CN115594925B - Polyvinyl chloride waterproof coiled material and preparation method and application thereof - Google Patents

Polyvinyl chloride waterproof coiled material and preparation method and application thereof Download PDF

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CN115594925B
CN115594925B CN202211214278.XA CN202211214278A CN115594925B CN 115594925 B CN115594925 B CN 115594925B CN 202211214278 A CN202211214278 A CN 202211214278A CN 115594925 B CN115594925 B CN 115594925B
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polyvinyl chloride
coiled material
waterproof coiled
hydroxyapatite
stabilizer
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CN115594925A (en
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李仪
胡全超
黄海亮
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Fujian Keshun New Material Co ltd
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Fujian Keshun New Material Co ltd
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    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/132—Phenols containing keto groups, e.g. benzophenones
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3472—Five-membered rings
    • C08K5/3475—Five-membered rings condensed with carbocyclic rings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/004—Sealing liners
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
    • 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
    • E04B1/665—Sheets or foils impervious to water and water vapor
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/325—Calcium, strontium or barium phosphate
    • 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
    • C08K2201/011—Nanostructured additives
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0045—Composites
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2450/00—Gaskets
    • E02D2450/10—Membranes
    • E02D2450/105—Membranes impermeable
    • E02D2450/106—Membranes impermeable for liquids

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the field of waterproof coiled materials, and discloses a polyvinyl chloride waterproof coiled material, and a preparation method and application thereof. The composition contains the following components which are stored independently or stored in a mixed way: polyvinyl chloride resin powder, hydroxyapatite, plasticizer, stabilizer and ultraviolet absorber. The polyvinyl chloride waterproof coiled material provided by the invention can separate heavy metals, has good mechanical properties, and has the advantages of simple preparation process, low cost and good economic benefit.

Description

Polyvinyl chloride waterproof coiled material and preparation method and application thereof
Technical Field
The invention relates to the field of waterproof coiled materials, in particular to a polyvinyl chloride waterproof coiled material and a preparation method and application thereof.
Background
With the development of heavy industries such as mining and the like, more and more wastewater containing heavy metal ions such as chromium, lead, zinc, nickel and the like with higher concentration is generated. If the wastewater is not treated, the wastewater directly enters underground water, so that the heavy metal content in the surrounding living environment is increased, and the human health is seriously affected beyond the normal range.
Hydroxyapatite is a major component of human, animal bones, teeth, including calcium carbonate, apatite, and small amounts of acid insolubles due to its unique crystal structure. The calcium ions in the hydroxyapatite can perform ion exchange reaction with the heavy metal ions in the wastewater, so that the effect of adsorbing the heavy metal ions is achieved.
CN113263805a discloses a heavy metal fiber net/high polymer composite waterproof coiled material and a preparation method thereof, and the designed coiled material comprises a modified polymer layer and a three-dimensional fiber net layer arranged on the upper side and the lower side. The composite waterproof coiled material provided by the prior art is complex in structure and complex in preparation process.
CN101613135a discloses a method for removing heavy metal ions in sewage by using nano-hydroxyapatite, wherein nano-hydroxyapatite is added into the sewage containing heavy metal ions to remove the heavy metal ions, so that the treatment efficiency is high and the treatment cost is low.
The prior art mainly adopts geotechnical cloth and the like to lay the bottom and plays the waterproof and seepage-proofing effect, can not realize the separation of heavy metal ions, and the waterproof coiled material that can separate heavy metal that prior art discloses is complicated in structure, and preparation process is loaded down with trivial details, manufacturing cost is high.
Therefore, a waterproof coiled material which can block heavy metals, has good mechanical properties, and is simple in preparation process and low in cost is needed.
Disclosure of Invention
The invention aims to overcome the defects of complex structure, complex preparation process and high production cost of the waterproof coiled material for blocking heavy metals in the prior art, and provides the waterproof coiled material which can block heavy metals, has good mechanical properties, and is simple in preparation process and low in cost.
In order to achieve the above object, the first aspect of the present invention provides a composition for preparing a polyvinyl chloride waterproof roll, the composition comprising the following components stored independently or in a mixture of two or more of them:
polyvinyl chloride resin powder, hydroxyapatite, plasticizer, stabilizer and ultraviolet absorber;
the average polymerization degree of the polyvinyl chloride resin powder is 1000-1400;
the average particle size of the hydroxyapatite is 20-80nm;
in the composition, the content of the hydroxyapatite is 20-40 parts by weight, the content of the plasticizer is 30-50 parts by weight, the content of the stabilizer is 3-5 parts by weight, and the content of the ultraviolet absorber is 0.1-0.5 part by weight, based on 100 parts by weight of the content of the polyvinyl chloride resin powder.
In a second aspect, the present invention provides a method for preparing a polyvinyl chloride waterproof roll, the method being carried out by using the components in the composition according to the first aspect, and comprising: and mixing the polyvinyl chloride resin powder, the hydroxyapatite, the stabilizer, the ultraviolet absorber and the plasticizer, and then extruding and molding to obtain the polyvinyl chloride waterproof coiled material.
In a third aspect, the present invention provides a polyvinyl chloride waterproof roll prepared by the method of the second aspect.
According to a fourth aspect of the invention, the application of the polyvinyl chloride waterproof coiled material in building waterproofing is provided.
The polyvinyl chloride waterproof coiled material provided by the invention can block heavy metal ions, and has good mechanical properties and strong environmental adaptability.
The method for preparing the polyvinyl chloride waterproof coiled material provided by the invention is simple to operate, low in cost and good in economic benefit.
Detailed Description
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
It should be noted that, in the aspects of the present invention, the same components or terms as those in the aspects are described only once in one aspect and not repeated for the description, so that the present invention is not limited by those skilled in the art.
The average particle diameters described in the present invention all represent average diameters.
As described above, the first aspect of the present invention provides a composition for preparing a polyvinyl chloride waterproof roll, the composition comprising the following components stored independently or in a mixed state of two or more:
polyvinyl chloride resin powder, hydroxyapatite, plasticizer, stabilizer and ultraviolet absorber;
the average polymerization degree of the polyvinyl chloride resin powder is 1000-1400;
the average particle size of the hydroxyapatite is 20-80nm;
in the composition, the content of the hydroxyapatite is 20-40 parts by weight, the content of the plasticizer is 30-50 parts by weight, the content of the stabilizer is 3-5 parts by weight, and the content of the ultraviolet absorber is 0.1-0.5 part by weight, based on 100 parts by weight of the content of the polyvinyl chloride resin powder.
Preferably, the average polymerization degree of the polyvinyl chloride resin powder is 1250-1350, and the inventors of the present invention found that, in this preferred case, the heavy metal barrier property, mechanical properties, and chemical properties of the polyvinyl chloride waterproof roll prepared from the composition provided by the present invention can be further improved.
The average polymerization degree in the present invention means a number average polymerization degree, and the number average polymerization degree means a polymerization degree of a polymer represented by the number of structural units.
Preferably, the hydroxyapatite has an average particle size of 60 to 80nm. The inventor of the present invention found that, in this preferred case, the heavy metal barrier property, mechanical properties and chemical properties of the polyvinyl chloride waterproof roll prepared from the composition provided by the present invention can be further improved.
Preferably, the plasticizer is at least one selected from the group consisting of dioctyl phthalate, dioctyl terephthalate, trioctyl trimellitate and epoxidized soybean oil.
Preferably, the stabilizer is at least one selected from calcium-zinc stabilizer and barium-zinc stabilizer.
More preferably, the stabilizer is a calcium zinc stabilizer.
Preferably, the ultraviolet absorber is benzophenone and/or benzotriazole.
More preferably, the ultraviolet absorber is at least one selected from the group consisting of 2-hydroxy-4-n-octoxybenzophenone (UV-531), 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, 2'- (2' -hydroxy-3 '-tert-butyl-5' -methylphenyl) -5-chlorobenzotriazole (UV-326).
As described above, the second aspect of the present invention provides a method for producing a polyvinyl chloride waterproof roll, the method being carried out using the components of the composition according to the first aspect, comprising: and mixing the polyvinyl chloride resin powder, the hydroxyapatite, the stabilizer, the ultraviolet absorber and the plasticizer, and then extruding and molding to obtain the polyvinyl chloride waterproof coiled material.
According to a preferred embodiment, the mixing conditions at least satisfy: the temperature is 100-120 ℃.
The specific mode of mixing is not particularly required, the components can be uniformly mixed, and a person skilled in the art can operate the mixing method by adopting a conventional technical means in the art, for example, the mixing method is carried out in a stirring mode of a high-speed stirrer, and the stirring is carried out for 10-15min under the condition of 300-400 rpm.
According to another preferred embodiment, the extrusion temperature is 150-170 ℃.
The apparatus or mode used for the extrusion molding is not particularly limited, and those skilled in the art can use conventional technical means in the art to perform the extrusion molding, and the present invention will hereinafter exemplarily provide a specific embodiment, and the extrusion molding is exemplarily performed using a twin screw extruder.
As described above, the third aspect of the present invention provides a polyvinyl chloride waterproof roll prepared by the method of the second aspect.
As described above, the fourth aspect of the present invention provides the use of the polyvinyl chloride waterproof roll described in the third aspect in waterproofing a building.
The invention will be described in detail below by way of examples. In the following examples, unless otherwise specified, all the raw materials used are commercially available.
The sources of the raw materials are shown in table 1:
TABLE 1
In the examples below, unless otherwise specified, 100g is indicated per "part" or per "part by weight".
High-speed mixer: model SHR-500 available from Wo Rui Siro Inc., suzhou;
twin screw extruder: model SY 6217-AS, available from Dongguan City, shiyan precision instruments Co.
Example 1
Adding polyvinyl chloride resin powder, hydroxyapatite, a stabilizer, an ultraviolet absorber and a plasticizer into a high-speed stirrer, mixing, and adopting a double-screw extruder to extrude and mold to obtain the polyvinyl chloride waterproof coiled material, wherein the polyvinyl chloride waterproof coiled material is named J1.
The amounts of the components, stirring speed, stirring time, stirring temperature, extrusion molding temperature, and the like are as listed in Table 2.
Examples 2-5 were carried out using a procedure similar to example 1, except that: the polyvinyl chloride waterproof coiled material is prepared by adopting different formulas and production process parameters, and the specific reference is shown in Table 2.
Example 6
This example was carried out using a procedure similar to example 1, except that: the PVC-I in example 1 was replaced with an equal weight of PVC-II to prepare a PVC waterproof roll, designated J6.
Example 7
This example was carried out using a procedure similar to example 1, except that: the hydroxyapatite I in example 1 was replaced with equal weight of hydroxyapatite II to prepare a polyvinyl chloride waterproof roll designated as J7.
Comparative example 1
This comparative example was conducted using a procedure similar to example 1, except that: the PVC-I in example 1 was replaced with an equal weight of PVC-III to prepare a PVC waterproof roll, designated DJ1.
Comparative example 2
This comparative example was conducted using a procedure similar to example 1, except that: the hydroxyapatite I in example 1 was replaced with equal weight of hydroxyapatite III to prepare a polyvinyl chloride waterproof roll, which was named DJ2.
Comparative example 3
This comparative example was conducted using a procedure similar to example 1, except that: the hydroxyapatite I in example 1 was replaced with light calcium carbonate of equal weight to prepare a polyvinyl chloride waterproof roll, designated DJ3.
Comparative example 4
This comparative example was conducted using a procedure similar to example 1, except that: the hydroxyapatite I in example 1 was replaced with diatomaceous earth of equal weight to prepare a polyvinyl chloride waterproof roll, designated DJ4.
TABLE 2
Continuous table 2
Test case
The tensile strength, elongation at break and acid and alkali resistance of the waterproof coiled material prepared in each example were measured according to the standard/method of GB 12952-2011 "polyvinyl chloride (PVC) waterproof coiled material".
The method for measuring the heavy metal adsorption rate comprises the following steps: soaking the waterproof coiled materials prepared in each example in a heavy metal solution with the concentration of heavy metal ions of 20mg/L, standing for 12 hours at room temperature, and measuring the concentration of the heavy metal ions in the heavy metal solution after the waterproof coiled materials are soaked; the weight ratio of the waterproof coiled material to the heavy metal solution is 1:20, a step of; measuring the concentration of heavy metal ions in the heavy metal solution by using an Inductively Coupled Plasma (ICP);
heavy metal adsorption rate= (c 1-c 2)/c1×100%.
c1: the concentration of heavy metal ions in the heavy metal solution before the waterproof coiled material is soaked is mg/L;
c2: the concentration of heavy metal ions in the heavy metal solution after the waterproof coiled material is soaked is mg/L.
TABLE 3 Table 3
From the results in table 3, it can be seen that the polyvinyl chloride waterproof coiled material prepared by adopting the technical scheme provided by the invention has higher tensile strength and elongation at break, good acid and alkali resistance and strong environmental adaptability, and the absorption rate of the waterproof coiled material to heavy metal ions can be further improved.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, a number of simple variants of the technical solution of the invention are possible, including combinations of the individual technical features in any other suitable way, which simple variants and combinations should likewise be regarded as being disclosed by the invention, all falling within the scope of protection of the invention.

Claims (7)

1. The composition for preparing the polyvinyl chloride waterproof coiled material is characterized by comprising the following components which are stored independently or stored in a mixed manner by more than two of the following components:
polyvinyl chloride resin powder, hydroxyapatite, plasticizer, stabilizer and ultraviolet absorber;
the average polymerization degree of the polyvinyl chloride resin powder is 1250-1350;
the average particle size of the hydroxyapatite is 60-80nm;
in the composition, the content of the hydroxyapatite is 20-40 parts by weight, the content of the plasticizer is 30-50 parts by weight, the content of the stabilizer is 3-5 parts by weight, and the content of the ultraviolet absorber is 0.1-0.5 part by weight, based on 100 parts by weight of the content of the polyvinyl chloride resin powder;
the plasticizer is at least one selected from dioctyl phthalate, dioctyl terephthalate, trioctyl trimellitate and epoxidized soybean oil;
the stabilizer is at least one selected from calcium-zinc stabilizer and barium-zinc stabilizer.
2. The composition of claim 1, wherein the ultraviolet absorber is a benzophenone and/or a benzotriazole.
3. A method for producing a polyvinyl chloride waterproof roll using the composition according to claim 1 or 2, comprising: and mixing the polyvinyl chloride resin powder, the hydroxyapatite, the stabilizer, the ultraviolet absorber and the plasticizer, and then extruding and molding to obtain the polyvinyl chloride waterproof coiled material.
4. A method according to claim 3, wherein the mixing conditions at least satisfy: the temperature is 100-120 ℃.
5. The method according to claim 3 or 4, wherein the extrusion temperature is 150-170 ℃.
6. A polyvinyl chloride waterproof roll prepared by the method of any one of claims 3 to 5.
7. The use of the polyvinyl chloride waterproof coiled material as defined in claim 6 in building waterproofing.
CN202211214278.XA 2022-09-30 2022-09-30 Polyvinyl chloride waterproof coiled material and preparation method and application thereof Active CN115594925B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613135A (en) * 2009-07-20 2009-12-30 中国农业科学院农业资源与农业区划研究所 A kind of method of utilizing nanometer hydroxyapatite to remove heavy metal ion in the sewage
JP2017113970A (en) * 2015-12-24 2017-06-29 平岡織染株式会社 Resin composition for tent structure film material
CN108359192A (en) * 2018-03-02 2018-08-03 付主枝 A kind of preparation method and applications of medical rubber-plastic composite material
CN108976664A (en) * 2018-07-20 2018-12-11 王晚秀 A kind of food fresh keeping preparation method for packing membrane material
CN112250909A (en) * 2020-10-30 2021-01-22 深圳市志海实业股份有限公司 Calcium-zinc stabilizer for improving transparency and strength of PVC (polyvinyl chloride) and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101613135A (en) * 2009-07-20 2009-12-30 中国农业科学院农业资源与农业区划研究所 A kind of method of utilizing nanometer hydroxyapatite to remove heavy metal ion in the sewage
JP2017113970A (en) * 2015-12-24 2017-06-29 平岡織染株式会社 Resin composition for tent structure film material
CN108359192A (en) * 2018-03-02 2018-08-03 付主枝 A kind of preparation method and applications of medical rubber-plastic composite material
CN108976664A (en) * 2018-07-20 2018-12-11 王晚秀 A kind of food fresh keeping preparation method for packing membrane material
CN112250909A (en) * 2020-10-30 2021-01-22 深圳市志海实业股份有限公司 Calcium-zinc stabilizer for improving transparency and strength of PVC (polyvinyl chloride) and preparation method thereof

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