CN102321275A - Mildew-proof agent for plastics and preparation method for mildew-proof agent - Google Patents
Mildew-proof agent for plastics and preparation method for mildew-proof agent Download PDFInfo
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- CN102321275A CN102321275A CN 201110335630 CN201110335630A CN102321275A CN 102321275 A CN102321275 A CN 102321275A CN 201110335630 CN201110335630 CN 201110335630 CN 201110335630 A CN201110335630 A CN 201110335630A CN 102321275 A CN102321275 A CN 102321275A
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- mildew
- plastics
- proof agent
- tinidazole
- mould inhibitor
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Abstract
The invention discloses a mildew-proof agent for plastics, and relates to the field of auxiliary materials for the plastics. The mildew-proof agent for the plastics is characterized by consisting of 40 to 60 percent of tinidazole and 40 to 60 percent of ketoconazole. The tinidazole and the ketoconazole are uniformly mixed in the ratio according to a multiple proportion increasing principle, and the mixture is dissolved in chloroform at 220DEG C, and is mixed with a plastic polymer in a ratio of 1:(5-10) to form activated mildew-proof masterbatch. The mildew-proof agent for the plastics has low toxicity, high efficiency and high thermal stability.
Description
Summary of the invention:
Technical field: the auxiliary material field that the present invention relates to plastics.
Background technology:
In the daily life, plastics are subject to the destruction of sunlight, oxygen and mikrobe, and phenomenons such as aging, fracture, mildew and long algae take place, and cause the inconvenience in the use.In order to prevent the influence of sunlight, oxygen, in plastics, add other auxiliary agents such as various oxidation inhibitor, ultraviolet absorbers and softening agent usually to plastics.Yet these auxiliary agents be used for the plastics that microorganism growth provides sufficient nutrient composition, particularly outdoor use, be easy to receive the erosion of mould and algae.So plastics must add enough Antisepticize and mildew preventives simultaneously, to keep attractive in appearance and to prolong its work-ing life.
Mould inhibitor is meant mould had and kills or restraining effect, prevents the preparation that application goes mouldy.Mould inhibitor staple: quaternary ammonium salt derivative, card pine, tensio-active agent, synergistic agent etc.Can prevent that mikrobe from causing mouldy medicament.Phenols (like phenol), chlorophenols (like Woodtreat A), organic mercury salt (like phenyl mercury oleate), organic copper salt (like copper 8-quinolinolate), organic tin salt (like chlorination three second or tributyl tin etc.) are arranged, reach inorganic salt copper sulfate, mercury chloride, Sodium Fluoride etc.Be used for plastic material etc.
The plastics mould inhibitor is divided into inorganic and organic two types, has following shortcoming: heavy metal content is high, and not environmental protection causes detrimentally affect to human body; Heat resisting temperature is not high, variable color easily; Perhaps mildew-proof function is not strong.Therefore, the low toxicity of development of new, efficient, the plastics of Heat stability is good seem particularly important with mould inhibitor.
The objective of the invention is to design a kind of low toxicity, efficient, the plastics of Heat stability is good are used mould inhibitor.
Technical scheme of the present invention is: with the 40-60% tinidazole, the 40-60% KETOKONAZOL increases progressively the principle mixing according to ratio according to multiple proportions, is dissolved in the chloroform, at 220 ℃, mixes with plastic polymer 1:5～10, processes activated mildew-resistant master batch.
Principle of the present invention: KETOKONAZOL is the imidazoles antifungal drug, has antibacterial and germicidal action to dermophyte, yeast (Candida, Pityrosporum, Torulopsis, genera cryptococcus), two-phase fungi and Eumycetes; Its mechanism of action is the activity that high selectivity disturbs the cytochrome P-450 of fungi, thereby suppresses the biosynthesizing of fungal cell membrane ergosterol, influences the permeability of cytolemma, suppresses its growth.KETOKONAZOL is the off-white color crystalline powder; Odorless, tasteless.In chloroform, be prone to dissolve, fusing point is 147～151 ℃.Tinidazole belongs to nitro glyoxaline.Protozoon (amoeba histolytica, trichomonas vaginitis etc.) and anerobes are had excellent activity, and its mechanism of action synthesizes, also can get in the cell fast for suppressing pathogenic agent DNA.Tinidazole is white or faint yellow crystallization or crystalline powder, in acetone or chloroform, dissolves, and fusing point is 125～129 ℃.Two kinds of medicine antibacterial effects are remarkable, and low toxicity is thermally-stabilised good; Simultaneously, the antibiotic general difference of these two kinds of medicines can enlarge antibacterial range.
The invention has the beneficial effects as follows:
The mildew-resistant plastics that adopt plastics of the present invention to process with mould inhibitor, with reference to ASTM G21-96 " mensuration of synthesized polymer material antifungal property ", from heatproof, water-fastly wash, security, discolouration four big factors investigate, and be all qualified.The mildew-resistant plastics that adopt plastics of the present invention to process with mould inhibitor can prevent effectively that mikrobe or mould from breeding on plastics, avoid the harm to food and clothes of mikrobe or mould.The present invention is a kind of low toxicity, and efficient, the plastics of Heat stability is good are used mould inhibitor.
Practical implementation method of the present invention:
(1) with 40% tinidazole, 60% KETOKONAZOL increases progressively the principle mixing according to ratio according to multiple proportions, is dissolved in the chloroform, and at 220 ℃, 1:5 mixes with plastic polymer, processes activated mildew-resistant master batch.
(2) with 60% tinidazole, 40% KETOKONAZOL increases progressively the principle mixing according to ratio according to multiple proportions, is dissolved in the chloroform, and at 220 ℃, 1:5 mixes with plastic polymer, processes activated mildew-resistant master batch.
(3) with 40% tinidazole, 60% KETOKONAZOL increases progressively the principle mixing according to ratio according to multiple proportions, is dissolved in the chloroform, and at 220 ℃, 1:10 mixes with plastic polymer, processes activated mildew-resistant master batch.
(4) with 60% tinidazole, 40% KETOKONAZOL increases progressively the principle mixing according to ratio according to multiple proportions, is dissolved in the chloroform, and at 220 ℃, 1:10 mixes with plastic polymer, processes activated mildew-resistant master batch.
Claims (2)
1. plastics are used mould inhibitor, it is characterized in that: said mould inhibitor is by the 40-60% tinidazole, and the 40-60% KETOKONAZOL is formed.
2. according to the plastics of claims 1 preparation method with mould inhibitor, it is characterized in that: said tinidazole and KETOKONAZOL increase progressively the principle mixing according to ratio according to multiple proportions; Be dissolved in the chloroform; At 220 ℃, mix with plastic polymer 1:5～10, process activated mildew-resistant master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110335630 CN102321275A (en) | 2011-10-31 | 2011-10-31 | Mildew-proof agent for plastics and preparation method for mildew-proof agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110335630 CN102321275A (en) | 2011-10-31 | 2011-10-31 | Mildew-proof agent for plastics and preparation method for mildew-proof agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102321275A true CN102321275A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110335630 Pending CN102321275A (en) | 2011-10-31 | 2011-10-31 | Mildew-proof agent for plastics and preparation method for mildew-proof agent |
Country Status (1)
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| CN (1) | CN102321275A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409066A (en) * | 2013-07-24 | 2013-11-27 | 吴江市利达上光制品有限公司 | Mildew inhibitor used for shoe polish |
| CN104530479A (en) * | 2014-12-19 | 2015-04-22 | 江苏华宏实业集团有限公司 | Antibacterial agent for antibacterial plastic |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294145A (en) * | 1999-11-02 | 2001-05-09 | 海尔科化工程塑料国家工程研究中心有限公司 | Resin composition containing antibacterial mildew inhibitor and its preparing process |
-
2011
- 2011-10-31 CN CN 201110335630 patent/CN102321275A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294145A (en) * | 1999-11-02 | 2001-05-09 | 海尔科化工程塑料国家工程研究中心有限公司 | Resin composition containing antibacterial mildew inhibitor and its preparing process |
Non-Patent Citations (2)
| Title |
|---|
| 《工业杀菌剂》 20010531 陈仪本等 6.2.7塑料工业 化学工业出版社 p252-253 1-2 , 第1版 * |
| 《工程塑料应用》 20001231 毛园兵等 抗菌防霉母粒及其塑料的制备和性能研究 p4-7 1-2 第28卷, 第4期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409066A (en) * | 2013-07-24 | 2013-11-27 | 吴江市利达上光制品有限公司 | Mildew inhibitor used for shoe polish |
| CN104530479A (en) * | 2014-12-19 | 2015-04-22 | 江苏华宏实业集团有限公司 | Antibacterial agent for antibacterial plastic |
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Application publication date: 20120118 |