CN113929972A - Ternary composite organic acid rare earth heat stabilizer - Google Patents
Ternary composite organic acid rare earth heat stabilizer Download PDFInfo
- Publication number
- CN113929972A CN113929972A CN202010676572.7A CN202010676572A CN113929972A CN 113929972 A CN113929972 A CN 113929972A CN 202010676572 A CN202010676572 A CN 202010676572A CN 113929972 A CN113929972 A CN 113929972A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- organic acid
- acid
- parts
- ternary
- 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.)
- Pending
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 43
- -1 organic acid rare earth Chemical class 0.000 title claims abstract description 41
- 239000012760 heat stabilizer Substances 0.000 title claims abstract description 28
- 239000011206 ternary composite Substances 0.000 title claims abstract description 23
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 6
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 6
- 239000008116 calcium stearate Substances 0.000 claims abstract description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 claims description 4
- 239000003017 thermal stabilizer Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 2
- 239000005639 Lauric acid Substances 0.000 claims description 2
- 239000001361 adipic acid Substances 0.000 claims description 2
- 235000011037 adipic acid Nutrition 0.000 claims description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 2
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 2
- 238000003760 magnetic stirring Methods 0.000 claims description 2
- 239000001630 malic acid Substances 0.000 claims description 2
- 235000011090 malic acid Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- CFYGEIAZMVFFDE-UHFFFAOYSA-N neodymium(3+);trinitrate Chemical compound [Nd+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CFYGEIAZMVFFDE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- YZDZYSPAJSPJQJ-UHFFFAOYSA-N samarium(3+);trinitrate Chemical compound [Sm+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YZDZYSPAJSPJQJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 231100000956 nontoxicity Toxicity 0.000 abstract description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- IQFVPQOLBLOTPF-HKXUKFGYSA-L congo red Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(/N=N/C3=CC=C(C=C3)C3=CC=C(C=C3)/N=N/C3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)N)=CC(S([O-])(=O)=O)=C21 IQFVPQOLBLOTPF-HKXUKFGYSA-L 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000007521 triprotic acids Chemical class 0.000 description 1
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- 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
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- 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
- C08K5/07—Aldehydes; Ketones
-
- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic 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
- C08K5/16—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
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention provides a ternary composite organic acid rare earth composite heat stabilizer which comprises the following components in parts by weight: 35-55 parts of ternary composite organic acid rare earth salt, 16-40 parts of calcium stearate, 4-10 parts of zinc stearate, 15-25 parts of pentaerythritol and 8-15 parts of beta-diketone. The composite rare earth heat stabilizer with excellent thermal stability, no toxicity and environmental protection is obtained by compounding the designed and synthesized ternary composite organic acid rare earth salt with other heat stabilizers.
Description
Technical Field
The invention belongs to the field of PVC (polyvinyl chloride) heat stabilizers, and relates to a ternary composite organic acid rare earth heat stabilizer.
Background
Polyvinyl chloride (PVC) resin has excellent comprehensive performance and wide application, is degraded in the processing process due to poor thermal stability, so that the performance of the product is reduced, a heat stabilizer is required to be added in the processing process to prevent thermal degradation, the rare earth heat stabilizer is a heat stabilizer variety with a very promising prospect, the rare earth resources in China are rich, and the development and the utilization of the rare earth heat stabilizer have become a necessary trend.
At present, a single rare earth heat stabilizer is prepared more, has good long-term stability and good light stability, but has poor early-stage stability, and can not reach the standard required by the current processing and later-stage service performance when being used alone, and the preparation and compounding of the multi-component organic acid rare earth heat stabilizer have higher value in the actual industrial production.
The invention provides a ternary composite organic acid rare earth heat stabilizer, which integrates the performances of various stabilizers, improves the heat stability and achieves the effects of multiple functions, no toxicity and environmental protection.
Disclosure of Invention
The invention aims to provide a ternary composite organic acid rare earth composite heat stabilizer, which is prepared by compounding a designed and synthesized ternary composite organic acid rare earth salt with other heat stabilizers, and is excellent in heat stability, non-toxic and environment-friendly.
In order to realize the purpose, the invention adopts the technical scheme that:
a ternary composite organic acid rare earth heat stabilizer comprises the following components in parts by weight: 35-55 parts of ternary composite organic acid rare earth salt, 16-40 parts of calcium stearate, 4-10 parts of zinc stearate, 15-25 parts of pentaerythritol and 8-15 parts of beta-diketone.
Preferably, the preparation method of the ternary complex organic acid rare earth salt comprises the following steps:
(1) accurately weighing a rare earth compound, dissolving the rare earth compound in deionized water, weighing lauric acid, a binary organic acid and a ternary organic acid, mixing according to a molar ratio of 1.5: 1: 0.5, dissolving the mixture in an ethanol water solution to prepare a mixed acid solution, and dissolving a certain amount of sodium hydroxide in deionized water to obtain a NaOH solution with the required concentration;
(2) placing the rare earth compound and the mixed acid solution into a reaction container, controlling the reaction temperature to be 70-80 ℃, carrying out magnetic stirring, slowly dropwise adding a sodium hydroxide solution into the reaction container by using a dropping funnel, reacting for 50-70 min, and then continuously heating and stirring for 30 min;
(3) and (3) cooling to room temperature after the reaction is stopped, washing for 2-3 times by using hot ethanol and distilled water respectively, placing the obtained precipitate in a constant-temperature drying oven, drying for 4 hours at the temperature of 80 ℃, and fully grinding to obtain white powder to obtain the ternary composite organic acid rare earth salt.
Preferably, the rare earth compound is one or a mixture of more of lanthanum nitrate, samarium nitrate, cerium nitrate and neodymium nitrate.
Preferably, the dibasic organic acid is one or more of malic acid, adipic acid, dodecanedioic acid and tetradecanedioic acid.
Preferably, the triprotic acid comprises one or two of citric acid and cyanuric acid.
The invention has the following beneficial effects:
(1) the main component of the heat stabilizer is ternary composite organic acid rare earth salt, so that the comprehensive heat stabilization effect is good;
(2) the heat stabilizer disclosed by the invention is used for compounding the multi-element composite organic acid rare earth, calcium-zinc metal soap and other auxiliary heat stabilizers, and the obtained heat stabilizer has the advantages of excellent heat stability, no toxicity, environmental friendliness, good compatibility with PVC and the like;
(3) the heat stabilizer of the invention has simple preparation method and low cost, and can be widely applied to the processing of various PVC products.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
A ternary composite organic acid rare earth heat stabilizer comprises the following components in parts by weight: 35Kg of lauric acid-adipic acid-cyanuric acid ternary composite organic acid rare earth lanthanum salt, 28 Kg of calcium stearate, 7 Kg of zinc stearate, 20 Kg of pentaerythritol and 10 Kg of beta-diketone.
In order to verify the thermal stability of the thermal stabilizers prepared in the examples, 100 parts by mass of PVC and 5 parts by mass of thermal stabilizer were mixed and tested by the congo red method according to the GB/T2917-2002 standard. The test result shows that: the thermal stabilization time was 65 min.
Example 2
A ternary composite organic acid rare earth heat stabilizer comprises the following components in parts by weight: 40 Kg of lauric acid-dodecanedioic acid-citric acid ternary composite organic acid rare earth lanthanum salt, 22 Kg of calcium stearate, 6 Kg of zinc stearate, 20 Kg of pentaerythritol and 12 Kg of beta-diketone.
The test method is the same as that of example 1, and the test result shows that: the thermal stabilization time was 73 min.
Example 3
A ternary composite organic acid rare earth heat stabilizer comprises the following components in parts by weight: 52Kg of lauric acid-adipic acid-cyanuric acid ternary composite organic acid rare earth lanthanum salt, 20 Kg of calcium stearate, 5Kg of zinc stearate, 15 Kg of pentaerythritol and 8 Kg of beta-diketone.
The test method is the same as that of example 1, and the test result shows that: the thermal stabilization time was 80 min.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The ternary composite organic acid rare earth heat stabilizer is characterized by comprising the following components in parts by weight: 35-55 parts of ternary composite organic acid rare earth salt, 16-40 parts of calcium stearate, 4-10 parts of zinc stearate, 15-25 parts of pentaerythritol and 8-15 parts of beta-diketone.
2. The ternary complex organic acid rare earth thermal stabilizer according to claim 1, wherein the preparation step of the ternary complex organic acid rare earth salt comprises the following steps:
(1) accurately weighing a rare earth compound, dissolving the rare earth compound in deionized water, weighing lauric acid, a binary organic acid and a ternary organic acid, mixing according to a molar ratio of 1.5: 1: 0.5, dissolving the mixture in an ethanol water solution to prepare a mixed acid solution, and dissolving a certain amount of sodium hydroxide in deionized water to obtain a NaOH solution with the required concentration;
(2) placing the rare earth compound and the mixed acid solution into a reaction container, controlling the reaction temperature to be 70-80 ℃, carrying out magnetic stirring, slowly dropwise adding a sodium hydroxide solution into the reaction container by using a dropping funnel, reacting for 50-70 min, and then continuously heating and stirring for 30 min;
(3) and (3) cooling to room temperature after the reaction is stopped, washing for 2-3 times by using hot ethanol and distilled water respectively, placing the obtained precipitate in a constant-temperature drying oven, drying for 4 hours at the temperature of 80 ℃, and fully grinding to obtain white powder to obtain the ternary composite organic acid rare earth salt.
3. The ternary composite organic acid rare earth heat stabilizer according to claim 2, wherein the rare earth compound is one or a mixture of lanthanum nitrate, samarium nitrate, cerium nitrate and neodymium nitrate.
4. The ternary complex organic acid rare earth heat stabilizer according to claim 2, wherein the binary organic acid is one or more of malic acid, adipic acid, dodecanedioic acid and tetradecanedioic acid.
5. The ternary complex organic acid rare earth thermal stabilizer according to claim 2, wherein the ternary acid comprises one or two of citric acid and cyanuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676572.7A CN113929972A (en) | 2020-07-14 | 2020-07-14 | Ternary composite organic acid rare earth heat stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676572.7A CN113929972A (en) | 2020-07-14 | 2020-07-14 | Ternary composite organic acid rare earth heat stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113929972A true CN113929972A (en) | 2022-01-14 |
Family
ID=79274092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010676572.7A Pending CN113929972A (en) | 2020-07-14 | 2020-07-14 | Ternary composite organic acid rare earth heat stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113929972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644777A (en) * | 2022-04-20 | 2022-06-21 | 黄山佳宝新材料科技有限公司 | Rare earth heat stabilizer for high-transparency PVC (polyvinyl chloride) product and preparation method thereof |
-
2020
- 2020-07-14 CN CN202010676572.7A patent/CN113929972A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644777A (en) * | 2022-04-20 | 2022-06-21 | 黄山佳宝新材料科技有限公司 | Rare earth heat stabilizer for high-transparency PVC (polyvinyl chloride) product and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103073826B (en) | Rare-earth composite heat stabilizer for hard PVC (Polyvinyl Chloride) | |
| CN101041729B (en) | (PVC) nontoxic calcium zinc heat stabilizer composition and preparation method thereof | |
| CN105482218A (en) | Production process of composite heat stabilizer with zinc calcium cyanurate as matrix | |
| CN102627575A (en) | Rare earth complex and its preparation method and use | |
| CN113929972A (en) | Ternary composite organic acid rare earth heat stabilizer | |
| CN101041728A (en) | Preparation method for (PVC) nontoxic calcium zinc heat stabilizer and uses thereof | |
| CN107082974B (en) | The preparation method of rare earth composite PVC heat stabilizer | |
| CN101831120B (en) | Compounding method for doping light rare-earth non-toxic heat stabilizer during processing polyvinyl chloride plastic | |
| CN101343389B (en) | Low-plumbum high-efficiency compound stabilizer for polyvinyl chloride and preparation thereof | |
| CN102863734A (en) | Flame-retardant ABS (Acrylonitrile Butadiene Styrene) compound and preparation method thereof | |
| CN111560112B (en) | Phosphorus-containing triazole organic amine salt flame-retardant curing agent and application thereof in epoxy resin | |
| CN103333327A (en) | Phosphorus-containing flame-retardant alkyd resin and preparation method thereof | |
| CN105295243A (en) | Hydrotalcite-oleic acid rare earth composite environmental protection stabilizer for PVC, and preparation method thereof | |
| CN105295246A (en) | Hydrotalcite-lanthanum cyanurate composite environmental protection stabilizer for PVC, and preparation method thereof | |
| CN110256783B (en) | Calcium-zinc stabilizer for PVC (polyvinyl chloride) and preparation process thereof | |
| CN105295251A (en) | Hydrotalcite-maleic acid rare earth composite environmental protection stabilizer for PVC, and preparation method thereof | |
| CN103435944A (en) | Environment-friendly calcium-zinc composite heat stabilizer | |
| CN115073499B (en) | Antibacterial rare earth compound and application thereof | |
| CN109306133B (en) | Imidazole carboxylic acid rare earth composite heat stabilizer for PVC and preparation method thereof | |
| CN105295245A (en) | Hydrotalcite-zinc glutarate composite environmental protection stabilizer for PVC, and preparation method thereof | |
| CN108383861B (en) | Zinc-containing complex, preparation method thereof and plastic auxiliary agent containing zinc-containing complex | |
| CN113444328B (en) | PVC (polyvinyl chloride) main stabilizer, composite heat stabilizer for PVC and PVC | |
| CN114196075B (en) | Melamine hypophosphite modified lignin coated aluminum hypophosphite flame retardant, preparation method thereof and application thereof in PA66 | |
| CN105295218A (en) | Hydrotalcite and lanthanum ricinoleate composite environmental-protection stabilizer for PVC and preparation method thereof | |
| CN103614084A (en) | High temperature resistant pre-coating type anaerobic adhesive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220114 |
|
| WD01 | Invention patent application deemed withdrawn after publication |