JPH05339451A - Stabilized chlorine-containing resin composition - Google Patents

Abstract

PURPOSE:To obtain the objective composition, excellent in thermal stability and capable of preventing chalking from occurring and the surface gloss from losing by adding a copper compound and a specific nitrogen-containing compound to a chlorine-containing resin. CONSTITUTION:The objective resin composition is obtained by adding (B) 0.01-10 pts.wt. copper compound (e.g. copper oxide or copper chloride) and (C) 0.01-10 pts.wt. compound of the formula R-CONH-Y [R is H, alkyl, etc.; Y is the formula or the formula-NHCO-R' [R' is R or B-CONHNHCOR (B is alkylene or arylene)]] to (A) 100 pts.wt. chlorine-containing resin (e.g. PVC or polyvinylidene chloride). A hydrotalcite compound and an organophosphorus compound such as triphenyl phosphite and/or an epoxy compound such as epoxidized soybean oil are further preferably added to this composition from the viewpoint of heat resistance, synergistic effects, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stabilized chlorine-containing resin composition.
TECHNICAL FIELD The present invention relates to a chlorine-containing resin composition which is excellent in thermal stability and prevents choking by adding a copper compound and a specific nitrogen-containing compound.

[0002]

2. Description of the Related Art Chlorine-containing resins are used for all purposes from soft applications to hard applications by freely blending plasticizers. It is used for outdoor applications such as pipes and corrugated sheets because it has a high deformation temperature and excellent thermal stability and light resistance. However,
During use, there is a drawback in that the whitening phenomenon of chalking occurs due to the effect of heat and light derived from the sun's rays, rainwater, and oxygen in the air, and blowing out of the filler.

In order to prevent this chalking, a method of using an inorganic copper compound such as cuprous chloride, cupric chloride, copper sulfate, basic copper carbonate and copper carbonate (JP-A-59-1).
No. 02942), a method of using a copper-containing compound (see JP-A-1-223148), and a method of using one or two kinds selected from a copper-containing hydrotalcite compound and glycine copper (JP-A-HEI-02-29187). 2-187
No. 442), a method of using a copper-treated hydrotalcite-type compound (see JP-A-4-88041), and the like have been proposed. There was a drawback that it was inferior in stability and weather resistance.

A method of adding a benzotriazole compound to a vinyl chloride resin containing a copper alloy (Japanese Patent Publication No.
7-41735), a method of adding a melamine compound to a vinyl chloride resin containing copper or a copper alloy (see Japanese Patent Publication No. 47-46445), or a chelating agent for a vinyl chloride resin containing copper phthalocyanine. (See Japanese Patent Laid-Open No. 48-85636)
However, the effect of improving the adverse effect of the copper compound by these compounds has not been practically sufficient. Therefore, an object of the present invention is to provide a chlorine-containing resin composition which is excellent in thermal stability and in which generation of chalking and loss of surface gloss are prevented.

[0005]

Means for Solving the Problems As a result of intensive studies, the present inventors have achieved the above object by adding a copper compound and a specific nitrogen-containing compound to a chlorine-containing resin in combination. That is, the present invention has been achieved.

That is, according to the present invention, 100 parts by weight of a chlorine-containing resin is added to at least one of the copper compounds (a) 0.01 to 10.
Parts by weight and (b) at least one of the compounds represented by the general formula (I) of the following [Chemical Formula 2] (the same as [Chemical Formula 1]) 0.0
The present invention provides a chlorine-containing resin composition obtained by adding 1 to 10 parts by weight.

[0007]

[Chemical 2]

The chlorine-containing resin composition of the present invention will be described in detail below.

Examples of the copper compound (A) used in the chlorine-containing resin composition of the present invention include copper oxide, copper hydroxide, copper chloride, copper halide, inorganic acid copper, organic acid copper and copper-containing hydrocarbon. Examples include copper-treated products of talcite or hydrotalcite.

Examples of the copper halide include copper chloride, copper fluoride and copper iodide, and examples of the inorganic acid copper include copper nitrate, copper sulfate, copper phosphate, copper superphosphate and phosphorous acid. Copper, copper hypophosphite, copper pyrophosphate, copper silicate, copper hypochlorite,
Copper carbonate, copper borate, copper sulfamate, copper molybdate,
Examples include copper chromate.

The organic acid that constitutes the above organic acid copper is
Carboxylic acids such as acetic acid, stearic acid, oleic acid, acrylic acid, methacrylic acid, oxalic acid, malonic acid, succinic acid, adipic acid, maleic acid, fumaric acid, benzoic acid, salicylic acid, phthalic acid, terephthalic acid and naphthenic acid, Organic phosphoric acids such as lauryl phosphoric acid and stearyl phosphoric acid,
Phenols such as phenol, cresol, nonylphenol, 2-hydroxy-4-methoxybenzophenone, 2-hydroxybenzophenones such as 2-hydroxy-4-octoxybenzophenone, 2- (2'-hydroxy-5'-methylphenyl) Benzotriazole, 2- (2'-hydroxy-5'-tertiary octylphenyl) benzotriazole, 2- (2'-hydroxy-
Examples thereof include 2- (2′-hydroxyphenyl) benzotriazoles such as 3′-tertiary-butyl-5′-methylphenyl) benzotriazole.

The above-mentioned copper-containing hydrotalcite contains copper in its molecular structure, such as the one disclosed in JP-A-2-187442, and the like. The copper-treated product is one in which an inorganic copper compound is incorporated between the layers of hydrotalcite, and is disclosed, for example, in JP-A-4-88041.

The amount of the above copper compound added is the chlorine-containing resin 1
It is 0.01 to 10 parts by weight, preferably 0.05 to 5 parts by weight, based on 00 parts by weight.

In the above general formula (I) representing the nitrogen-containing compound of the component (b) used in the chlorine-containing resin composition of the present invention,
Examples of the alkyl group represented by R, R ₁ , R ₂ and R ′ include methyl, ethyl, propyl, isopropyl, butyl, tert-butyl, amyl, tert-amyl, hexyl, heptyl, octyl and tert-octyl, 2 Groups such as ethylhexyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, stearyl, and the like, and the alkylene group represented by A and B includes methylene, ethylene, isoethylene, propylene, iso Examples include groups such as propylene, butylene, and isobutylene, and examples of the arylene group represented by B include groups such as phenylene and naphthylene.

Therefore, examples of the nitrogen-containing compound represented by the above general formula (I) include the following [Chemical formula 3] to [Chemical formula 1].
4] (Compound No. 1 to Compound No. 12) and the like.

[0016]

[Chemical 3]

[0017]

[Chemical 4]

[0018]

[Chemical 5]

[0019]

[Chemical 6]

[0020]

[Chemical 7]

[0021]

[Chemical 8]

[0022]

[Chemical 9]

[0023]

[Chemical 10]

[0024]

[Chemical 11]

[0025]

[Chemical formula 12]

[0026]

[Chemical 13]

[0027]

[Chemical 14]

The amount of the nitrogen-containing compound added is 0.01 to 10 parts by weight, preferably 0.05 to 5 parts by weight, based on 100 parts by weight of the chlorine-containing resin.

Examples of the chlorine-containing resin in the present invention include polyvinyl chloride, chlorinated polyvinyl chloride, polyvinylidene chloride, chlorinated polyethylene, vinyl chloride-vinyl acetate copolymers, vinyl chloride-ethylene copolymers, chlorides. Vinyl-propylene copolymer, vinyl chloride-styrene copolymer, vinyl chloride-isobutylene copolymer, vinyl chloride-vinylidene chloride copolymer, vinyl chloride-styrene-
Maleic anhydride terpolymer, vinyl chloride, styrene-
Acrylonitol copolymer, vinyl chloride-butadiene copolymer, vinyl chloride-isoprene copolymer, vinyl chloride-chlorinated propylene copolymer, vinyl chloride-vinylidene chloride-vinyl acetate terpolymer, vinyl chloride- Maleic acid ester copolymer, vinyl chloride-methacrylic acid ester copolymer, vinyl chloride-acrylonitrile copolymer,
Examples thereof include chlorine-containing resins such as vinyl chloride-various vinyl ether copolymers, blends of these with each other or with other chlorine-free synthetic resins, block copolymers, graft copolymers and the like.

To the chlorine-containing resin composition of the present invention, a commonly used metallic stabilizer can be added. Examples of the metallic stabilizer include lead stabilizers, calcium stabilizers, and zinc stabilizers. Examples thereof include stabilizers, magnesium-based stabilizers, barium-based stabilizers, organotin-based stabilizers, and composite stabilizers thereof.

Examples of the lead-based stabilizer include lead white,
Basic lead silicate, basic lead sulfate, dibasic lead sulfate, tribasic lead sulfate, basic lead sulfite, dibasic lead phosphite, silica gel co-precipitated lead silicate, dibasic lead phthalate, tribasic Lead maleate, lead salicylate, lead stearate, basic lead stearate, dibasic lead stearate, lead laurate,
Examples thereof include lead octylate, lead 12-hydroxystearate, lead behenate, and lead naphthenate.

Examples of the above zinc-based, calcium-based, magnesium-based and barium-based stabilizers include zinc, calcium, magnesium and barium oxides, hydroxides, carbonates, basic carbonates, and (meth) boric acid. Inorganic compounds such as salts, (meth) silicates, (sub) phosphates, basic phosphates, aluminates, titanates, stannates and rhodanates, and these metals and organic carboxylic acids The metal soap is. Examples of the organic carboxylic acid constituting the metal soap include acetic acid, lactic acid, stearyl lactic acid, caproic acid, pelargonic acid, lauric acid, 2-ethylhexylic acid, myristic acid, palmitic acid, undecylenic acid, ricinoleic acid, linoleic acid, Linoleic acid, neodecanoic acid, oleic acid, stearic acid, isodecanoic acid, isostearic acid, 12-hydroxystearic acid, 12-ketostearic acid, chlorostearic acid, phenylstearic acid, arachidic acid, behenic acid, erucic acid, brassidin Acids and similar acids and mixtures of the above naturally occurring acids such as tallow fatty acid, coconut oil fatty acid, tung oil fatty acid, soybean oil fatty acid and cottonseed oil fatty acid, benzoic acid, chlorobenzoic acid, toluic acid, salicylic acid, p-
Tertiary butyl benzoic acid, 5-tertiary octyl salicylic acid, naphthenic acid, xylyl acid, ethyl benzoic acid, isopropyl benzoic acid, ditertiary butyl benzoic acid, bromobenzoic acid, maleic acid, adipic acid, phthalic acid, monobutyl mer Examples thereof include rate, monodecyl phthalate and cyclohexanedicarboxylic acid.

Examples of the above-mentioned organotin stabilizers include methylstannoic acid, butylstannoic acid, octylstannoic acid, dimethyltin oxide, dibutyltin oxide, dioctyltin oxide, dimethyltin sulfide, Dibutyltin sulfide, dioctyltin sulfide, monobutyltin oxide sulfide, methylthiostannoic acid, butylthiostannoic acid, octylthiostannoic acid, dibutyltin dilaurate, dibutyltin distearate, dioctyltin dioleate, dibutyltin basic Laurate, dibutyltin dicrotonate, dibutyltin bis (butoxydiethylene glycol malate), dibutyltin methyl octyl neopentyl glycol malate, dibutyltin isooctyl 1,4-butanedi Rumalate, dibutyltin dimethacrylate, dibutyltin dicinnamate, dioctyltin bis (oleyl maleate), dibutyltin bis (stearyl malate), dibutyltin itaconate, dioctyltin malate, dimethyltin dicrotonate, dioctyltin bis (butylmalate), dibutyltin Dimethoxide, dibutyltin dilauroxide, dioctyltin ethyleneglycoxide, pentaerythritol / dibutyltin oxide condensate, dibutyltin bis (lauryl mercaptide), dimethyltin bis (stearyl mercaptide), monobutyltin tris (lauryl mercaptide) , Dibutyltin-β
-Mercaptopropionate, dioctyltin-β-mercaptopropionate, dibutyltin mercaptoacetate, monobutyltin tris (isooctylmercaptoacetate), monooctyltin tris (2-ethylhexylmercaptoacetate), dibutyltin bis (isooctylmercapto) Acetate), dioctyl tin bis (isooctyl mercapto acetate), dioctyl tin bis (2
-Ethylhexyl mercapto acetate), dimethyl tin bis (isooctyl mercapto acetate), dimethyl tin bis (isooctyl mercapto propionate), monobutyl tin tris (isooctyl mercapto propionate), bis [monobutyl di (isooctoxy carbonyl methylene thio) ) Tin] sulfide, bis [dibutylmono (isooctoxycarbonylmethylenethio) tin] sulfide, monobutylmonochlorotin bis (isooctylmercaptopropionate), monobutylmonochlorotin bis (isooctylmercaptoacetate), monobutylmonochlorotin Bis (lauryl mercaptide), butyltin bis (ethylcellosolbumarate), bis (dioctyltin butylmalate) malate, bis (methyltin diisooctyltilg) Cholate) disulfide, bis (methyl / dimethyltin mono / diisooctylthioglycolate) disulfide, bis (methyltin diisooctylthioglycolate) trisulfide, bis (butyltin diisooctylthioglycolate) trisulfide , 2-butoxycarbonylethyltin tris (butylthioglycolate) and the like.

The amount of the above metal-based stabilizer added is preferably 0.01 to 10 relative to 100 parts by weight of the chlorine-containing resin.
Parts by weight, more preferably 0.05 to 5 parts by weight.

By adding a hydrotalcite compound to the chlorine-containing resin composition of the present invention, its heat resistance and weather resistance are further improved.

The above-mentioned hydrotalcite compound is
A double salt compound consisting of magnesium, zinc and aluminum represented by the following general formula (III) can be given.

[0037]

[Chemical 15]

The hydrotalcite compound may be a natural product or a synthetic product, or may be a product obtained by heating and dehydrating the water of crystallization thereof. As the synthesis method, known methods described in JP-B-46-2280, JP-B-50-30039, JP-B-51-29129 and the like can be exemplified. Further, in the present invention, it can be used without being limited by its crystal structure, crystal particle size and the like.

On the surface of the hydrotalcite compound, higher fatty acid such as stearic acid, higher fatty acid metal salt such as alkali metal oleate, organic sulfonic acid metal salt such as alkali metal dodecylbenzene sulfonate, higher fatty acid amide Those coated with higher fatty acid ester or wax can also be used.

Further, a compound obtained by substituting a part of the metal of the hydrotalcite compound with another metal such as zinc, or a compound obtained by substituting a part or all of the carbonate ion with an anion such as perchlorate ion is also used. it can.

The amount of the hydrotalcite compound added is preferably 0.01 to 10 parts by weight, more preferably 0.05 to 5 parts by weight, based on 100 parts by weight of the chlorine-containing resin.
Parts by weight.

By using the chlorine-containing resin composition of the present invention in combination with an organic phosphorus compound such as an organic phosphite compound and / or an epoxy compound, an excellent synergistic effect is exhibited.

Examples of the organic phosphorus compound include triphenyl phosphite, tris (2,4-ditert-butylphenyl) phosphite, tris (nonylphenyl).
Phosphite, tris (dinonylphenyl) phosphite, tris (mono-dimixed nonylphenyl) phosphite, diphenylacid phosphite, 2,2'-methylenebis (4,6-didaisanbutylphenyl) octylphosphite, diphenyl Decyl phosphite, phenyl diisodecyl phosphite, tributyl phosphite, tri (2-ethylhexyl) phosphite, tridecyl phosphite, trilauryl phosphite, dibutyl acid phosphite, dilauryl acid phosphite, trilauryl trithiophosphite, bis (Neopentyl glycol) -1,4-cyclohexane dimethyl diphosphite, bis (2,4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythrite Benzyl diphosphite, phenyl-
4,4'-isopropylidenediphenol-pentaerythritol diphosphite, tetra (C ₁₂ -C ₁₅ mixed alkyl) -4,4'-isopropylidene diphenyl diphosphite, hydrogenated 4,4'-isopropylidene Phenol polyphosphite, bis (octylphenyl)
-Bis [4,4'-n-butylidene bis (2-tert-butyl-5-methylphenol)]-1,6-hexanediol diphosphite, tetratridecyl-4,4'-
Butylidene bis (2-tert-butyl-5-methylphenol) diphosphite, hexa (tridecyl) -1,1,
3-tris (2-methyl-5-tert-butyl-4-hydroxyphenyl) butane triphosphite, 9,10-
Examples thereof include dihydro-9-oxa-10-phosphaphenanthrene-10-oxide.

The amount of the above organic phosphite compound added is
It is preferably 0.0 with respect to 100 parts by weight of the chlorine-containing resin.
It is 1 to 5 parts by weight, more preferably 0.1 to 3 parts by weight.

Examples of the epoxy compounds include epoxidized soybean oil, epoxidized linseed oil, epoxidized fish oil, epoxidized tall oil fatty acid ester, epoxidized beef tallow oil, epoxidized castor oil, epoxidized safflower oil, Epoxidized linseed oil fatty acid butyl, epoxy methyl stearate, -butyl, 2-ethylhexyl or -stearyl, tris (epoxypropyl) isocyanurate, 3- (2-xenoxy) -1,2-epoxypropane, epoxidized polybutadiene, Bisphenol
A diglycidyl ether, vinylcyclohexene diepoxide, dicyclopentadiene diepoxide, 3,
4-epoxycyclohexyl-6-methylepoxycyclohexanecarboxylate and the like can be mentioned.

The amount of the epoxy compound added is preferably 0.01 to 20 with respect to 100 parts by weight of the chlorine-containing resin.
Parts by weight, more preferably 0.5 to 10 parts by weight.

A light stabilizer such as an ultraviolet absorber or a hindered amine compound can be used in combination with the chlorine-containing resin composition of the present invention.

Examples of the light stabilizer include 2,4-
2-hydroxybenzophenones such as dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octoxybenzophenone and 5,5′-methylenebis (2-hydroxy-4-methoxybenzophenone); 2- (2 '-Hydroxy-
5'-methylphenyl) benzotriazole, 2-
(2'-Hydroxy-5'-tertiary octylphenyl) benzotriazole, 2- (2'-hydroxy-3 ',
5′-di-tert-butylphenyl) benzotriazole, 2
-(2'-hydroxy-3 ', 5'-di-tert-butylphenyl) -5-chlorobenzotriazole, 2- (2'-
Hydroxy-3'-tert-butyl-5'-methylphenyl) -5-chlorobenzotriazole, 2- (2'-hydroxy-3 ', 5'-dicumylphenyl) benzotriazole, 2,2'-methylenebis ( 4-tertiary octyl-6-benzotriazolyl) phenol and the like 2-
(2'-hydroxyphenyl) benzotriazoles;
Phenyl salicylate, resorcinol monobenzoate, 2,4-di-tert-butylphenyl-3 ', 5'-di-tert-butyl-4'-hydroxybenzoate: hexadecyl-3,5-di-tert-butyl-4-hydroxybenzoate, etc. Benzoates; 2-ethyl-2'-ethoxyoxanilide, 2-ethoxy-4'-dodecyloxanilide and other substituted oxanilides; ethyl-α-cyano-
Cyanoacrylates such as β, β-diphenyl acrylate and methyl-2-cyano-3-methyl-3- (p-methoxyphenyl) acrylate; 2,2,6,6-tetramethyl-4-piperidyl stearate, 1 , 2,
2,6,6-pentamethyl-4-piperidyl stearate, 2,2,6,6-tetramethyl-4-piperidyl benzoate, bis (2,2,6,6-tetramethyl-4
-Piperidyl) sebacate, bis (1,2,2,6,6)
-Pentamethyl-4-piperidyl) sebacate, tetrakis (2,2,6,6-tetramethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, tetrakis (1,2,2,6) 6-pentamethyl-
4-piperidyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) di (tridecyl) -1,2,
3,4-butane tetracarboxylate, bis (1,
2,2,6,6-pentamethyl-4-piperidyl) -2
-Butyl-2- (3,5-di-tert-butyl-4-hydroxybenzyl) malonate, 1- (2-hydroxyethyl) -2,2,6,6-tetramethyl-4-piperidinol / diethyl succinate Condensate, 1,6-bis (2,
2,6,6-Tetramethyl-4-piperidylamino) hexane / dibromoethane polycondensate, 1,6-bis (2,2
2,6,6-Tetramethyl-4-piperidylamino) hexane / 2,4-dichloro-6-tert-octylamino-
s-triazine polycondensate, 1,6-bis (2,2,6,
6-tetramethyl-4-piperidylamino) hexane /
Examples thereof include hindered amine compounds such as 2,4-dichloro-6-morpholino-s-triazine polycondensate.

Further, in the chlorine-containing resin composition of the present invention,
Β-aminocrotonates such as 1,4-butanediol bis (β-aminocrotonate) and thiodiglycol bis (β-aminocrotonate); ureas such as diphenylurea and diphenylthiourea; α-phenylindo -, Indole such as α- (octylphenyl) indole; 2,6-dimethyl-3,5-dicarbooctoxy-1,4-dihydropyridine, 2,6-dimethyl-3,5-dicarblauryloxy Dihydropyridines such as -1,4-dihydropyridine; β-diketone compounds such as dibenzoylmethane, benzoylacetone, stearoylbenzoylmethane, caproylbenzoylmethane and dehydroacetic acid; trimethylolpropane, glycerin, tris (hydroxyethyl) isocyanurate, Pentaerythritol, di Pentaerythritol,
Polyhydric alcohols such as mannitol, sorbit, pentaerythritol / stearic acid ester, dipentaerythritol / adipic acid ester, dipentaerythritol / pyrrolidone carboxylic acid ester; dilauryl thiodipropionate, distearyl thiodipropionate, penta Organic sulfur compounds such as erythritol tetra (lauryl mercaptopropionate); bisphenol A, 2,6-di-tert-butyl-p-cresol, stearyl-3,5-di-tert-butyl-4-hydroxyphenylpropionate And phenols or melamines can be used in combination.

In addition, if necessary, the composition of the present invention may include, for example, a crosslinking agent, a pigment, a filler, a foaming agent, an antistatic agent, an antifogging agent, an antiplateout agent, a surface treatment agent, a lubricant, and a hardener. Combustion agent, fluorescent agent, antifungal agent, bactericidal agent, metal deactivator,
Photodegradation agents, processing aids, mold release agents, reinforcing agents and the like can be included.

[0051]

EXAMPLES The following examples show the effects of the chlorine-containing resin composition of the present invention, but the present invention is not limited to these examples.

Example 1 The following (blended) composition was kneaded at 190 ° C. for 5 minutes and then pressed at 170 ° C. and 200 kg / cm ² for 5 minutes to prepare a test piece having a thickness of 1 mm. did. This test piece was put in a 63 ° C. sunshine weatherometer (SWOM) with rain and the blackening time was measured (shown as SWOM in the table). Further, the above test pieces were subjected to a thermal stability test (HS) by measuring the blackening time in an oven at 190 ° C.

The test pieces were exposed to ultraviolet rays with a UV tester, and the whiteness of the test pieces after 480 hours and 840 hours was measured with a color difference meter, and a chalking phenomenon was observed. Naturally, the whiteness is expected to increase due to the occurrence of chalking, so the smaller the value, the better. Further, the glossiness at 60 degrees was measured with a gloss meter. Regarding the glossiness, the retention rate was determined by comparison with the original (shown as the gloss retention rate in the table).

The setting conditions of the UV tester were as follows. Black panel temperature 50 ℃ Light intensity 60mW / cm ² (at 365nm) Humidity 50%

The results are shown in Table 1 below.

(Combination) Polyvinyl chloride (average molecular weight 1050) 100 parts by weight Tribasic lead sulfate 0.5 Lead stearate 1.5 Dibasic lead stearate 0.3 Calcium stearate 0.3 Calcium carbonate 2. 0 Titanium oxide 0.2 Carbon black 0.01 Copper stearate 0.3 Test compound (see [Table 1]) 0.1

[0057]

[Table 1]

Example 2 A test piece was prepared in the same manner as in Example 1 by using the following (composition) compound, and the test piece was placed in a sunshine weatherometer (SWOM) to obtain a blackening time (in the table). SWO
(Shown as M) was measured, and a choking (whitening) occurrence time (visual) was measured with a UV tester. Also, 190 ℃
Thermal stability test (HS) was also performed. The respective settings were the same as in Example 1.

The results are shown in [Table 2] below.

(Combination) Polyvinyl chloride (average molecular weight 1050) 100 parts by weight Epoxidized soybean oil 0.5 Zinc stearate 1.0 Calcium stearate 1.0 DHT-4A ^{* 1} 0.5 Dipentaerythritol 0.5 Bisphenol A 0.2 Calcium carbonate 10 Titanium oxide 0.2 Carbon black 0.1 Copper carbonate 0.3 Test compound (see [Table 2]) 0.1 * 1: Synthetic hydrotalcite manufactured by Kyowa Chemical Industry Co., Ltd.

[0061]

[Table 2]

Example 3 A test piece was prepared in the same manner as in Example 1 using the following (composition) compound, and a thermal stability test (HS) at 190 ° C. was carried out, and this test piece was used. An outdoor exposure test (Urawa City, Saitama Prefecture) was conducted, and the gloss retention was measured in the same manner as in Example 1 by sampling every 3 months.

The results are shown in Table 3 below.

(Compounding) Polyvinyl chloride (average molecular weight 1050) 100 parts by weight Calcium stearate 1.0 Zinc stearate 1.0 Dipentaerythritol 0.7 Bisphenol A 0.4 DHT-4A ^{* 1} 0.5 Oxidized polyethylene Wax 0.5 Calcium carbonate 4.0 Titanium oxide 4.0 Compound No. 3 0.1 Test compound (See [Table 3]) 0.2 * 1: Synthetic hydrotalcite manufactured by Kyowa Chemical Industry Co., Ltd.

[0065]

[Table 3]

Example 4 A test piece was prepared in the same manner as in Example 1 using the following (composition) compound, and the blackening time was measured in a gear oven at 190 ° C. (HS). An outdoor exposure test was conducted using the above, and the occurrence of choking was visually evaluated by sampling every 3 months. The evaluation standard is 1
At 0 stage, 1 indicates that the choking phenomenon is not observed at all, and that the choking phenomenon is remarkable as the numerical value increases.

The results are shown in Table 4 below.

Polyvinyl chloride (average molecular weight 1050) 100 parts by weight dibasic lead phosphite 2.0 lead stearate 1.0 tribasic lead sulfate 0.5 calcium stearate 0.5 acrylic modified Qualitative agent 5.0 Calcium carbonate 4.0 Titanium oxide 4.0 Copper carbonate 0.2 9,10-Dihydro-9-oxa-10-0.1 Phosphaphenanthrene-10-oxide Test compound ([Table 4 ]) 0.2

[0069]

[Table 4]

As is clear from the results shown in [Table 1] to [Table 4], when a copper compound is added to the chlorine-containing resin, the effect of preventing chalking and gloss loss due to photodegradation is excellent, but these copper The compound adversely affects the thermal stability of the resin. In addition, when a copper compound and a chelating agent such as oxalyl hydrazide or benzotriazole are added together to a chlorine-containing resin, the effect of improving thermal stability is small, and these chelating agents are used for choking of copper compounds and It also tends to adversely affect the effect of preventing gloss loss.

On the other hand, the copper compound and the above-mentioned general formula (I)
In the case of the chlorine-containing resin composition of the present invention in which a nitrogen-containing compound represented by is added together, it is predicted that the effect of preventing chalking and loss of gloss, and the thermal stability when used individually, respectively. Excellent performance that cannot be achieved.

[0072]

EFFECTS OF THE INVENTION The chlorine-containing resin composition of the present invention is excellent in thermal stability and prevents occurrence of chalking and loss of surface gloss.

Claims (1)

[Claims] 1. 100 parts by weight of a chlorine-containing resin, and (b) at least 0.01 to 10 parts by weight of a copper compound and (b) at least a compound represented by the following general formula (I) A chlorine-containing resin composition obtained by adding 0.01 to 10 parts by weight of one kind. [Chemical 1]