CN115583085A - Novel environment-friendly weather-resistant PVC waterproof coiled material and preparation method thereof - Google Patents

Novel environment-friendly weather-resistant PVC waterproof coiled material and preparation method thereof Download PDF

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CN115583085A
CN115583085A CN202111641035.XA CN202111641035A CN115583085A CN 115583085 A CN115583085 A CN 115583085A CN 202111641035 A CN202111641035 A CN 202111641035A CN 115583085 A CN115583085 A CN 115583085A
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layer
parts
weather
resistant
pvc
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王鹏
杨鸿程
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Jiaxing Gaozheng New Material Technology Co ltd
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Jiaxing Gaozheng New Material Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • C08L27/12—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 fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • B29L2009/00—Layered products
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • 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
    • 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
    • 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
    • B32B2307/552—Fatigue strength
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract

The invention relates to the field of building materials (IPC (International patent medicine) No. E04D 15/06), in particular to a novel environment-friendly weather-resistant PVC waterproof coiled material and a preparation method thereof. The novel environment-friendly weather-resistant PVC waterproof coiled material comprises a high weather-resistant PVDF layer, a bonding layer and a soft PVC layer. The novel environment-friendly weather-resistant PVC waterproof coiled material prepared by the invention adopts a three-layer structure compounded by the high weather-resistant PVDF layer, the bonding layer and the soft PVC, so that the liquid infiltration and the curling of waterproof corners are avoided. The PVDF layer and the soft PVC layer are combined by the bonding layer prepared by the invention, so that the side water seepage is avoided, and the waterproof performance of the waterproof roll is integrally improved. Meanwhile, the prepared waterproof roll material also has good low temperature resistance, high temperature resistance and weather resistance, has the advantages of high weather resistance, environmental protection, energy conservation, high efficiency and the like compared with the traditional waterproof roll material, and simultaneously meets the standard requirements of environment-friendly and resource-saving society of materials and processes.

Description

Novel environment-friendly weather-resistant PVC waterproof coiled material and preparation method thereof
Technical Field
The invention relates to the field of building materials (IPC (International patent medicine) No. E04D 15/06), in particular to a novel environment-friendly weather-resistant PVC waterproof coiled material and a preparation method thereof.
Background
In order to resist the leakage of external rainwater and underground water in building walls, roofs, tunnels, roads, refuse landfills and the like, waterproof rolls are often used. The waterproof coiled material is a first barrier for waterproofing of the whole project, plays a vital role in the whole project, and is mainly provided with an asphalt waterproof coiled material and a high-molecular waterproof coiled material.
At present, domestic high-weather-resistance waterproof coiled materials mainly comprise the following types, wherein the first type is that raw materials are directly modified to improve the weather resistance of the waterproof coiled material; the second type is to improve the weather resistance of the waterproof roll by a shielding method, such as a film-covered waterproof roll.
Patent application CN103088923B discloses a modified waterproof roll, which has strong mechanical properties, good weather resistance, water resistance and leakage resistance, but the anti-aging agent in the raw materials is slowly consumed over time, so the service life of the waterproof roll prepared by the invention is greatly limited. The patent application CN104553185A discloses a modified fluorocarbon film butyl rubber composite waterproof coiled material and a preparation method thereof, the waterproof coiled material prepared by the invention has common durability, but the waterproof coiled material shielded by the fluorocarbon film usually uses glue and various solvents such as polyurethane glue, ethyl acetate, butyl acetate or cyclohexanone, and the volatilization of the solvents in the curing process can cause certain damage to the environment, is not environment-friendly and does not accord with the green development road advocated by the state.
The PVC waterproof coiled material does not need to use any glue or solvent in the production and compounding processes, does not volatilize harmful substances, has the advantages of high weather resistance, environmental protection, energy saving, high efficiency and the like compared with the traditional waterproof coiled material, and simultaneously meets the standard requirements of environment-friendly and resource-saving society of materials and processes.
Disclosure of Invention
In order to solve the problems, the invention provides a novel environment-friendly weather-resistant PVC waterproof coiled material and a preparation method thereof, and relates to the field of building materials (IPC (International patent Classification): E04D 15/06).
As a preferable scheme, the high weather-resistant PVDF layer is 5-50 μm;
as a preferable scheme, the high weather-resistant PVDF layer is 20-35 μm;
preferably, the thickness of the bonding layer is 10-80 μm;
preferably, the thickness of the bonding layer is 40-50 μm;
preferably, the thickness of the soft PVC layer is 50-200 μm;
preferably, the thickness of the soft PVC layer is 100-150 μm;
as a preferable scheme, the high-weather-resistance PVDF at least comprises the following raw materials in parts by weight: 50 to 70 parts of PVDF resin, 10 to 30 parts of filler, 9 to 11 parts of ACR impact modifier, 3 to 10 parts of compatilizer, 0.05 to 5 parts of antioxidant and 0.05 to 5 parts of benzotriazole compound.
As a preferable scheme, the high-weather-resistance PVDF at least comprises the following raw materials in parts by weight: 55 to 60 parts of PVDF resin, 15 to 20 parts of filler, 9 to 11 parts of ACR impact modifier, 4 to 6 parts of compatilizer, 0.5 to 3 parts of antioxidant and 0.5 to 3 parts of benzotriazole compound.
As a preferable mode, the PVDF resin has a melt index of 26.0 to 27.0g/10min,230 ℃ and 5.0kg.
As a preferred scheme, the filler is one or more of nano calcium carbonate, a whisker reinforcing agent and titanium dioxide.
As a preferred embodiment, the filler is titanium dioxide, which is commercially available from Hensman TR-28.
In a preferred embodiment, the benzotriazole compound is purchased from basf UV-P.
As a preferred embodiment, the ACR impact modifier is an ACR (acrylate) type impact modifier of a core-shell structure, purchased from dow 2311.
In a preferred embodiment, the weight ratio of the ACR impact modifier to the PVDF resin is (5-7): 1.
as a preferable embodiment, the weight ratio of the ACR impact modifier to the PVDF resin is 6.
As a preferable scheme, the compatilizer is one or more of ethylene acrylic acid copolymer, ethylene methyl acrylate copolymer, ethylene ethyl acrylate copolymer and ethylene vinyl acetate copolymer.
As a preferred embodiment, the compatibilizer is an ethylene methyl acrylate copolymer.
As a preferred embodiment, the ethylene methyl acrylate copolymer has a melt index of 7.5 to 8.5g/10min, (190 ℃/2.16 kg) and is commercially available, for example, as Dow AC1820, U.S.A.
Preferably, the adhesive layer is a modified material of acrylic resin and methacrylic resin.
As a preferable scheme, the acrylic resin and methacrylic resin modified material at least comprises the following raw materials in parts by weight: 20 to 50 parts of polymethacrylic resin, 50 to 80 parts of acrylic resin, 0.1 to 2 parts of antioxidant, 0.1 to 2 parts of hydrolysis resistance agent and 0.1 to 2 parts of ultraviolet absorbent.
As a preferable scheme, the acrylic resin and methacrylic resin modified material at least comprises the following raw materials in parts by weight: 30 to 40 parts of polymethacrylic resin, 60 to 70 parts of acrylic resin, 0.1 to 2 parts of antioxidant, 0.1 to 2 parts of hydrolysis resistance agent and 0.1 to 2 parts of ultraviolet absorbent.
As a preferable embodiment, the weight average molecular weight of the polymethacrylic resin is 100000-110000; the polymethacrylic resin has a viscosity of 260cp,23 ℃, and is commercially available, for example, LGIF850B in korea.
As a preferred embodiment, the acrylic resin is WSD-1722, available from Westdun adhesive materials liability, inc., changzhou.
In a preferred embodiment, the acrylic resin is present in a weight ratio of 1: (1.5-2).
In a preferred embodiment, the hydrolysis resistance agent is polycarbodiimide UN-03.
In a preferred embodiment, the ultraviolet absorber is a benzophenone compound, which is commercially available from basf UV-531.
The antioxidants in the invention are all the same.
In a preferred embodiment, the antioxidant is a mixture of 1010 and 168.
As a preferable scheme, the weight ratio of the antioxidant 1010 to the antioxidant 168 is (1-2): 1.
as a preferable scheme, the weight ratio of the antioxidant 1010 to the antioxidant 168 is 1:1.
as a preferable scheme, the soft PVC layer at least comprises the following raw materials in parts by weight: 50-80 parts of PVC resin powder, 20-60 parts of plasticizer, 2-6 parts of calcium-zinc composite stabilizer and 5-20 parts of talcum powder.
As a preferable scheme, the soft PVC layer at least comprises the following raw materials in parts by weight: 60-70 parts of PVC resin powder, 30-40 parts of plasticizer, 2-6 parts of calcium-zinc composite stabilizer and 10-15 parts of talcum powder.
As a preferable embodiment, the PVC resin powder is available commercially, for example, DN433 sold by shandonno new material technology ltd.
As a preferred embodiment, the plasticizer is one or more of dioctyl phthalate (DOP), diisodecyl phthalate (DIDP), trioctyl trimellitate (TOTM).
As a preferred embodiment, the plasticizer is dioctyl phthalate, which is commercially available from Shandong reputational chemical Co., ltd.
In a preferred embodiment, the filler is one or more of talc, attapulgite and calcium carbonate.
Preferably, the talc powder has an average particle size of 1700 to 2200 mesh and is purchased from processing plants for carrying mineral products in Guishou county.
The invention provides a preparation method of a novel environment-friendly weather-resistant PVC waterproof coiled material, which mainly comprises the following steps:
(1) Preparing a high weather-resistant PVDF layer and a bonding layer blending layer by tape casting and co-extrusion of tape casting equipment;
(2) The PVC film is formed by single-layer casting through casting equipment to obtain a soft PVC layer;
(3) And (3) hot-pressing the high weather-resistant PVDF layer and the bonding layer blended layer in the step (1) and the soft PVC layer in the step (2) by a film laminating machine at the temperature of 120-160 ℃ to obtain the novel environment-friendly weather-resistant PVC waterproof coiled material by compounding.
Has the advantages that:
1. the invention adopts PVDF resin and ACR impact modifier with the weight ratio of (5-7): 1, the impact resistance and the weather resistance of the high weather-resistant PVDF layer are effectively improved, and the low temperature resistance of the high weather-resistant PVDF layer is also improved.
2. According to the invention, through the synergistic effect of the ethylene methyl acrylate copolymer with the melt index of 7.5-8.5 g/10min and the PVDF resin with the melt index of 26.0-27.0 g/10min, the compatibility in a high weather-resistant PVDF layer system is effectively improved, and meanwhile, the bonding effect of the high weather-resistant PVDF layer and the bonding layer is also improved.
3. The invention limits the weight ratio of the polymethacrylic resin with the weight-average molecular weight of 100000-110000 and the viscosity of 250-270 Cp to the acrylic resin to be 1: (1.5-2), the compatibility of the system is effectively improved, so that the adhesive force of the adhesive layer is improved, and the hardness of the adhesive layer is also improved.
4. The novel environment-friendly weather-resistant PVC waterproof coiled material prepared by the invention adopts a three-layer structure compounded by the high weather-resistant PVDF layer, the bonding layer and the soft PVC, so that the liquid infiltration and the waterproof corner curling are avoided. Meanwhile, the prepared waterproof coiled material also has good low temperature resistance, high temperature resistance and weather resistance.
Drawings
Fig. 1 is a schematic structural diagram of a novel environment-friendly weather-resistant PVC waterproof roll.
In the figure: 1. a highly weatherable PVDF layer; 2. a bonding layer; 3. a soft PVC layer.
Detailed Description
Examples
Example 1
The embodiment 1 of the invention provides a novel environment-friendly weather-resistant PVC waterproof coiled material which comprises a high weather-resistant PVDF layer, a bonding layer and a soft PVC layer.
The highly weatherable PVDF layer in this example was 30 μm;
the thickness of the adhesive layer in this example was 45 μm;
the thickness of the soft PVC layer in this example was 125 μm;
the high weather-resistant PVDF in the embodiment comprises the following raw materials in parts by weight: 60 parts of PVDF resin, 20 parts of filler, 10 parts of ACR impact modifier, 7 parts of compatilizer, 2 parts of antioxidant and 2 parts of UV absorbent.
In this example, PVDF resin having a melt index of 26.4g/10min,230 ℃ and 5.0kg was purchased from HEVER-201 available from milk-derived Co-sunlight fluororesin Co.
In this example, the filler was titanium dioxide, purchased from Hensman TR-28.
The UV absorber described in this example was a benzotriazole-based compound purchased from Pasteur UV-P.
The ACR impact modifier in this example is an ACR (acrylate) type impact modifier of core-shell structure, purchased from dow 2311.
The compatibilizer in this example was an ethylene methyl acrylate copolymer. The ethylene methyl acrylate copolymer had a melt index of 8g/10min, (190 ℃/2.16 kg) and was purchased from Dow AC1820, USA.
The bonding layer in the embodiment is a modified material of acrylic resin and methacrylic resin, and comprises the following raw materials in parts by weight: 30 parts of polymethacrylic resin, 65 parts of acrylic resin, 1 part of antioxidant, 1 part of hydrolysis resistance agent and 1 part of ultraviolet absorbent.
The weight average molecular weight of the polymethacrylic resin in this example was M W 103000; the viscosity of the polymethacrylic resin was 260cp,23 ℃, purchased from LGIF850B of korea.
The acrylic resin in this example was WSD-1722, available from Westdun adhesive materials liability, inc., changzhou.
The hydrolysis resistance agent in this example is polycarbodiimide UN-03, purchased from Yuen chemical Co., ltd, shanghai.
The antioxidants in this embodiment are the same.
In this example, the antioxidant is a mixture of antioxidant 1010 and antioxidant 168.
In this embodiment, the weight ratio of the antioxidant 1010 and the antioxidant 168 is 1:1. both antioxidant 1010 and antioxidant 168 were purchased from basf.
The UV absorber in this example was a benzophenone based compound, purchased from BASF UV-531.
The soft PVC layer in this example comprises the following raw materials in parts by weight: 65 parts of PVC resin powder, 40 parts of plasticizer, 4 parts of calcium-zinc composite stabilizer and 12 parts of talcum powder.
The PVC resin powder in this example was purchased from DN433, sold by Shandong Deno New Material science and technology Co., ltd.
The plasticizer in this example was dioctyl phthalate, purchased from Shandong reputational chemical Co., ltd.
The calcium zinc stabilizer in this example was purchased from commercial ltd of Jinhua city, jinan province.
The talc powder in this example had an average particle size of 2000 mesh and was purchased from a processing plant for mineral products in lingshou county.
The embodiment provides a preparation method of a novel environment-friendly weather-resistant PVC waterproof coiled material, which comprises the following steps:
(1) Preparing a high weather-resistant PVDF layer and a bonding layer blending layer by tape casting and co-extrusion of tape casting equipment;
(2) The PVC film is formed by single-layer casting through casting equipment to obtain a soft PVC layer;
(3) And (3) hot-pressing the high weather-resistant PVDF layer and the bonding layer blended layer in the step (1) and the soft PVC layer in the step (2) by a film laminating machine at the temperature of 140 ℃ to obtain the novel environment-friendly weather-resistant PVC waterproof coiled material by compounding.
Example 2
Example 2 is the same as example 1; in contrast, embodiment 2 provides a novel environment-friendly weather-resistant PVC waterproof roll, which includes a highly weather-resistant PVDF (polyvinylidene fluoride) layer, a tie layer, and a soft PVC (polyvinyl chloride) layer.
The highly weatherable PVDF layer in this example is 50 μm;
the thickness of the adhesive layer in this example was 35 μm;
the thickness of the soft PVC layer in this example is 150 μm;
example 3
Example 3 is the same as example 1; except that the weather-resistant PVDF described in example 3 comprises the following raw materials in parts by weight: 60 parts of PVDF resin, 20 parts of filler, 11 parts of ACR impact modifier, 8 parts of compatilizer, 3 parts of antioxidant and 3 parts of benzotriazole compound.
Example 4
Example 4 the same embodiment as in example 1; except that the adhesive layer in example 3 is modified by acrylic resin and methacrylic resin. The acrylic resin and methacrylic resin modified material comprises the following raw materials in parts by weight: 40 parts of polymethacrylic resin, 70 parts of acrylic resin, 2 parts of antioxidant, 2 parts of hydrolysis resistance agent and 2 parts of ultraviolet absorbent.
Example 5
Example 5 the same embodiment as example 1; in contrast, the soft PVC layer described in example 5 comprises, in parts by weight, the raw materials: 70 parts of PVC resin powder, 40 parts of plasticizer, 6 parts of calcium-zinc composite stabilizer and 15 parts of talcum powder.
And (3) performance testing:
(1) Ultraviolet aging: detection is carried out according to GB/T16422.3-2014.
(2) Water vapor transmission rate: the water vapor transmission rate is tested according to the GB/T21529 standard.
(3) And (3) cold-hot circulation: detection is carried out according to IEC 61215-2-2016. Temperature: -40 to 85 ℃; cycle number: 100.
(4) Surface hardness: detection is carried out according to GB/T6739-2006.
And (3) performance test results:
table 1 shows the results of the performance test of the waterproof rolls prepared in example 1 and comparative example.
TABLE 1
Figure BDA0003443800200000101
Figure BDA0003443800200000111

Claims (10)

1. The utility model provides a novel resistant PVC waterproofing membrane of waiting of environmental protection which characterized in that, includes high resistant time PVDF layer, tie coat and soft PVC layer.
2. The novel environment-friendly weather-resistant PVC waterproof coiled material as claimed in claim 1, wherein the thickness of the high weather-resistant PVDF layer is 5-50 μm; the thickness of the bonding layer is 10-80 μm; the thickness of the soft PVC layer is 50-200 μm.
3. The novel environment-friendly weather-resistant PVC waterproof coiled material as claimed in any one of claims 1-2, wherein the high weather-resistant PVDF layer at least comprises the following raw materials in parts by weight: 50 to 70 parts of PVDF resin, 10 to 30 parts of filler, 9 to 11 parts of ACR impact modifier, 3 to 10 parts of compatilizer, 0.05 to 5 parts of antioxidant and 0.05 to 5 parts of benzotriazole compound.
4. The novel environment-friendly weather-resistant PVC waterproof coiled material as claimed in claim 3, wherein the melt index of the PVDF resin is 26.0-27.0 g/10min,230 ℃ and 5.0kg.
5. The new environmental protection weather resistant PVC waterproof roll material according to any one of claims 1 to 2, characterized in that the bonding layer is acrylic resin and methacrylic resin modified material.
6. The novel environment-friendly weather-resistant PVC waterproof roll material as claimed in claim 5, wherein the acrylic resin and methacrylic resin modified material at least comprises the following raw materials in parts by weight: 30 to 40 portions of polymethacrylic resin, 60 to 70 portions of acrylic resin, 0.1 to 2 portions of antioxidant, 0.1 to 2 portions of hydrolysis resistance agent and 0.1 to 2 portions of ultraviolet absorbent.
7. The novel environment-friendly weather-resistant PVC waterproof coiled material as claimed in claim 6, wherein the weight average molecular weight of the polymethacrylic resin is 100000-110000; the viscosity was 260Cp,23 ℃.
8. The novel environment-friendly weather-resistant PVC waterproof coiled material as claimed in claim 6, wherein the weight ratio of the polymethacrylic resin to the acrylic resin is 1: (1.5-2).
9. The new environmental protection weather resistant PVC waterproof roll according to any one of claims 1 to 2, characterized in that said soft PVC layer comprises at least the following raw materials in parts by weight: 50-80 parts of PVC resin powder, 20-60 parts of plasticizer, 2-6 parts of calcium-zinc composite stabilizer and 5-20 parts of talcum powder.
10. A method for preparing a novel environment-friendly weather-resistant PVC waterproof roll according to any one of claims 1 to 9, characterized in that the method comprises the steps of:
(1) Preparing a high weather-resistant PVDF layer and a bonding layer blending layer by tape casting and co-extrusion of tape casting equipment;
(2) The PVC film is formed by single-layer casting through casting equipment to obtain a soft PVC layer;
(3) And (3) hot-pressing the high weather-resistant PVDF layer and the bonding layer blending layer in the step (1) and the soft PVC layer in the step (2) by a laminating machine at the temperature of 120-160 ℃ to obtain the novel environment-friendly weather-resistant PVC waterproof coiled material by compounding.
CN202111641035.XA 2021-12-29 2021-12-29 Novel environment-friendly weather-resistant PVC waterproof coiled material and preparation method thereof Pending CN115583085A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206124385U (en) * 2016-08-29 2017-04-26 绍兴福膜新材料有限公司 Environmental protection type of nai time high -molecule waterproof roll
CN109291582A (en) * 2018-07-13 2019-02-01 浙江歌瑞新材料有限公司 A kind of high durable resin tile and its manufacturing process
CN110511694A (en) * 2019-08-19 2019-11-29 上海优珀斯材料科技有限公司 A kind of waterproof roll PVDF composite PVC uvioresistant sheet material and preparation method
CN111169128A (en) * 2020-01-19 2020-05-19 嘉兴高正新材料科技股份有限公司 Multi-layer co-extrusion outdoor weather-resistant film

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206124385U (en) * 2016-08-29 2017-04-26 绍兴福膜新材料有限公司 Environmental protection type of nai time high -molecule waterproof roll
CN109291582A (en) * 2018-07-13 2019-02-01 浙江歌瑞新材料有限公司 A kind of high durable resin tile and its manufacturing process
CN110511694A (en) * 2019-08-19 2019-11-29 上海优珀斯材料科技有限公司 A kind of waterproof roll PVDF composite PVC uvioresistant sheet material and preparation method
CN111169128A (en) * 2020-01-19 2020-05-19 嘉兴高正新材料科技股份有限公司 Multi-layer co-extrusion outdoor weather-resistant film

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