CN112250970A - Environment-friendly calcium-zinc stabilizer for high-stability PVC (polyvinyl chloride) and preparation method thereof - Google Patents

Environment-friendly calcium-zinc stabilizer for high-stability PVC (polyvinyl chloride) and preparation method thereof Download PDF

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Publication number
CN112250970A
CN112250970A CN202011190894.7A CN202011190894A CN112250970A CN 112250970 A CN112250970 A CN 112250970A CN 202011190894 A CN202011190894 A CN 202011190894A CN 112250970 A CN112250970 A CN 112250970A
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parts
environment
calcium
zinc stabilizer
sulfonated polystyrene
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严晴
严一丰
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SHENZHEN AIMSEA INDUSTRIAL CO LTD
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SHENZHEN AIMSEA INDUSTRIAL CO LTD
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    • 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
    • C08L27/04—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 chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention relates to an environment-friendly calcium-zinc stabilizer for high-stability PVC, which comprises the following raw materials in parts by weight: calcium stearate, zinc stearate, sulfonated polystyrene coated hydroxyapatite, polyethylene wax, octaphenylamino polyhedral oligomeric silsesquioxane, 1, 3-dibromopropane, an antioxidant 1010, N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole, KH-550 and KH-560. The invention also relates to a preparation method of the calcium-zinc stabilizer.

Description

Environment-friendly calcium-zinc stabilizer for high-stability PVC (polyvinyl chloride) and preparation method thereof
Technical Field
The invention belongs to the technical field of stabilizers, and particularly relates to an environment-friendly calcium zinc stabilizer for high-stability PVC and a preparation method thereof.
Background
It is well known that the performance of the stabilizer has a large influence on the stability of the PVC material. The commonly used heat stabilizer is mainly a lead salt stabilizer, which has low price and good heat stabilizing effect, but has high toxicity, seriously harms human health and pollutes the environment. The non-toxic calcium-zinc composite Ca/Zn heat stabilizer is a world-recognized non-toxic and environment-friendly heat stabilizer, has the advantages of low price, good lubricity and the like, and has a very wide development space.
However, the PVC stabilizers currently used in the market have poor weather resistance, are easily discolored, and significantly reduce the strength of PVC materials when added in a high content. Therefore, it is necessary to develop a high stability calcium zinc stabilizer with good weather resistance for PVC material.
Disclosure of Invention
Therefore, the first aspect of the invention provides an environment-friendly calcium zinc stabilizer for high-stability PVC, which is prepared from the following raw materials in parts by weight:
100 portions of calcium stearate
80-120 parts of zinc stearate
30-50 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 5-10 parts
5-15 parts of octaphenylamino cage type silsesquioxane
5-10 parts of 1, 3-dibromopropane
10101-10 parts of antioxidant
1-10 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5501-5 parts
KH-5601-5 parts.
In a preferred scheme, the environment-friendly calcium zinc stabilizer for high-stability PVC comprises the following preparation raw materials in parts by weight:
100 portions of calcium stearate
90-110 parts of zinc stearate
40-50 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 7-10 parts
8-15 parts of octaphenylamino cage type silsesquioxane
8-10 parts of 1, 3-dibromopropane
10105-10 parts of antioxidant
5-10 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5502-5 parts
KH-5602-5 parts.
In a more preferable scheme, the environment-friendly calcium zinc stabilizer for high-stability PVC comprises the following preparation raw materials in parts by weight:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts.
Preferably, the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (with the average particle size of 200-1000 nm), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (the sulfonation degree is 40% -70%) is added into the stirred solution, the mixture is stirred for 30 minutes at 70 ℃, then is filtered by suction, and the obtained solid is fully dried to obtain the sulfonated polystyrene coated hydroxyapatite.
In a preferred embodiment, the hydroxyapatite has an average particle size of 500 nm to 800 nm; preferably 700 nm.
In a preferred embodiment, the sulfonated polystyrene has a degree of sulfonation of 40% to 60%; preferably 50%.
In a preferred embodiment, the environment-friendly calcium zinc stabilizer for high-stability PVC is prepared from the following raw materials in parts by weight: 1-5 parts of 4-amino-5-imidazole formamide hydrochloride and 511-5 parts of epoxy resin.
In a more preferred embodiment, the environment-friendly calcium zinc stabilizer for high-stability PVC is prepared from the following raw materials in parts by weight: 3 parts of 4-amino-5-imidazole formamide hydrochloride and 512 parts of epoxy resin E.
The invention also provides a preparation method of the environment-friendly calcium-zinc stabilizer for high-stability PVC, which comprises the following steps:
adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC.
Preferably, the stirring rate is 800 revolutions per minute.
Detailed Description
Raw materials:
polyethylene wax is available from Honeywell under the designation AC-316A.
The octaphenylamino cage type silsesquioxane has the chemical structure as follows:
Figure DEST_PATH_IMAGE001
(ii) a Purchased from sigma reagent.
Silane coupling agents KH-550, KH-560 were obtained from the Allantin reagent.
Other raw materials are purchased from the national medicine group.
Example 1
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
80 portions of zinc stearate
30 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 5 parts
5 parts of octaphenylamino cage type silsesquioxane
5 parts of 1, 3-dibromopropane
10101 portions of antioxidant
1 part of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5501 parts
KH-5601 parts;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (with the average particle size of 200 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 40%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Example 2
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
120 portions of zinc stearate
50 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 10 parts
Octaphenylamino cage type silsesquioxane 15 parts
10 parts of 1, 3-dibromopropane
Antioxidant 101010 parts
10 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5505 parts
KH-5605 parts;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (with the average particle size of 200 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 40%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Example 3
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (with the average particle size of 200 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 40%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Example 4
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 40%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Example 5
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 50%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Example 6
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts
3 parts of 4-amino-5-imidazole carboxamide hydrochloride
512 parts of epoxy resin E;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 50%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Comparative example 1
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts
3 parts of 4-amino-5-imidazole carboxamide hydrochloride
512 parts of epoxy resin E;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers) and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 50%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Comparative example 2
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
KH-5503 portions
KH-5603 parts
3 parts of 4-amino-5-imidazole carboxamide hydrochloride
512 parts of epoxy resin E;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 50%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Comparative example 3
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts
3 parts of 4-amino-5-imidazole carboxamide hydrochloride
512 parts of epoxy resin E;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 50%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Comparative example 4
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts
3 parts of 4-amino-5-imidazole carboxamide hydrochloride
512 parts of epoxy resin E;
the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (the average particle size is 700 nanometers), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (sulfonation degree of 50%) was added to the stirred solution, and after stirring at 70 ℃ for 30 minutes, suction filtration was performed, and the resulting solid was sufficiently dried to obtain the sulfonated polystyrene-coated hydroxyapatite.
Comparative example 5
Adding the raw materials into a high-speed stirrer, and stirring at 80 ℃ for 20 minutes to obtain the environment-friendly calcium-zinc stabilizer for high-stability PVC, wherein the stirring speed is 800 revolutions per minute;
the raw materials are as follows:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of hydroxyapatite (average particle size of 700 nm)
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts
3 parts of 4-amino-5-imidazole carboxamide hydrochloride
512 parts of epoxy resin E.
Test conditions
1. And (3) weather resistance test: the calcium zinc stabilizers of examples 1 to 6 and comparative examples 1 to 5 were irradiated under ultraviolet light for 60 hours, the type of the ultraviolet lamp was UVA-340, the number of ultraviolet lamps was 3, and 40w per ultraviolet lamp, and the color difference of the calcium zinc stabilizers was measured.
2. And (3) testing mechanical properties:
100 parts by weight of PVC resin and 15 parts by weight of any one of the calcium zinc stabilizers in examples 1 to 6 and comparative examples 1 to 5 were mixed in a high-speed mixer at 120 ℃, processed into a molten material by a twin-screw extruder, cooled into a sheet by a shaping die, and the tensile strength of each sample was measured by a stretcher.
The test results are given in the following table:
examples of the present invention Color difference Tensile strength
Example 1 0.12 60 Mpa
Example 2 0.13 58 Mpa
Example 3 0.1 65 Mpa
Example 4 0.08 63 Mpa
Example 5 0.09 67 Mpa
Example 6 0.05 71 Mpa
Comparative example 1 0.33 42 Mpa
Comparative example 2 0.25 47 Mpa
Comparative example 3 0.22 48 Mpa
Comparative example 4 0.32 42 Mpa
Comparative example 5 0.42 37 Mpa
Pure PVC resin - 55 Mpa

Claims (10)

1. The environment-friendly calcium-zinc stabilizer for high-stability PVC is characterized by comprising the following preparation raw materials in parts by weight:
100 portions of calcium stearate
80-120 parts of zinc stearate
30-50 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 5-10 parts
5-15 parts of octaphenylamino cage type silsesquioxane
5-10 parts of 1, 3-dibromopropane
10101-10 parts of antioxidant
1-10 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5501-5 parts
KH-5601-5 parts.
2. The environment-friendly calcium-zinc stabilizer for high-stability PVC according to claim 1, which is prepared from the following raw materials in parts by weight:
100 portions of calcium stearate
90-110 parts of zinc stearate
40-50 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 7-10 parts
8-15 parts of octaphenylamino cage type silsesquioxane
8-10 parts of 1, 3-dibromopropane
10105-10 parts of antioxidant
5-10 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5502-5 parts
KH-5602-5 parts.
3. The environment-friendly calcium zinc stabilizer for high-stability PVC according to claim 2, which is prepared from the following raw materials in parts by weight:
100 portions of calcium stearate
100 portions of zinc stearate
43 parts of sulfonated polystyrene coated hydroxyapatite
Polyethylene wax 8 parts
11 parts of octaphenylamino cage type silsesquioxane
9 parts of 1, 3-dibromopropane
Antioxidant 10108 parts
7 parts of N- [3- (triethoxysilyl) propyl ] -4, 5-dihydroimidazole
KH-5503 portions
KH-5603 parts.
4. The environment-friendly calcium-zinc stabilizer for high-stability PVC according to claim 1, wherein the preparation method of the sulfonated polystyrene coated hydroxyapatite comprises the following steps:
(1) sequentially adding 10 g of hydroxyapatite (with the average particle size of 200-1000 nm), 2 g of hydroxypropyl starch and 1 g of KH-550 into 200 ml of ethanol, heating to 70 ℃, and stirring for 30 minutes;
(2) then, 1 g of sulfonated polystyrene (the sulfonation degree is 40% -70%) is added into the stirred solution, the mixture is stirred for 30 minutes at 70 ℃, then is filtered by suction, and the obtained solid is fully dried to obtain the sulfonated polystyrene coated hydroxyapatite.
5. The environment-friendly calcium-zinc stabilizer for high-stability PVC according to claim 4, wherein the average particle size of the hydroxyapatite is 500 nm to 800 nm; preferably 700 nm.
6. The environment-friendly calcium-zinc stabilizer for high-stability PVC according to claim 4, wherein the sulfonation degree of the sulfonated polystyrene is 40% -60%; preferably 50%.
7. The environment-friendly calcium-zinc stabilizer for high-stability PVC according to claim 1, which is prepared from the following raw materials in parts by weight: 1-5 parts of 4-amino-5-imidazole formamide hydrochloride and 511-5 parts of epoxy resin.
8. The environment-friendly calcium-zinc stabilizer for high-stability PVC according to claim 7, which is prepared from the following raw materials in parts by weight: 3 parts of 4-amino-5-imidazole formamide hydrochloride and 512 parts of epoxy resin E.
9. The preparation method of the environment-friendly calcium-zinc stabilizer for high-stability PVC is characterized by comprising the following preparation steps:
the raw material of any one of claims 1 to 8 is added into a high-speed stirrer, and after stirring for 20 minutes at 80 ℃, the environment-friendly calcium zinc stabilizer for high-stability PVC is obtained.
10. The method for preparing the environmentally friendly calcium zinc stabilizer for high stability PVC according to claim 9, wherein the stirring speed is 800 rpm.
CN202011190894.7A 2020-10-30 2020-10-30 Environment-friendly calcium-zinc stabilizer for high-stability PVC (polyvinyl chloride) and preparation method thereof Withdrawn CN112250970A (en)

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