CN103910906A - Composite weather-proof agent and preparation method thereof - Google Patents
Composite weather-proof agent and preparation method thereof Download PDFInfo
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- CN103910906A CN103910906A CN201410133033.3A CN201410133033A CN103910906A CN 103910906 A CN103910906 A CN 103910906A CN 201410133033 A CN201410133033 A CN 201410133033A CN 103910906 A CN103910906 A CN 103910906A
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Abstract
The invention provides a composite weather-proof agent consisting of the following components in parts by weight: 10-80 parts of main antioxidant, 10-80 parts of auxiliary antioxidant, 3-35 parts of light stabilizer and 0.5-25 parts of dispersing agent. The invention further provides a preparation method of the composite weather-proof agent. The composite weather-proof agent provided by the invention can be used for efficiently prolonging the service life of a plastic product, alleviating the degradation speed of the plastic product under the action of oxygen, heat energy, ultraviolet light, rain and the like, so as to keep good physical and mechanical properties and appearance and color effects and the like of the plastic product.
Description
Technical field
The present invention relates to polymeric material field, be specifically related to a kind of compound weather resisting agent and preparation method thereof.
Background technology
Plastics are mainly made up of multipolymer conventionally.Multipolymer is subject to for a long time, under the effect of light or higher-energy, degradation and decomposition easily to occur in air.Because of the variation that decomposition causes, initial notable feature is that color changes, and then product generation embrittlement, causes product performance defective, wasting manpower and material resources.Therefore the weather resistance that, how to improve plastics is thing too impatient to wait.
Plastics are exposed to outdoor, are not the impacts that is subject to single factors, but are subject to the interactional impact of many factors.The factor that affects wherein comprises temperature, oxygen, rainwater, ultraviolet ray etc., and every kind of factor degree of influence difference to it.Therefore, solving weather resistance need to go to solve from many aspects, and will quantize to each aspect.Most weather resisting agent is all to go to solve the weathering resistance of plastics from single aspect in the market, so effect is poor.Although there is the compound weather resisting agent of part to consider multiple factors, because materials are improper and quantize out of true, effect is also not obvious.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide a kind of compound weather resisting agent that makes superpolymer can effectively alleviate aging speed under multiple environment factor acting in conjunction.
In order to realize above object, the technical solution used in the present invention is:
A kind of compound weather resisting agent, its component by following weight part forms:
Primary antioxidant 10-80 part
Auxiliary antioxidant 10-80 part
Photostabilizer 3-35 part
Dispersion agent 0.5-25 part.
Preferably, described primary antioxidant is made up of following one or more materials: four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (code name 1010), β-(3,5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid (code name 1076), 1,3,5-trimethylammonium-2,4,6-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) benzene (code name 330).
Preferably, described auxiliary antioxidant is made up of following one or more materials: tricresyl phosphite (nonyl phenyl ester), thio-2 acid two (octadecyl ester), Whitfield's ointment thio-diethylene glycol esters.
Preferably, described photostabilizer is made up of following one or more materials: ESCALOL 567,2-hydroxyl-4-n-octyloxy-benzophenone, 2-hydroxyl-4-dodecyloxy-benzophenone.
Preferably, described dispersion agent is made up of one or more in ethylene bis stearamide, polyethylene wax, stearic acid, calcium carbonate.
The present invention also provides a kind of preparation method of above-mentioned compound weather resisting agent, comprising: measure each component by above-mentioned, stir.Preferably, each component adds in low-speed mixer and stirs, churning time 5-10 minute after preparing by amount separately.
The invention has the beneficial effects as follows:
The unitized design of compound weather resisting agent component of the present invention and content is reasonable, good weatherability, successful.The present invention adopts primary antioxidant and auxiliary antioxidant to share, and has brought into play the synergistic effect of bi-material.In addition, compound weather resisting agent provided by the invention can efficiently improve the work-ing life of plastics, slow down the speed that degraded occurs plastics under oxygen, heat energy, ultraviolet ray, the multifactor effect such as drench with rain, improve the ultraviolet-resistant aging of plastics, resistance to xanthochromia and resistance toheat, made plastics keep good physical and mechanical properties and appearance color effect etc.
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.In following examples, be raw materials usedly commercially available industrial goods.
Be used for coloured polyvinyl chloride (PVC) product processing and the burn-in test in later stage thereof, the present invention being done test and the contrast of aspect of performance below by compound weather resisting agent provided by the invention.But do not illustrate that compound weather resisting agent provided by the invention only limits to this, compound weather resisting agent of the present invention can also be applied to other resin systems such as other general-purpose plastics, engineering plastics, rubber.
embodiment 1
Prepare the compound weather resisting agent of the present invention according to parts by weight shown in each component in table 1:
Table 1
Preparation method:
According to the parts by weight in formula, all components is added in stirring at low speed cylinder and stirred, churning time is 8 minutes.Gained pale yellow powder is compound weather resisting agent.
Detection method:
1 part of the compound weather resisting agent of preparation is above added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and in injection moulding machine, is injection molded into the approximately sample of 2 ~ 4mm of thickness.
Sample is tested respectively under UV-lamp ageing oven, xenon lamp aging case, blast heating ageing oven and outdoor environment condition, and the performance of gained embodiment 1 is as shown in table 2.
comparative example 1:
Comparative example 1-1: four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester of 1 part is added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and is injection molded into the approximately sample of 2 ~ 4mm of thickness in injection moulding machine.
Comparative example 1-2: two the thio-2 acid of 1 part (octadecyl ester) is added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and is injection molded into the approximately sample of 2 ~ 4mm of thickness in injection moulding machine.
Comparative example 1-3: 1 part of 2-hydroxyl-4-n-octyloxy-benzophenone is added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and is injection molded into the approximately sample of 2 ~ 4mm of thickness in injection moulding machine.
Comparative example sample 1 ~ 3 is tested respectively under UV-lamp ageing oven, xenon lamp aging case, blast heating ageing oven and outdoor environment condition.Gained performance is as shown in table 2.
Table 2
As can be seen from Table 2, the compound weather resisting agent of preparing by technology of the present invention is compared with comparative example, and compound weather resisting agent of the present invention can improve the ultraviolet-resistant aging of goods, resistance to xanthochromia, resistance toheat simultaneously and improve the work-ing life under the outdoor service condition of goods.And comparative example is owing to only adopting single material, therefore can only improve certain performance, under environment comprehensive effect, effect is very small out of doors.
embodiment 2
Prepare the compound weather resisting agent of the present invention according to parts by weight shown in each component in table 3:
Table 3
Preparation method:
According to the parts by weight in formula, all components is added in stirring at low speed cylinder and stirred, churning time is 8 minutes.Gained pale yellow powder is compound weather resisting agent.
Detection method:
1 part of the compound weather resisting agent of preparation is above added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and in injection moulding machine, is injection molded into the approximately sample of 2 ~ 4mm of thickness.
Sample is tested respectively under UV-lamp ageing oven, xenon lamp aging case, blast heating ageing oven and outdoor environment condition, and the performance of gained embodiment 2 is as shown in table 4.
comparative example 2:
Comparative example 2-1: the positive octadecanol ester of the β of 1 part-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid is added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and is injection molded into the approximately sample of 2 ~ 4mm of thickness in injection moulding machine.
Comparative example 2-2: by two the thio-2 acid of 0.5 part (octadecyl ester) and 0.5 part 1,3,5-trimethylammonium-2,4,6-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) benzene is added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and in injection moulding machine, is injection molded into the approximately sample of 2 ~ 4mm of thickness.
Comparative example 2-3: by 0.5 part of 2-hydroxyl-4-n-octyloxy-benzophenone and 0.5 part of four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is added in 100 parts of PVC sizing compound formula systems, and heat is mixed to add after even and in injection moulding machine, is injection molded into the approximately sample of 2 ~ 4mm of thickness.
The sample of comparative example 2-1,2-2,2-3 is tested respectively under UV-lamp ageing oven, xenon lamp aging case, blast heating ageing oven and outdoor environment condition, and gained performance is as shown in table 4.
Table 4
As can be seen from Table 4, the compound weather resisting agent of preparing by technology of the present invention is compared with comparative example, and compound weather resisting agent of the present invention can improve the ultraviolet-resistant aging of goods, resistance to xanthochromia, resistance toheat simultaneously and improve the work-ing life under the outdoor service condition of goods.And the scheme that comparative example adopts is considered thoroughly not, comparative example 2-1 adopts single-material, therefore performance inconsistency lattice.Comparative example 2-2 adopts primary antioxidant and auxiliary antioxidant to share, although brought into play the synergistic effect of bi-material, greatly increase ageing-resistant effect, but do not consider the impact of ultraviolet ray on resin system, so effect is not best, therefore can only improve certain performance, under environment comprehensive effect, effect is very small out of doors.Comparative example 2-3 has adopted phosphite ester kind antioxidant with ultraviolet inhibitor, but does not consider to share with Hinered phenols material the effect that improves oxidation inhibitor, and therefore effect is also bad.On the basis of comparative example experiment, the present invention further optimizes, and has obtained best weathering resistance.
embodiment 3
Prepare the compound weather resisting agent of the present invention according to parts by weight shown in each component in table 5:
Table 5
Preparation method:
According to the parts by weight in formula, all components is added in stirring at low speed cylinder and stirred, churning time is 5 minutes.Gained pale yellow powder is compound weather resisting agent.
embodiment 4
Prepare the compound weather resisting agent of the present invention according to parts by weight shown in each component in table 6:
Table 6
Preparation method:
According to the parts by weight in formula, all components is added in stirring at low speed cylinder and stirred, churning time is 10 minutes.Gained pale yellow powder is compound weather resisting agent.
Above-mentioned making method and formula just illustrate technical thought of the present invention and feature, its objective is and allow those skilled in the art understand content of the present invention and to implement.The equivalence done of with good grounds spirit of the present invention change, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. a compound weather resisting agent, is characterized in that, described compound weather resisting agent is made up of the component of following weight part:
Primary antioxidant 10-80 part
Auxiliary antioxidant 10-80 part
Photostabilizer 3-35 part
Dispersion agent 0.5-25 part.
2. compound weather resisting agent according to claim 1, it is characterized in that, described primary antioxidant is made up of following one or more materials: four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the positive octadecanol ester of β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid, 1,3,5-trimethylammonium-2,4,6-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) benzene.
3. compound weather resisting agent according to claim 1, is characterized in that, described auxiliary antioxidant is made up of following one or more materials: tricresyl phosphite (nonyl phenyl ester), thio-2 acid two (octadecyl ester), Whitfield's ointment thio-diethylene glycol esters.
4. compound weather resisting agent according to claim 1, it is characterized in that, described photostabilizer is made up of following one or more materials: ESCALOL 567,2-hydroxyl-4-n-octyloxy-benzophenone, 2-hydroxyl-4-dodecyloxy-benzophenone.
5. compound weather resisting agent according to claim 1, is characterized in that, described dispersion agent is made up of one or more in ethylene bis stearamide, polyethylene wax, stearic acid, calcium carbonate.
6. a preparation method for compound weather resisting agent claimed in claim 1, is characterized in that, by the each component of measuring of claim 1, stirs.
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| CN201410133033.3A CN103910906A (en) | 2014-04-03 | 2014-04-03 | Composite weather-proof agent and preparation method thereof |
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| CN201410133033.3A CN103910906A (en) | 2014-04-03 | 2014-04-03 | Composite weather-proof agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947234A (en) * | 2017-04-28 | 2017-07-14 | 中昊(大连)化工研究设计院有限公司 | Preparation method for the composite assistant in polycarbonate modified |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115643A (en) * | 2010-12-31 | 2011-07-06 | 广州鹿山新材料股份有限公司 | Novel solar cell packaging adhesive film |
| CN102276915A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Plastic special for optical fiber junction box and preparation method thereof |
| CN103146028A (en) * | 2013-03-08 | 2013-06-12 | 江西吉祥新材料有限公司 | Additive composition for polyolefin and application of additive composition as well as polyolefin combustion |
-
2014
- 2014-04-03 CN CN201410133033.3A patent/CN103910906A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115643A (en) * | 2010-12-31 | 2011-07-06 | 广州鹿山新材料股份有限公司 | Novel solar cell packaging adhesive film |
| CN102276915A (en) * | 2011-07-18 | 2011-12-14 | 余姚市中发工程塑料有限公司 | Plastic special for optical fiber junction box and preparation method thereof |
| CN103146028A (en) * | 2013-03-08 | 2013-06-12 | 江西吉祥新材料有限公司 | Additive composition for polyolefin and application of additive composition as well as polyolefin combustion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947234A (en) * | 2017-04-28 | 2017-07-14 | 中昊(大连)化工研究设计院有限公司 | Preparation method for the composite assistant in polycarbonate modified |
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