CN114193881A - Polymer pre-laid waterproof coiled material and preparation method thereof - Google Patents

Polymer pre-laid waterproof coiled material and preparation method thereof Download PDF

Info

Publication number
CN114193881A
CN114193881A CN202111520504.2A CN202111520504A CN114193881A CN 114193881 A CN114193881 A CN 114193881A CN 202111520504 A CN202111520504 A CN 202111520504A CN 114193881 A CN114193881 A CN 114193881A
Authority
CN
China
Prior art keywords
layer
aging
thermal
oxidative
resin
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.)
Granted
Application number
CN202111520504.2A
Other languages
Chinese (zh)
Other versions
CN114193881B (en
Inventor
雷文君
段镭
漆昌顺
刘思军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan New Sanya Building Material Technology Co ltd
Original Assignee
Sichuan New Sanya Building Material Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sichuan New Sanya Building Material Technology Co ltd filed Critical Sichuan New Sanya Building Material Technology Co ltd
Priority to CN202111520504.2A priority Critical patent/CN114193881B/en
Publication of CN114193881A publication Critical patent/CN114193881A/en
Application granted granted Critical
Publication of CN114193881B publication Critical patent/CN114193881B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • B29L2007/002—Panels; Plates; 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • 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
    • B32B2307/70—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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/016—Additives defined by their aspect ratio
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/068—Ultra high molecular weight polyethylene

Landscapes

  • 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)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a high-molecular pre-paved waterproof roll which is characterized by comprising a thermal-oxidative-aging-resistant waterproof layer, a flexible layer and a fabric reinforcing layer. Simultaneously, the preparation method of the polymer pre-paved waterproof roll comprises the following steps: step 1: adding the HDPE resin, the ultrahigh molecular polyethylene, the crystal whisker, the compatilizer, the lubricating additive and the macromolecular antioxidant master batch into a high-speed mixer, uniformly mixing, and then carrying out melt extrusion granulation by a double-screw extruder to obtain the modified thermoplastic polyolefin material. The ultra-high molecular weight polyethylene and the shape crystal whisker are added in a trace amount in the thermal-oxidative-aging-resistant waterproof layer, so that the molecular chain entanglement density, the crystallinity, the oxygen resistance and the creep resistance of the thermal-oxidative-aging-resistant waterproof layer can be effectively improved; the thermal-oxidative-aging-resistant waterproof layer is prepared by matching a melting mixing process, an extrusion process and a multilayer co-extrusion composite process, so that the thermal deformation resistance and creep resistance of the thermal-oxidative-aging-resistant waterproof layer are effectively improved.

Description

Polymer pre-laid waterproof coiled material and preparation method thereof
Technical Field
The invention belongs to the technical field of pre-paved waterproof coiled materials, and relates to a high-molecular pre-paved waterproof coiled material and a preparation method thereof.
Background
The waterproof materials used in domestic engineering nowadays mainly include organic and inorganic waterproof coatings, asphalt-based waterproof rolls, polymer-modified asphalt waterproof rolls, polymeric waterproof rolls, bentonite waterproof materials, and the like. The asphalt waterproof coiled material has low cost and mature processing technology, but has poor high-low temperature characteristics, poor aging resistance and short service life, needs to be replaced frequently and is only used in occasions with low requirements. The application of the high polymer waterproof coiled material in various projects is the most extensive at present.
However, the long-term high temperature resistance of current polymer waterproofing membrane is still relatively poor, in order to improve polymer waterproofing membrane's long-term high temperature resistance, CN209987487U, CN210127551U, CN205705531U, CN 212684908U's utility model patent has all adopted multilayer waterproof construction, the high temperature resistance characteristic of coiled material has been guaranteed to the principle of application thermal-insulated cooling, but outer waterproof layer's anti long-term thermal oxidation aging resistance is relatively poor, directly lead to whole waterproof structure nature inefficacy, thereby the long-term high temperature resistance of polymer waterproofing membrane has been influenced. Therefore, the high-temperature resistant performance of the waterproof roll of high-molecular material can be improved, and the long-term thermal oxidation aging resistance of the waterproof roll of high-molecular material can be improved, so that the high-temperature resistant performance of the waterproof roll of high-molecular material can meet the 100-year index.
Disclosure of Invention
The invention aims to solve the problems and provides a high-molecular pre-paved waterproof coiled material which can improve the long-term high-temperature resistance of the high-molecular waterproof coiled material and can also improve the long-term thermal-oxidative aging resistance and a preparation method thereof.
The purpose of the invention is realized by the following technical scheme:
a macromolecule pre-paved waterproof coiled material comprises a thermal-oxidative-aging-resistant waterproof layer, a flexible layer and a fabric reinforcing layer arranged between the thermal-oxidative-aging-resistant waterproof layer and the flexible layer; the thermal-oxidative-aging-resistant waterproof layer, the flexible layer and the fabric reinforcing layer are fixed into a whole after being extruded and formed; the thermal-oxidative-aging-resistant waterproof layer is an outer layer of the waterproof roll and comprises the following components: ultrahigh molecular weight polyethylene resin, HDPE resin, crystal whisker, compatilizer, lubricating additive and macromolecular antioxidant master batch;
the thermal-oxidative-aging-resistant waterproof layer comprises the following components in percentage by mass:
the mass percent of the HDPE resin is 60-80%;
the weight percentage of the ultra-high molecular weight polyethylene resin is 5-25%;
the mass percentage of the crystal whisker is 3-8%;
the mass percent of the compatilizer is 3-8%;
the mass percentage of the lubricating additive is 1-5%;
the mass percentage of the macromolecular antioxidant master batch is 2-5%.
As a further aspect of the present invention, the HDPE resin is a PE100N grade high density polyethylene; the ultra-high molecular weight polyethylene is unbranched linear polyethylene with the molecular weight more than 150 ten thousand; the crystal whisker is CaCO with the diameter of 0.5-5 mu m and the length-diameter ratio of 15-353Whiskers, CaSO4One or more of whisker, silicon calcium magnesium whisker, magnesium salt whisker, potassium titanate whisker and wollastonite; the compatilizer is one or a mixture of more of HDPE-g-MAH, LLDPE-g-MAH, ethylene-methacrylate copolymer and SEBS-g-MAH; the lubricating auxiliary agent is one or a mixture of more of PE wax, alkyl silicone oil and zinc stearate; the macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
As a further scheme of the invention, the fabric reinforcing layer is a middle layer of the waterproof coiled material, and the thickness of the fabric reinforcing layer is 0.3-0.5 mm; the fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting; the fiber diameter of the basalt fiber cloth is less than 5 mu m.
As a further scheme of the invention, the hot-melt welding resin is one or a mixture of HDPE-g-MAH, LLDPE-g-MAH and EVA-g-MAH.
As a further scheme of the invention, the flexible layer is an inner layer of the waterproof roll; the flexible layer comprises the following components: low-density polyethylene resin, rubber elastomer, vulcanizing agent, vulcanization accelerator, compatilizer and antioxidant;
the flexible layer comprises the following components in percentage by mass:
the mass percent of the low-density polyethylene resin is 40-70%;
the mass percentage of the rubber elastomer is 20-50%;
the mass percent of the vulcanizing agent is 0.03-0.3%;
the mass percent of the vulcanization accelerator is 0.03-0.5%;
the mass percent of the compatilizer is 3-10%;
the mass percentage of the antioxidant is 0.3-0.8%.
As a further scheme of the invention, the low-density polyethylene resin is one or a mixture of more of high-pressure polyethylene, linear low-density polyethylene and metallocene polyethylene;
as a further scheme of the invention, the rubber elastomer is one or a mixture of more of ethylene propylene diene monomer, SBS, SEBS and butyl rubber; the vulcanizing agent is one or a mixture of more of sulfur, DCP, an accelerant TMTD, a quinone oxime compound, a polysulfide polymer, urethane and a maleimide derivative.
As a further scheme of the invention, the compatilizer is one or a mixture of more of LLDPE-g-MAH, ethylene-methacrylate copolymer, SEBS-g-MAH and EVA-g-MAH; the antioxidant is one or a mixture of an antioxidant 1010, an antioxidant 168 and organic silicone oil.
A preparation method of a macromolecule pre-paved waterproof coiled material comprises the following steps:
step 1: adding HDPE resin, ultrahigh molecular polyethylene, crystal whiskers, a compatilizer, a lubricating aid and macromolecular antioxidant master batches into a high-speed mixer, uniformly mixing, and then carrying out melt extrusion through a double-screw extruder to obtain a modified thermoplastic polyolefin material;
step 2: extruding and hot-pressing basalt fiber cloth and hot-melt welding resin by a sheet film laminating machine to form a fabric reinforcing layer with the thickness of 0.3-0.5 mm;
and step 3: adding the low-density polyethylene resin, the rubber elastomer, the vulcanizing agent, the vulcanization accelerator and the compatilizer into a mixer, uniformly mixing, introducing into a double-screw extruder with thread combination, adding the antioxidant into a third charging barrel of the double-screw extruder in a side feeding manner, and performing melt extrusion to obtain a modified low-density polyethylene alloy material;
and 4, step 4: adding the obtained modified thermoplastic polyolefin material into a sheet extruder, simultaneously adding the modified low-density polyethylene alloy material into another sheet extruder, and enabling the two sheet extruders to form a double-die head and discharge simultaneously;
and 5: simultaneously starting the two sheet extruders in the step 4, and conveying the fabric reinforcing layer obtained in the step 2 into a position between discharge ports of the two sheet extruders through expelling and rolling, and finally obtaining the high-molecular pre-paved waterproof roll material which can be used under the long-term high-temperature condition after the fabric reinforcing layer and the extrusion layers of the two sheet extruders are formed through tabletting;
and 4, the discharge hole of the sheet extruder added with the modified thermoplastic polyolefin material in the step 4 is positioned above the discharge hole of the sheet extruder added with the modified low-density polyethylene alloy material, the extrusion layer of the sheet extruder added with the modified thermoplastic polyolefin material is a thermal-oxidative-aging-resistant waterproof layer, and the extrusion layer of the sheet extruder added with the modified low-density polyethylene alloy material is a flexible layer.
In addition, the melt extrusion temperature of the twin-screw extruder in the step 1 is 210-230 ℃. The extrusion temperature of the twin-screw extruder in the step 3 is 160-210 ℃.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the ultra-high molecular weight polyethylene and the whiskers are added in a trace amount in the thermal-oxidative-aging-resistant waterproof layer, so that the molecular chain entanglement density, the crystallinity, the oxygen resistance and the creep resistance of the thermal-oxidative-aging-resistant waterproof layer can be effectively improved, meanwhile, the thermal deformation resistance and the creep resistance of the thermal-oxidative-aging-resistant waterproof layer are effectively improved by matching a melting mixing process, an extrusion process and a multilayer co-extrusion composite process during preparation of the thermal-oxidative-aging-resistant waterproof layer, and meanwhile, the fabric reinforcing layer and the flexible layer which are matched with the thermal-oxidative-aging-resistant waterproof layer are arranged, so that the long-term high temperature resistance and the long-term thermal oxidative aging resistance of the high-molecular pre-paved waterproof roll can be better improved.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
The invention relates to a high-molecular pre-paved waterproof roll, which comprises a thermal-oxidative-aging-resistant waterproof layer, a flexible layer and a fabric reinforcing layer arranged between the thermal-oxidative-aging-resistant waterproof layer and the flexible layer. Wherein, the thermal-oxidative-aging-resistant waterproof layer, the flexible layer and the fabric reinforcing layer are fixed into a whole after being extruded and formed. The thermal-oxidative-aging-resistant waterproof layer is the outer layer of the waterproof roll and comprises the following components: ultrahigh molecular weight polyethylene resin, HDPE resin, crystal whisker, compatilizer, lubricating additive and macromolecular antioxidant master batch.
Further, the thermal-oxidative-aging-resistant waterproof layer comprises the following components in percentage by mass:
the HDPE resin accounts for 65 percent by mass, and is PE100N grade high-density polyethylene.
The mass percentage of the ultra-high molecular weight polyethylene resin is 20 percent. The molecular weight of the ultra-high molecular weight polyethylene is greater than 150 million, and the molecular weight of the ultra-high molecular weight polyethylene in this embodiment is preferably 160 unbranched linear polyethylene, and the molecular weight of the ultra-high molecular weight polyethylene can be adjusted according to the actual use requirement.
The mass percentage of the crystal whisker is 5 percent. In this example, the whiskers are preferably implemented by using Si-Ca-Mg whiskers with a diameter of 0.5 μm and a major diameter of 15. mu.m.
The mass percentage of the compatilizer is 5%. The compatibilizer in this example is preferably implemented using HDPE-g-MAH.
The mass percentage of the lubricating additive is 1 percent. The lubricating assistant is zinc stearate.
The mass percentage of the macromolecular antioxidant master batch is 4 percent. The macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
When the waterproof layer is used, the ultrahigh molecular weight polyethylene and the columnar whiskers which are added in a trace manner in the waterproof layer resisting thermal oxygen aging can effectively improve the molecular chain entanglement density, the crystallinity, the oxygen resistance and the creep resistance of the waterproof layer resisting thermal oxygen aging. The thermal-oxidative-aging-resistant waterproof layer is prepared by matching a melting mixing process, an extrusion process and an addition process, so that the thermal deformation resistance and creep resistance of the thermal-oxidative-aging-resistant waterproof layer are effectively improved.
Further, the fabric reinforcing layer is a middle layer of the waterproof roll, and the thickness of the fabric reinforcing layer is 0.3 mm. The fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting. The fiber diameter of the basalt fiber cloth is less than 5 μm, and the basalt fiber cloth with the fiber diameter of 4.8 μm is preferably adopted in the embodiment. Wherein the hot-melt welding resin is HDPE-g-MAH.
Still further, the flexible layer is the inlayer of waterproofing membrane. The flexible layer comprises the following components: low-density polyethylene resin, rubber elastomer, vulcanizing agent, vulcanization accelerator, compatilizer and antioxidant.
The flexible layer comprises the following components in percentage by mass:
the mass percentage of the low-density polyethylene resin is 50%. The low density polyethylene resin is high pressure polyethylene.
The mass percentage of the rubber elastomer is 44%. The rubber elastomer is ethylene propylene diene monomer.
The vulcanizing agent accounts for 0.05 percent by mass. The vulcanizing agent is a mixture of sulfur and DCP. The mass percent of the vulcanization accelerator is 0.05%. Vulcanization accelerator the vulcanization accelerator M is preferably used in this embodiment.
The mass percentage of the compatilizer is 5.4%. The compatilizer is LLDPE-g-MAH.
The mass percent of the antioxidant is 0.5%. The antioxidant is antioxidant 168.
The preparation method of the polymer pre-paved waterproof roll in the embodiment comprises the following steps:
step 1: the HDPE resin, the ultrahigh molecular polyethylene, the crystal whisker, the compatilizer, the lubricating additive and the macromolecular antioxidant master batch are added into a high-speed mixer to be uniformly mixed, and then are subjected to melt extrusion granulation by a double-screw extruder to obtain the modified thermoplastic polyolefin material. Wherein the melt extrusion temperature of the double-screw extruder is 210-230 ℃, and the specific melt extrusion temperature is determined according to actual needs.
Step 2: and extruding and hot-pressing the basalt fiber cloth and the hot-melt welding resin by a sheet laminating machine to form a fabric reinforcing layer with the thickness of 0.3-0.5 mm.
And step 3: adding the low-density polyethylene resin, the rubber elastomer, the vulcanizing agent, the vulcanization accelerator and the compatilizer into a mixer, uniformly mixing, introducing into a double-screw extruder with thread combination, adding the antioxidant into a third charging barrel of the double-screw extruder in a side feeding manner, and performing melt extrusion to obtain a modified low-density polyethylene alloy material;
and 4, step 4: adding the obtained modified thermoplastic polyolefin material into a sheet extruder, simultaneously adding the modified low-density polyethylene alloy material into another sheet extruder, and enabling the two sheet extruders to form a double-die head and discharge simultaneously. The discharge port of the sheet extruder added with the modified thermoplastic polyolefin material is positioned above the discharge port of the sheet extruder added with the modified low-density polyethylene alloy material, the extrusion layer of the sheet extruder added with the modified thermoplastic polyolefin material is a thermal-oxidative-aging-resistant waterproof layer, and the extrusion layer of the sheet extruder added with the modified low-density polyethylene alloy material is a flexible layer.
And 5: simultaneously starting the two sheet extruders in the step 4, and conveying the fabric reinforcing layer obtained in the step 2 into a position between discharge ports of the two sheet extruders through expelling and rolling, and finally obtaining the high-molecular pre-paved waterproof roll material which can be used under the long-term high-temperature condition after the fabric reinforcing layer and the extrusion layers of the two sheet extruders are formed through tabletting;
in specific implementation, the twin-screw extruder used in the present embodiment is a conventional twin-screw extruder having three or more barrels. Meanwhile, the sheet extruder in this embodiment is an existing conventional sheet extruder, and therefore, the structures of the twin-screw extruder and the sheet extruder are not described in detail in this specification.
Example 2
This example is basically the same as example 1, except for the following points:
the heat-resistant and oxygen-aging-resistant waterproof layer comprises the following components in percentage by mass:
the mass percent of the HDPE resin is 58%.
The mass percent of the ultra-high molecular weight polyethylene resin is 25%. The ultra-high molecular weight polyethylene in this embodiment is preferably a linear polyethylene having a molecular weight of 165 without branches, and the molecular weight of the ultra-high molecular weight polyethylene can be adjusted according to the use requirement in actual use.
The mass percentage of the crystal whisker is 8 percent. CaCO having a diameter of 1 μm and a major axis of 20 μm is preferably used as the whisker in this example3A whisker.
The mass percentage of the compatilizer is 3%. The compatibilizer in this example is preferably realized using an ethylene-methacrylate copolymer.
The mass percentage of the lubricating additive is 1 percent. The lubricating assistant is PE wax.
The mass percentage of the macromolecular antioxidant master batch is 5 percent. The macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
Further, the fabric reinforcing layer is a middle layer of the waterproof roll, and the thickness of the fabric reinforcing layer is 0.5 mm. The fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting. The fiber diameter of the basalt fiber cloth is less than 5 μm, and the basalt fiber cloth with the fiber diameter of 4 μm is preferably adopted in the embodiment. Wherein the hot-melt welding resin is LLDPE-g-MAH.
Still further, the flexible layer comprises the following components in percentage by mass:
the low-density polyethylene resin was 70% by mass. The low density polyethylene resin is linear low density polyethylene.
The mass percentage of the rubber elastomer is 26%. The rubber elastomer is SBS.
The mass percent of the vulcanizing agent is 0.03 percent. The vulcanizing agent is an accelerant TMTD.
The mass percent of the vulcanization accelerator is 0.03%.
The mass percentage of the compatilizer is 3.14%. The compatilizer is ethylene-methacrylate copolymer.
The mass percent of the antioxidant is 0.8%. The antioxidant is antioxidant 1010.
The method for preparing the polymer pre-laid waterproof roll in this example is the same as the method for preparing the polymer pre-laid waterproof roll in example 1.
Example 3
This example is basically the same as example 1, except for the following points:
the heat-resistant and oxygen-aging-resistant waterproof layer comprises the following components in percentage by mass:
the mass percentage of the HDPE resin is 80%.
The mass percent of the ultra-high molecular weight polyethylene resin is 8%. The ultra-high molecular weight polyethylene in this embodiment is preferably linear polyethylene having a molecular weight of 170 without a branch, and the molecular weight of the ultra-high molecular weight polyethylene can be adjusted according to the use requirement in actual use.
The mass percentage of the crystal whisker is 3 percent. CaSO with a diameter of 1.5 μm and a major axis of 22. mu.m is preferably used for the whiskers in this example4A whisker.
The mass percentage of the compatilizer is 3%. The compatibilizer in this example is preferably implemented using LLDPE-g-MAH.
The mass percentage of the lubricating additive is 1 percent. The lubricating assistant is alkyl silicone oil.
The mass percentage of the macromolecular antioxidant master batch is 5 percent. The macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
Further, the fabric reinforcing layer is a middle layer of the waterproof roll, and the thickness of the fabric reinforcing layer is 0.5 mm. The fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting. The fiber diameter of the basalt fiber cloth is less than 5 μm, and the basalt fiber cloth with the fiber diameter of 4.5 μm is preferably adopted in the embodiment. Wherein the hot-melt welding resin is LLDPE-g-MAH.
Still further, the flexible layer comprises the following components in percentage by mass:
the low-density polyethylene resin was 70% by mass. The low density polyethylene resin is metallocene polyethylene.
The mass percentage of the rubber elastomer is 21.14%. The rubber elastomer is SEBS.
The mass percent of the vulcanizing agent is 0.03 percent. The vulcanizing agent is a quinone oxime compound.
The mass percent of the vulcanization accelerator is 0.03%.
The mass percent of the compatilizer is 8%. The compatilizer is SEBS-g-MAH.
The mass percent of the antioxidant is 0.8%. The antioxidant is organic silicone oil.
The method for preparing the polymer pre-laid waterproof roll in this example is the same as the method for preparing the polymer pre-laid waterproof roll in example 1.
Example 4
This example is basically the same as example 1, except for the following points:
the heat-resistant and oxygen-aging-resistant waterproof layer comprises the following components in percentage by mass:
the mass percent of the HDPE resin is 60%.
The mass percent of the ultra-high molecular weight polyethylene resin is 25%. The ultra-high molecular weight polyethylene in this embodiment is preferably linear polyethylene having a molecular weight of 176 unbranched, and the molecular weight of the ultra-high molecular weight polyethylene can be adjusted according to the use requirement in actual use.
The mass percentage of the crystal whisker is 5 percent. In this example, the whiskers are preferably formed by magnesium salt whiskers having a diameter of 1.5 μm and a major axis of 22. mu.m.
The mass percentage of the compatilizer is 4%. The compatilizer in the embodiment is preferably realized by SEBS-g-MAH 4.
The mass percentage of the lubricating additive is 1 percent. The lubricating assistant is a mixture of PE wax and alkyl silicone oil. The mass percentage of the macromolecular antioxidant master batch is 5 percent. The macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
Further, the fabric reinforcing layer is a middle layer of the waterproof roll, and the thickness of the fabric reinforcing layer is 0.5 mm. The fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting. The fiber diameter of the basalt fiber cloth is less than 5 μm, and the basalt fiber cloth with the fiber diameter of 3.5 μm is preferably adopted in the embodiment. Wherein the hot-melt welding resin is EVA-g-MAH.
Still further, the flexible layer comprises the following components in percentage by mass:
the low-density polyethylene resin was 40.57% by mass. The low density polyethylene resin is a mixture of high pressure polyethylene and linear low density polyethylene.
The mass percentage of the rubber elastomer is 50%. The rubber elastomer is butyl rubber.
The vulcanizing agent accounts for 0.08 percent by mass. The vulcanizing agent is ethyl carbamate.
The mass percent of the vulcanization accelerator is 0.05%.
The mass percentage of the compatilizer is 9%. The compatilizer is EVA-g-MAH.
The mass percent of the antioxidant is 0.3%. The antioxidant is a mixture of organic silicone oil and antioxidant 1010. The method for preparing the polymer pre-laid waterproof roll in this example is the same as the method for preparing the polymer pre-laid waterproof roll in example 1.
Example 5
This example is basically the same as example 1, except for the following points:
the heat-resistant and oxygen-aging-resistant waterproof layer comprises the following components in percentage by mass:
the mass percentage of the HDPE resin was 70%.
The weight percentage of the ultra-high molecular weight polyethylene resin is 10 percent. The ultra-high molecular weight polyethylene in this embodiment is preferably linear polyethylene having a molecular weight of 171 without a branch, and the molecular weight of the ultra-high molecular weight polyethylene can be adjusted according to the use requirement in actual use.
The mass percentage of the crystal whisker is 6 percent. CaCO with a diameter of 1.8 μm and a long diameter of 23 μm is preferably used as the whisker in this example3Whisker and silicon calcium magnesium whisker and wollastonite.
The mass percent of the compatilizer is 8%. The compatibilizer in this example is preferably implemented using a blend of HDPE-g-MAH and ethylene methacrylate copolymer and SEBS-g-MAH 4.
The mass percentage of the lubricating additive is 1 percent. The lubricating assistant is a mixture of PE wax, alkyl silicone oil and zinc stearate.
The mass percentage of the macromolecular antioxidant master batch is 5 percent. The macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
Further, the fabric reinforcing layer is a middle layer of the waterproof roll, and the thickness of the fabric reinforcing layer is 0.5 mm. The fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting. The fiber diameter of the basalt fiber cloth is less than 5 μm, and the basalt fiber cloth with the fiber diameter of 2.8 μm is preferably adopted in the embodiment. Wherein the hot-melt welding resin is a mixture of HDPE-g-MAH and LLDPE-g-MAH 3.
Still further, the flexible layer comprises the following components in percentage by mass:
the mass percentage of the low-density polyethylene resin was 64%. The low density polyethylene resin is a mixture of high pressure polyethylene, linear low density polyethylene and metallocene polyethylene.
The mass percentage of the rubber elastomer is 30%. The rubber elastomer is a mixture of ethylene propylene diene monomer and SBS 2.
The vulcanizing agent accounts for 0.3 percent by mass. The vulcanizing agent is a mixture of sulfur, DCP and maleimide derivatives.
The mass percentage of the vulcanization accelerator is 0.3%.
The mass percentage of the compatilizer is 5%. The compatilizer is a mixture of LLDPE-g-MAH1 and ethylene-methacrylate copolymer.
The mass percent of the antioxidant is 0.4%. The antioxidant is a mixture of organic silicone oil, antioxidant 1010 and antioxidant 168.
The method for preparing the polymer pre-laid waterproof roll in this example is the same as the method for preparing the polymer pre-laid waterproof roll in example 1.
The invention respectively tests the tensile property, the heat treatment size change rate, the low-temperature bending property, the antistatic load, the water impermeability, the right-angle tearing strength, the water absorption rate and other properties of the polymer pre-paved waterproof coiled material prepared in the examples 1 to 5 and the existing polymer waterproof coiled material, and various indexes of thermal aging, chemical resistance and artificial climate accelerated aging according to GB/T23457-2017, GB 18173.1-2012 and GB/T328-2007 sample preparation and detection methods. The conventional high-polymer waterproof roll collected in the test consists of HDPE resin, linear polyethylene (7042), antioxidant master batches, white master batches and filling master batches.
The test results are shown in the following table 1:
Figure BDA0003407147400000111
Figure BDA0003407147400000121
TABLE 1
As can be seen from table 1, compared with the polymer waterproof roll of the prior art, the polymer waterproof roll of the present invention prepared in examples 1 to 1 is superior to the polymer waterproof roll of the prior art in terms of tensile properties, thermal treatment dimensional change rate, low temperature bending properties, antistatic load, water impermeability, right angle tear strength, water absorption, and other properties, and various indexes of thermal aging, chemical resistance, and artificial climate accelerated aging.
Meanwhile, the ultra-high molecular weight polyethylene and the whiskers which are added in a trace amount in the thermal-oxidative-aging-resistant waterproof layer can be obtained from the test result, and when the components and the mass percentage are changed, the tensile property, the heat treatment size change rate, the low-temperature bending property, the antistatic load, the impermeability, the right-angle tearing strength, the water absorption rate and other properties, and various indexes of thermal aging, chemical resistance and artificial climate accelerated aging can be changed. The method fully shows that the molecular chain entanglement density, the crystallinity, the oxygen resistance and the creep resistance of the thermal-oxidative-aging-resistant waterproof layer can be effectively improved by adding the ultra-high molecular weight polyethylene and the whisker in a trace manner into the thermal-oxidative-aging-resistant waterproof layer. The thermal-oxidative-aging-resistant waterproof layer is prepared by matching a melting mixing process, an extrusion process and a multilayer co-extrusion composite process, so that the thermal deformation resistance and creep resistance of the thermal-oxidative-aging-resistant waterproof layer are effectively improved, and meanwhile, a fabric reinforcing layer and a flexible layer which are matched with the thermal-oxidative-aging-resistant waterproof layer are arranged, so that the long-term high-temperature resistance and the long-term thermal oxidative aging resistance of the high-molecular pre-laid waterproof roll can be better improved.
As described above, the present invention can be preferably realized.

Claims (10)

1. A macromolecule pre-paved waterproof coiled material is characterized by comprising a thermal-oxidative-aging-resistant waterproof layer, a flexible layer and a fabric reinforcing layer arranged between the thermal-oxidative-aging-resistant waterproof layer and the flexible layer; the thermal-oxidative-aging-resistant waterproof layer, the flexible layer and the fabric reinforcing layer are fixed into a whole after being extruded and formed; the thermal-oxidative-aging-resistant waterproof layer is an outer layer of the waterproof roll and comprises the following components: ultrahigh molecular weight polyethylene resin, HDPE resin, crystal whisker, compatilizer, lubricating additive and macromolecular antioxidant master batch;
the thermal-oxidative-aging-resistant waterproof layer comprises the following components in percentage by mass:
the mass percent of the HDPE resin is 60-80%;
the weight percentage of the ultra-high molecular weight polyethylene resin is 5-25%;
the mass percentage of the crystal whisker is 3-8%;
the mass percent of the compatilizer is 3-8%;
the mass percentage of the lubricating additive is 1-5%;
the mass percentage of the macromolecular antioxidant master batch is 2-5%.
2. The roll of pre-spread polymer waterproof material as claimed in claim 1, wherein the HDPE resin is PE100N grade high density polyethylene; the ultra-high molecular weight polyethylene is unbranched linear polyethylene with the molecular weight more than 150 ten thousand; the crystal whisker is CaCO with the diameter of 0.5-5 mu m and the length-diameter ratio of 15-353Whiskers, CaSO4One or more of whisker, silicon calcium magnesium whisker, magnesium salt whisker, potassium titanate whisker and wollastonite; the compatilizer is one or a mixture of more of HDPE-g-MAH, LLDPE-g-MAH, ethylene-methacrylate copolymer and SEBS-g-MAH; the lubricating auxiliary agent is one or a mixture of more of PE wax, alkyl silicone oil and zinc stearate; the macromolecular antioxidant master batch is formed by grafting an antioxidant onto PE resin.
3. The polymer pre-spread waterproof roll according to claim 1, wherein the fabric reinforcing layer is a middle layer of the waterproof roll, and the thickness of the fabric reinforcing layer is 0.3-0.5 mm; the fabric reinforcing layer comprises basalt fiber cloth and hot-melt welding resin which is attached to the basalt fiber cloth after hot melting; the fiber diameter of the basalt fiber cloth is less than 5 mu m.
4. The roll of pre-spread waterproof polymer material as claimed in claim 3, wherein the heat-fusible welding resin is one or more of HDPE-g-MAH, LLDPE-g-MAH, EVA-g-MAH.
5. The polymer pre-paved waterproof roll according to claim 1, wherein the flexible layer is an inner layer of the waterproof roll; the flexible layer comprises the following components: low-density polyethylene resin, rubber elastomer, vulcanizing agent, vulcanization accelerator, compatilizer and antioxidant;
the flexible layer comprises the following components in percentage by mass:
the mass percent of the low-density polyethylene resin is 40-70%;
the mass percentage of the rubber elastomer is 20-50%;
the mass percent of the vulcanizing agent is 0.03-0.3%;
the mass percent of the vulcanization accelerator is 0.03-0.5%;
the mass percent of the compatilizer is 3-10%;
the mass percentage of the antioxidant is 0.3-0.8%.
6. The roll of high polymer pre-paved waterproofing membrane according to claim 5, wherein the low density polyethylene resin is one or a mixture of high pressure polyethylene, linear low density polyethylene, metallocene polyethylene;
7. the polymer pre-paved waterproof roll material as claimed in claim 5, wherein the rubber elastomer is one or more of ethylene propylene diene monomer, SBS, SEBS and butyl rubber; the vulcanizing agent is one or a mixture of more of sulfur, DCP, an accelerant TMTD, a quinone oxime compound, a polysulfide polymer, urethane and a maleimide derivative.
8. The high-molecular pre-paved waterproof roll as claimed in claim 5, wherein the compatilizer is one or a mixture of LLDPE-g-MAH, ethylene-methacrylate copolymer, SEBS-g-MAH and EVA-g-MAH; the antioxidant is one or a mixture of an antioxidant 1010, an antioxidant 168 and organic silicone oil.
9. A preparation method of the polymer pre-paved waterproof roll material as claimed in any one of claims 1 to 8, which is characterized by comprising the following steps:
step 1: adding HDPE resin, ultrahigh molecular polyethylene, crystal whiskers, a compatilizer, a lubricating aid and macromolecular antioxidant master batches into a high-speed mixer, uniformly mixing, and then carrying out melt extrusion through a double-screw extruder to obtain a modified thermoplastic polyolefin material;
step 2: extruding and hot-pressing basalt fiber cloth and hot-melt welding resin by a sheet film laminating machine to form a fabric reinforcing layer with the thickness of 0.3-0.5 mm;
and step 3: adding the low-density polyethylene resin, the rubber elastomer, the vulcanizing agent, the vulcanization accelerator and the compatilizer into a mixer, uniformly mixing, introducing into a double-screw extruder with thread combination, adding the antioxidant into a third charging barrel of the double-screw extruder in a side feeding manner, and performing melt extrusion to obtain a modified low-density polyethylene alloy material;
and 4, step 4: adding the obtained modified thermoplastic polyolefin material into a sheet extruder, simultaneously adding the modified low-density polyethylene alloy material into another sheet extruder, and enabling the two sheet extruders to form a double-die head and discharge simultaneously;
and 5: simultaneously starting the two sheet extruders in the step 4, and conveying the fabric reinforcing layer obtained in the step 2 into a position between discharge ports of the two sheet extruders through expelling and rolling, and finally obtaining the high-molecular pre-paved waterproof roll material which can be used under the long-term high-temperature condition after the fabric reinforcing layer and the extrusion layers of the two sheet extruders are formed through tabletting;
and 4, the discharge hole of the sheet extruder added with the modified thermoplastic polyolefin material in the step 4 is positioned above the discharge hole of the sheet extruder added with the modified low-density polyethylene alloy material, the extrusion layer of the sheet extruder added with the modified thermoplastic polyolefin material is a thermal-oxidative-aging-resistant waterproof layer, and the extrusion layer of the sheet extruder added with the modified low-density polyethylene alloy material is a flexible layer.
10. The polymer pre-paved waterproof roll as claimed in claim 5, wherein the melt extrusion temperature of the twin-screw extruder in step 1 is 210-230 ℃; the extrusion temperature of the twin-screw extruder in the step 3 is 160-210 ℃.
CN202111520504.2A 2021-12-13 2021-12-13 Polymer pre-laid waterproof coiled material and preparation method thereof Active CN114193881B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111520504.2A CN114193881B (en) 2021-12-13 2021-12-13 Polymer pre-laid waterproof coiled material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111520504.2A CN114193881B (en) 2021-12-13 2021-12-13 Polymer pre-laid waterproof coiled material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN114193881A true CN114193881A (en) 2022-03-18
CN114193881B CN114193881B (en) 2024-04-19

Family

ID=80653131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111520504.2A Active CN114193881B (en) 2021-12-13 2021-12-13 Polymer pre-laid waterproof coiled material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114193881B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114953679A (en) * 2022-06-09 2022-08-30 四川新三亚建材科技股份有限公司 High-molecular composite waterproof coiled material for building roof and preparation method thereof
CN114957844A (en) * 2022-05-06 2022-08-30 北京东方雨虹防水技术股份有限公司 Resin master batch for modified flexible thermoplastic polyolefin waterproof roll, preparation method of resin master batch and waterproof roll prepared by using resin master batch

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059809A (en) * 1991-07-02 1993-01-19 Daiwabo Create Kk Hot-melt conjugate and fiber aggregate
JP2003191411A (en) * 2001-12-28 2003-07-08 Tohcello Co Ltd Heat fusion weldable laminated film and its use
KR20040050392A (en) * 2002-12-10 2004-06-16 호남석유화학 주식회사 Multilayer combination type water proof sheet and process for preparing the same
CN104589757A (en) * 2015-01-26 2015-05-06 岳阳东方雨虹防水技术有限责任公司 TPO composite thermoplastic macromolecular water-proof coiled material and production process thereof
KR101551348B1 (en) * 2015-03-27 2015-09-09 (주)부성텍스텍 Fiber Coating Agents, Coated Fibers with the fiber coating agents, Textiles from the coating fibers, and Method for manufacturing the textiles by the coating fiber therefor
WO2017066990A1 (en) * 2015-10-23 2017-04-27 北京东方雨虹防水技术股份有限公司 Single-layer roof waterproof coiled material and preparation method therefor
CN109111616A (en) * 2018-05-31 2019-01-01 广东联塑科技实业有限公司 A kind of HDPE composite and its preparation method and application of superhigh molecular weight polyethylene material enhancing
CN109130400A (en) * 2018-08-06 2019-01-04 合肥中通防水工程有限公司 A kind of HDPE Macromolecular self-adhesive membrane waterproof roll and its manufacturing process
CN110820810A (en) * 2019-12-04 2020-02-21 胜利油田大明新型建筑防水材料有限责任公司 Thermoplastic polyolefin pre-laid waterproof coiled material and preparation method thereof
CN111187460A (en) * 2019-12-30 2020-05-22 上海普利特复合材料股份有限公司 High-orientation and good-heat-aging-performance polyethylene composite material for hard pipes and preparation method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059809A (en) * 1991-07-02 1993-01-19 Daiwabo Create Kk Hot-melt conjugate and fiber aggregate
JP2003191411A (en) * 2001-12-28 2003-07-08 Tohcello Co Ltd Heat fusion weldable laminated film and its use
KR20040050392A (en) * 2002-12-10 2004-06-16 호남석유화학 주식회사 Multilayer combination type water proof sheet and process for preparing the same
CN104589757A (en) * 2015-01-26 2015-05-06 岳阳东方雨虹防水技术有限责任公司 TPO composite thermoplastic macromolecular water-proof coiled material and production process thereof
KR101551348B1 (en) * 2015-03-27 2015-09-09 (주)부성텍스텍 Fiber Coating Agents, Coated Fibers with the fiber coating agents, Textiles from the coating fibers, and Method for manufacturing the textiles by the coating fiber therefor
WO2017066990A1 (en) * 2015-10-23 2017-04-27 北京东方雨虹防水技术股份有限公司 Single-layer roof waterproof coiled material and preparation method therefor
CN109111616A (en) * 2018-05-31 2019-01-01 广东联塑科技实业有限公司 A kind of HDPE composite and its preparation method and application of superhigh molecular weight polyethylene material enhancing
CN109130400A (en) * 2018-08-06 2019-01-04 合肥中通防水工程有限公司 A kind of HDPE Macromolecular self-adhesive membrane waterproof roll and its manufacturing process
CN110820810A (en) * 2019-12-04 2020-02-21 胜利油田大明新型建筑防水材料有限责任公司 Thermoplastic polyolefin pre-laid waterproof coiled material and preparation method thereof
CN111187460A (en) * 2019-12-30 2020-05-22 上海普利特复合材料股份有限公司 High-orientation and good-heat-aging-performance polyethylene composite material for hard pipes and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114957844A (en) * 2022-05-06 2022-08-30 北京东方雨虹防水技术股份有限公司 Resin master batch for modified flexible thermoplastic polyolefin waterproof roll, preparation method of resin master batch and waterproof roll prepared by using resin master batch
CN114957844B (en) * 2022-05-06 2023-12-19 北京东方雨虹防水技术股份有限公司 Resin master batch for modified flexible thermoplastic polyolefin waterproof coiled material, preparation method thereof and waterproof coiled material prepared by using resin master batch
CN114953679A (en) * 2022-06-09 2022-08-30 四川新三亚建材科技股份有限公司 High-molecular composite waterproof coiled material for building roof and preparation method thereof

Also Published As

Publication number Publication date
CN114193881B (en) 2024-04-19

Similar Documents

Publication Publication Date Title
Ronca Polyethylene
CN114193881B (en) Polymer pre-laid waterproof coiled material and preparation method thereof
CN107868630B (en) Adhesive resin with barrier function and preparation method thereof
CN109130400B (en) HDPE (high-density polyethylene) high-molecular self-adhesive film waterproof roll and manufacturing process thereof
CN109456563B (en) Special material for UHMWPE alloy compatibilization toughening modified polypropylene corrugated pipe and preparation method thereof
CN112029185B (en) High-strength and puncture-resistant geomembrane and preparation method and application thereof
CN109422969B (en) High-gas-barrier thermoplastic vulcanized rubber based on EVOH and preparation method thereof
EP0429504B1 (en) Moulding material made from elastomeric polyolefin rubbers, polyethylenes and/or ethylene copolymers and additives, and its use for elastic damp-proof courses
DE19649907A1 (en) Multi-layer molded polymer composition and process for its manufacture
US20120065334A1 (en) Polymeric blends for slit film applications and methods of making the same
CN104672613A (en) High-temperature-resistant thermoplastic elastomer material and preparation method thereof
US8329273B2 (en) Creep resistant article
CN102558675A (en) Polypropylene material with high melt strength and preparation method thereof
CN114274620A (en) High-strength anti-deformation TPO (thermoplastic polyolefin) waterproof coiled material and preparation method thereof
CN109749663B (en) Bonding resin for continuous fiber reinforced plastic composite pipe and preparation method thereof
CN113799354A (en) Rubber waterproof coiled material and preparation method thereof
CN102731910B (en) Non-elastomer/polypropylene blended composite material
CN114953679A (en) High-molecular composite waterproof coiled material for building roof and preparation method thereof
CN108192514B (en) Thermoplastic elastomer water stop and preparation method thereof
CN101845169A (en) Waterproof rolled material and preparation method thereof
CN107474428A (en) PVC composite modification materials and preparation method thereof
CN106947118A (en) A kind of biodegradable thermoplastic's material and its processing method and application
CN101805476A (en) Waterproof product containing plastic and rubber composition and preparation method thereof
CN117143414B (en) Root-isolating anti-seepage composite material and preparation method thereof
Kajaks et al. Physicomechanical properties of composites from recycled polyethylene and linen yarn production wastes

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
GR01 Patent grant
GR01 Patent grant