络与无机的硼酸铝晶须相连接,有助于促进受力分散,提高保温材料的抗压强度;
4、本申请将发泡保温废料回收再利用,能够节约资源,提高保温材料的环保性能;
5、本申请在泡沫基板表面贴附牛皮纸或锡箔纸作为保护外层,有助于提高阻燃性能并提高保温效果及防水功能,同时有助于提高保温材料的抗压性能。
具体实施方式
以下结合实施例对本申请作进一步详细说明。
制备例
制备例1
本制备例公开了一种改性硼酸铝晶须,制备方法如下:
将100g钛酸酯偶联剂、200g硼酸铝晶须投入至900g的50%乙醇水溶液中,调节pH至5,80℃条件下持续搅拌2h,得到硼酸铝晶须悬浮液;
将2g引发剂过氧化二异丙苯、12g甲基丙烯酸、386g溶剂混合,得到400g混合液,在搅拌条件下,将混合液滴加至硼酸铝晶须悬浮液中,再持续搅拌3h,离心,无水乙醇洗涤三次,再水洗三次,40℃真空烘干,得到改性硼酸铝晶须。
本制备例中,钛酸酯偶联剂为异丙基三(二辛基焦磷酸酰氧基)酞酸酯。
制备例2
本制备例公开了一种微晶纤维素接枝滑石粉,制备方法如下:
将50g硅烷偶联剂KH550溶解至450g的50%乙醇水溶液中,搅拌均匀,得到10wt%的偶联剂溶液,调节pH至5,将200g滑石粉浸入其中,搅拌分散均匀,在45℃下浸渍40min,过滤,得到偶联改性滑石粉;
将100g微晶纤维素加入至800g无水乙醇中,超声分散,得到微晶纤维素分散液,再加入200g偶联改性滑石粉,在75℃下搅拌2h,分离,水洗三次,60℃下烘干,得到微晶纤维素接枝滑石粉。
制备例3
本制备例与制备例2的不同之处仅在于,微晶纤维素接枝滑石粉制备方法如下:
将50g硅烷偶联剂KH550溶解至450g的50%乙醇水溶液中,搅拌均匀,得到10wt%的偶联剂溶液,调节pH至5,将200g滑石粉浸入其中,搅拌分散均匀,在45℃下浸渍40min,过滤,得到偶联改性滑石粉;
将160g微晶纤维素加入至800g无水乙醇中,超声分散,得到微晶纤维素分散液,再加入200g偶联改性滑石粉,在75℃下搅拌2h,分离,水洗三次,60℃下烘干,得到微晶纤维素接枝滑石粉。
实施例
实施例1
本实施例公开了一种二次发泡的保温材料,包括泡沫基板和胶黏贴附在泡沫基板表面的保护外层。保护外层通过快干胶与泡沫基板相胶黏。
本实施例中,保护外层为牛皮纸,快干胶的型号为AHL21-633。
其中,泡沫基板由发泡基料和发泡剂制得,发泡剂为丁烷,发泡剂的质量为发泡基料质量的7%。
发泡基料包括以下质量的各组分:聚苯乙烯93kg、聚乙烯树脂0.6kg、聚丙烯0.8kg、聚乙烯醋酸乙烯脂0.7kg、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg。
本实施例中,热塑性橡胶为苯乙烯一丁二烯一苯乙烯嵌段共聚物。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
实施例2
本实施例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯92kg、聚乙烯树脂1kg、聚丙烯1.5kg、聚乙烯醋酸乙烯脂1kg、发泡回收料3kg、滑石粉1kg、热塑性橡胶0.5kg。
实施例3
本实施例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯93kg、聚乙烯树脂0.3kg、聚丙烯0.5kg、聚乙烯醋酸乙烯脂0.6kg、发泡回收料5kg、滑石粉0.3kg、热塑性橡胶0.3kg。
实施例4
本实施例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯95kg、聚乙烯树脂0.3kg、聚丙烯0.5kg、聚乙烯醋酸乙烯脂0.6kg、发泡回收料3kg、滑石粉0.3kg、热塑性橡胶0.3kg。
实施例5
本实施例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯92.5kg、聚乙烯树脂0.6kg、聚丙烯0.8kg、聚乙烯醋酸乙烯脂0.7kg、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg、增韧剂0.5kg。
本实施例中,增韧剂由制备例1的方法制得。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶、增韧剂混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
实施例6
本实施例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯92kg、聚乙烯树脂0.6kg、聚丙烯0.8kg、聚乙烯醋酸乙烯脂0.7kg、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg、增韧剂1kg。
实施例7
本实施例与实施例1的不同之处仅在于,滑石粉为制备例2的方法制得的微晶纤维素接枝改性的滑石粉。
实施例8
本实施例与实施例1的不同之处仅在于,滑石粉为制备例3的方法制得的微晶纤维素接枝改性的滑石粉。
实施例9
本实施例与实施例1的不同之处仅在于,保护外层为锡箔纸。二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将93kg聚苯乙烯、0.6kg聚乙烯树脂、0.8kg聚丙烯、0.7kg聚乙烯醋酸乙烯脂、4kg发泡回收料、0.5kg滑石粉、0.4kg热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将锡箔纸贴附至泡沫基板上,得到二次发泡的保温材料。
对比例
对比例1
本对比例与实施例1的不同之处仅在于,
发泡基料包括以下质量的各组分:聚苯乙烯95.1kg、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、发泡回收料、滑石粉、热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
对比例2
本对比例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯93kg、聚丙烯1.2g、聚乙烯醋酸乙烯脂0.9kg、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
对比例3
本对比例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯93kg、聚乙烯树脂1.2g、聚乙烯醋酸乙烯脂0.9kg、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、聚乙烯树脂、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
对比例4
本对比例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯93kg、聚乙烯树脂0.9kg、聚丙烯1.2g、发泡回收料4kg、滑石粉0.5kg、热塑性橡胶0.4kg。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、聚乙烯树脂、聚丙烯、发泡回收料、滑石粉、热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
对比例5
本对比例与实施例1的不同之处仅在于,发泡基料包括以下质量的各组分:聚苯乙烯93.4g、聚乙烯树脂0.6kg、聚丙烯0.8kg、聚乙烯醋酸乙烯脂0.7kg、发泡回收料4kg、滑石粉0.5kg。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将上述质量的聚苯乙烯、聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到泡沫基板;
在泡沫基板表面涂覆快干胶,将牛皮纸贴附至泡沫基板上,得到二次发泡的保温材料。
对比例6
本对比例与实施例1的不同之处仅在于,二次发泡的保温材料表面不贴附保护外层。
二次发泡的保温材料的制备方法如下:
回收发泡保温废料,再经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;将93kg聚苯乙烯、0.6kg聚乙烯树脂、0.8kg聚丙烯、0.7kg聚乙烯醋酸乙烯脂、4kg发泡回收料、0.5kg滑石粉、0.4kg热塑性橡胶混合投入双螺杆挤出机中,熔融成型后挤出,得到半成品;
在挤出机出口处向半成品中充入7kg丁烷,使得半成品内部结构膨胀,加热使之充分发泡,得到二次发泡的保温材料。
性能检测试验
将各实施例、各对比例中制得的保温材料参照标准GB/T 8813-2020进行压缩性能测定以检测抗压强度,参照标准GB/T 1043-93检测抗冲击强度;参照标准GB/T 1696-2001检测弯曲强度。结果汇总至表1。
表1
结合实施例1-4、实施例9并结合表1可以看出,参照本申请公开的方法能够制得具有优异的抗压强度、高抗冲击强度和较佳的弯曲强度的保温材料,表明本申请公开的二次发泡的保温材料具有优异的韧性,且抗压性能好。
结合实施例1和对比例1-4并结合表1可以看出,采用聚乙烯树脂、聚丙烯、聚乙烯-醋酸乙烯酯与聚苯乙烯相复配,能够提高保温材料的抗压强度和弯曲强度,促进保温材料韧性和抗压强度的提高。
结合实施例1、对比例5并结合表1可以看出,选用热塑性橡胶SBS与聚苯乙烯共混,能够促进保温材料抗压强度和韧性的进一步提高。
结合实施例1、实施例9、对比例6并结合表1可以看出,在泡沫基板表面贴附牛皮纸或锡箔纸作为保护外层使保护材料的抗压强度和韧性得到进一步提高。
结合实施例1、实施例7-8并结合表1可以看出,对滑石粉进行微晶纤维素接枝改性,有助于进一步提高保温材料的抗压强度和韧性;这可能是由于,微晶纤维素和硅烷偶联剂处理滑石粉后能够提高滑石粉在发泡基料中的分散性能,进一步促进发泡的均匀性,同时微晶纤维素有助于提高泡沫稳定性,促进抗压强度的提高。
结合实施例1、实施例5-6并结合表1可以看出,添加增韧剂后有助于进一步促进保温材料的抗压强度和韧性的提高。这可能是由于,硼酸铝晶须能够提高泡沫基板的韧性和抗压性能,接枝在硼酸铝晶须表面的丙烯酸链段能够促进硼酸铝晶须的分散,并能够参与发泡基料的固化过程,将有机物交联网络与无机的硼酸铝晶须相连接,有助于促进受力分散,提高泡沫基板的抗压强度。
本具体实施例仅仅是对本申请的解释,其并不是对本申请的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只要在本申请的权利要求范围内都受到专利法的保护。
Claims (10)
1.一种二次发泡的保温材料,其特征在于,包括泡沫基板,以及胶黏贴附在泡沫基板上的保护外层;
所述泡沫基板由发泡基料和发泡剂制得,所述发泡剂的质量为发泡基料质量的6-7%;所述发泡基料包括以下质量百分比的各组分:
聚苯乙烯92-95%、
聚乙烯树脂0.3-1%、
聚丙烯0.5-1.5%、
聚乙烯醋酸乙烯脂0.6-1%、
发泡回收料3-5%、
滑石粉0.3-1%、
热塑性橡胶0.3-0.5%、
增韧剂0-1%。
2.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述滑石粉为微晶纤维素接枝改性的滑石粉,改性操作如下:
将硅烷偶联剂加入至乙醇水溶液中,搅拌均匀,得到偶联剂溶液,调节pH至4-6,将滑石粉浸入其中,在40-60℃下浸渍30-60min,过滤,得到偶联改性滑石粉;
将微晶纤维素加入至无水乙醇中,超声分散,得到微晶纤维素分散液,再加入偶联改性滑石粉,在50-80℃下搅拌2-4h,分离,洗涤,干燥,得到微晶纤维素接枝滑石粉。
3.根据权利要求2所述的二次发泡的保温材料,其特征在于:所述偶联剂溶液的质量分数为8-12%,所述滑石粉与所述偶联剂溶液的质量比为(0.5-2):5;所述偶联改性滑石粉与微晶纤维素的质量比为1:(0.5-0.8)。
4.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述增韧剂为改性硼酸铝晶须,改性操作如下:
将钛酸酯偶联剂、硼酸铝晶须投入至乙醇水溶液中,调节pH至4-6,80℃条件下持续搅拌2h,得到硼酸铝晶须悬浮液;
将引发剂、丙烯酸单体、溶剂混合,得到混合液,在搅拌条件下,将混合液滴加至硼酸铝晶须悬浮液中,再持续搅拌2-4h,分离,洗涤,干燥,得到改性硼酸铝晶须。
5.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述硼酸铝晶须与所述混合液的质量比为1:(1.5-2.5);所述混合液中,引发剂的质量分数为0.4-0.6%,丙烯酸单体的质量分数为2-4%。
6.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述发泡回收料由回收的发泡保温废料经破碎,融化,过滤,提纯,挤出,拉丝,切粒而得。
7.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述热塑性橡胶为苯乙烯一丁二烯一苯乙烯嵌段共聚物。
8.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述发泡剂为丁烷。
9.根据权利要求1所述的二次发泡的保温材料,其特征在于:所述保护外层选自牛皮纸、锡箔纸中的一种。
10.一种如权利要求1-9任一所述的二次发泡的保温材料的制备方法,其特征在于:包括以下步骤:
回收发泡保温废料,废料经破碎、融化、过滤、提纯、挤出、拉丝、切粒,得到发泡回收料;
按配比,将聚苯乙烯、聚乙烯树脂、聚丙烯、聚乙烯醋酸乙烯脂、发泡回收料、滑石粉、热塑性橡胶、增韧剂混合投入挤出设备中,熔融成型后挤出,得到半成品,在挤出设备出口处向半成品中充入发泡剂,加热,得到泡沫基板;
在泡沫基板表面贴附保护外层,固化后得到二次发泡的保温材料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311449358.8A CN117484990A (zh) | 2023-11-02 | 2023-11-02 | 一种二次发泡的保温材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311449358.8A CN117484990A (zh) | 2023-11-02 | 2023-11-02 | 一种二次发泡的保温材料及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117484990A true CN117484990A (zh) | 2024-02-02 |
Family
ID=89668452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311449358.8A Pending CN117484990A (zh) | 2023-11-02 | 2023-11-02 | 一种二次发泡的保温材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117484990A (zh) |
-
2023
- 2023-11-02 CN CN202311449358.8A patent/CN117484990A/zh active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8101686B2 (en) | Interpolymer resin particles | |
WO2009089698A1 (fr) | Plastique en polypropylène expansé de type écologique dégradable et son procédé de préparation | |
CN104945737B (zh) | 一种高性能微发泡专用的玻纤增强聚丙烯复合材料及其制备方法 | |
CN112759825B (zh) | 纤维增强聚丙烯组合物和发泡聚丙烯复合材料及其制备方法 | |
CN109651783A (zh) | 一种微发泡天然纤维增强聚乳酸复合材料及其制备方法 | |
CN104945823B (zh) | 一种微发泡多相纤维增强聚丙烯复合材料及其制备方法 | |
CN104072880B (zh) | 一种tpo发泡微球的制备方法以及应用 | |
CN107936441A (zh) | 一种两步法硅烷自然交联聚乙烯的方法 | |
CN113980300A (zh) | 低凝胶含量高熔体强度聚丙烯及其制备方法和用途 | |
CN117484990A (zh) | 一种二次发泡的保温材料及其制备方法 | |
CN101735397A (zh) | 一种接枝改性高熔体弹性、高拉伸黏度发泡聚丙烯材料(PP-g-GMA/ST)的配制 | |
CN113292760B (zh) | 交联间规聚丙烯泡沫及其制备方法和应用 | |
CN109486060A (zh) | 一种通信用pvc挤出管材及其制备方法 | |
CN109082018A (zh) | 一种弹性石墨烯eps及其制备方法 | |
CN107459671A (zh) | 一种用于聚丙烯塑料发泡的改性膨胀微球及其制备方法 | |
CN101225203B (zh) | 包含抗环戊烷、五氟丙烷、二氯一氟乙烷的冰箱内衬树脂 | |
CN112341724A (zh) | 一种用于制备微孔发泡材料的组合物、微孔发泡材料及其制备方法 | |
CN108659367B (zh) | 一种透明洗衣机盖用组合物及制备方法 | |
KR100574681B1 (ko) | 고용융장력을 지닌 폴리올레핀 수지조성물 및 그를이용하여 제조된 발포체 | |
JPS5915130B2 (ja) | 熱可塑性樹脂粒子の製造法 | |
CN113166457B (zh) | 亚乙烯基芳族单体与具有酸基的不饱和化合物的共聚物的离聚物泡沫和形成所述泡沫的方法 | |
CN112708397B (zh) | 一种马来酸酐接枝双峰聚乙烯改性沥青防水胶层、防水材料及其制备方法 | |
CN107118525A (zh) | 一种阻燃的abs增强改性pbt组合物 | |
CN117467274A (zh) | 一种改性淀粉/聚氨酯发泡复合材料及其制备方法和应用 | |
CN109161079A (zh) | 一种PE/PS/SEBS-g-MAH复合材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |