CN85101828A - The polypropylene resin composite of stable radiation - Google Patents
The polypropylene resin composite of stable radiation Download PDFInfo
- Publication number
- CN85101828A CN85101828A CN198585101828A CN85101828A CN85101828A CN 85101828 A CN85101828 A CN 85101828A CN 198585101828 A CN198585101828 A CN 198585101828A CN 85101828 A CN85101828 A CN 85101828A CN 85101828 A CN85101828 A CN 85101828A
- Authority
- CN
- China
- Prior art keywords
- tert
- peroxide
- polypropylene resin
- resin composite
- butyl
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Here a kind of stable radiation polypropylene resin composite of Jie Shiing has outstanding transparency.It contains acrylic resin, and contains the special glucitol derivative of the acrylic resin 0.005 to 8 part (weight) of per 100 weight parts, the special phosphite compound of 0.01-4 part (weight) and the special polyamino compound of 0.01-4 part (weight).This resin combination is in the presence of organo-peroxide, and 190 ℃-270 ℃ are carried out thermal destruction to needed melt index, can obtain good moulding flowability.
Description
The present invention is relevant a kind of polypropylene resin composite to stable radiation.
It is good resin that acrylic resin requires from hygiology, and its goods are transparent, can make the outside of container and see built-in thing.Therefore be widely used as on the similar purposes such as food product containers, medicament reservoir and medical equipment.
Application at aspects such as food product containers, medical containers, whether have dust and other external things sneak in the article of container in packing, also wish to be checked through the color of container contents simultaneously if importantly can be checked through, and the not detrimentally affect of receptor.
Therefore, above-mentioned Application Areas, requirement improves the transparency of container, apparatus etc.These containers, apparatus are made by acrylic resin.
Moreover article such as food product containers, medical container, medical equipment needed disinfection before using.Sterilization generally adopts steam or has high bactericidal hydrogen peroxide, ethylene oxide gas or the like.
Sterilization by irradiation promptly is to be exposed to carry out sterilization in the radiation, and is developed in recent years, and is applied to the sterilization of food product containers and medical container, apparatus more and more.
Acrylic resin is stable for steam and gas depoisoning, but its shortcoming is stable bad to sterilization by irradiation, and flavescence and performance are damaged gradually.
Particularly the shock strength of acrylic resin reduces half than being subjected to pre-irradiation after being subjected to irradiation.With the acrylic resin reheat, the destruction of this performance is more remarkable behind irradiation.Promote the fragility of acrylic resin thus, caused brittle crush.
Destroyed for avoiding acrylic resin performance after being subjected to irradiation.Can in acrylic resin, add some specific stablizers.The for example single adding triarylphosphite of known available, triarylphosphite and hindered phenol type antioxidant logotype, or triarylphosphite and a kind of hindered amine type light and the logotype of weather aging stabilizer.(seeing the open NO.179234/1982 of Japanese Patent).
But, add triarylphosphite separately, for example three (2, the 5-di-tert-butyl-phenyl) phosphorous acid esters or three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester is gone back deficiency so that the acrylic resin goods can anti-irradiation.Therefore also require and other stablizer logotype mutually.But, the oxidation inhibitor logotype mutually of this triaryl phosphate and a kind of hindered phenol type, as 2,6-di-tert-butyl methyl phenol or four (methylene-3-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester) methane is if add enough amounts, make behind irradiation, and then after irradiation just heats, keep the stability of goods, then cause the jaundice of acrylic resin moulded product.
When triarylphosphite and a kind of hindered amine type light and weather aging stabilizer, as two (2.2.6.6-tetramethyl--4-piperidyl) sebate, N, polymkeric substance or a kind of diformazan stem succinate and 2-(4-hydroxyl-2.2.2.6.6-tetramethyl--piperidino of N '-two (2.2.6.6-tetramethyl--4-piperidyl) hexamethylene diamine) ethanol logotype mutually.Make the moulding product of acrylic resin have satisfied irradiation stability, the flavescence problem does not take place, but aspect transparent, problem is arranged still.
In the scheme of various logotypes, three (2, the 4-tert-butyl-phenyl) phosphorous acid ester and N, N '-two-(2,2,6,6-tetramethyl--4-piperidyl) hexamethylene diamine polymkeric substance radiation resistance is fine.Since these stablizer safety, the composition that these stablizer logotypes are made, and in the application of food product containers and medical facilities, except the transparency, applicable cases is fine.
Although the acrylic resin goods of these stablizers of adding of pointing out above have good anti-radiation property, but they nearly all are opaque, deposit article or chemical with these goods, as food product containers, medical container, medicine equipment such as syringe or the like, then exist the critical defect of poor transparency, not only can not easily detect foul or other exotics that is mixed in the content immediately, and the original color that can not observe out content.
Recently, in order to reduce cost.Need method with injection moulding make that wall is thin, the moulded work of MULTILAYER COMPOSITE, so just require polypropylene resin composite to have high moulding flowability.
One of task of the present invention provides a kind ofly is not damaged and has the polypropylene resin composite of the superior transparency stable radiation, not flavescence, performance.
Another task of the present invention is to propose a kind of radioprotective, non-yellowing, and performance is not damaged, and has the polypropylene resin composite of the good transparency and processing fluidity.
Other tasks of the present invention will clearly reflect from the following description.
The present invention proposes following polypropylene resin composite:
A kind of polypropylene resin composite to stable radiation has the good transparency, is made up of following:
(a) a kind of acrylic resin;
(b) a kind of glucitol derivative of representing of following molecular formula;
R is the alkyl of a hydrogen atom or a carbonatoms 1-18 in the formula;
(c) a kind of bi-ester of phosphite of representing with following molecular formula:
R in the formula
1Be the tertiary butyl, 1,1-dimethyl propyl, cyclohexyl or phenyl, R
2Represent a hydrogen atom or monomethyl, the tertiary butyl, 1,1-dimethyl propyl, cyclohexyl or phenyl.
(d) a kind of polyamino compound of representing with following formula:
N represents the integer of average 1-40 in the formula.
Above-mentioned (b) (c) and (d) content of compound is respectively 0.005-8 part by weight, and 0.01-4 part and 0.01-4 part are basic calculation with acrylic resin (a) all.
The moulding of above-mentioned resin combination is mobile availablely to be carried out thermal destruction with resin and further improves, and degraded is to have in the presence of a kind of organo-peroxide (e), and temperature is carried out for 190 °-270 ℃.
Detailed description of the invention
Be applicable to that acrylic resin of the present invention can be an alfon, propylene-ethylene copolymers, therein ethylene content are 0.1-7%(weight), the propylene-alpha olefin multipolymer, its wherein alpha-olefin content be 0.1-20%(weight) and can contain ethene etc.Acrylic resin can be the blend of these polymkeric substance in addition.These alpha-olefins are relatively good to be to contain the 4-8 carbon atom, butene-1, and hexene-1 and 4-first stem amylene-1 are item better.
The glucitol derivative represented as the molecule formula I, in enforcement of the present invention of great use, its example comprises: diphenylmethylene sorbyl alcohol, 1.3,2.4-two (methylbenzene methylene radical) sorbyl alcohol, 1.3, two 2.4-(ethylbenzene methylene radical) sorbyl alcohol, 1.3,2.4 two (hexyl benzene methylene radical) sorbyl alcohol, 1.3,2.4 2 (propylbenzene methylene radical) sorbyl alcohol.1.3,2.4-two (butylbenzene methylene radical) sorbyl alcohol, 1.3,2.4 two (hexyl benzene methylene radical) sorbyl alcohol or the like.The compound of each above-mentioned example all has three isomer, i.e. ortho position, a position, contraposition is decided by the position of substituent R in the molecule formula I.But these foreign matters do not have difference in essence on performance.From angle of practice, the contraposition isomer is because of more preferable than being easier to acquisition.
The add-on of glucitol derivative can be the 0.005-8 weight part, is preferably the 0.01-8 parts by weight, preferably then is the 0.05-1 weight part, and above-mentioned umber is that 100 weight parts are counted the basis with acrylic resin all.
When addition is less than 0.005 parts by weight, can not improve the transparency to effective degree, and if the parts by weight that add greater than 8 parts, phenomenon will appear separating out.So it is bad that the add-on of glucitol derivative exceeds the scope of recommendation.
It can be three (2 that phosphorous acid ester typical case shown in the molecule formula II is used for the present inventor, the 5-di-tert-butyl-phenyl) phosphorous acid ester, three (2-tert-butyl-phenyl) phosphorous acid ester, three (2(1,1-dimethyl propyl) phenyl) phosphorous acid ester, three (2-phenyl) phosphorous acid ester, three (2-cyclohexyl phenyl) phosphorous acid ester, three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, three (the 2-tertiary butyl-4-phenyl) phosphorous acid ester or the like.
The add-on of phosphorous acid ester is the 0.01-4 weight part, and preferably the 0.02-2 weight part is less than 0.01 if add parts by weight, to the not significantly performance of radiation-resistant stabilizing effect.And during greater than 4 weight parts, its antiradiation effect is no longer to continue to increase, but causes having increased price.This is when not expecting.
The molecule formula III is a polyamino compound, and the umber that is used for the present invention's interpolation is the 0.01-4 weight part, preferably the 0.02-2 weight part.Do not provide when being less than 0.01 weight part any stability of radiating, during greater than 4 parts, do not increase antiradiation effect, but improved price, that yes is undesirable for this.
Organo-peroxide can be the tert-butyl hydroperoxide pivalate, lauroyl peroxide, benzoyl peroxide, cyclohexanone peroxide.Tert-butyl hydroperoxide sec.-propyl carbonic ether, tert butyl peroxy benzoate.Methylethyl ketone peroxide, dicumyl peroxide, 2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane, ditertiary butyl peroxide, 2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexin-3 or the like.They can use separately also and can use with.Consumption as for organo-peroxide depends on the melt index of acrylic resin and regulates the specific melt index that will obtain behind the molecular weight.Generally speaking, the acrylic resin of per 100 parts of weight adds the organo-peroxide of 0.001-0.1 weight part.
To composition of the present invention, can add different components commonly used, as neutralizing agent, nucleator, oxidation inhibitor, UV light absorber, ultra-violet stabilizer, pigment, dispersion agent and other interpolation components.
The oxidation inhibitor that can add in composition of the present invention comprises 2,6-two-tertiary butyl p-methyl phenol, Octadecane base-3(4-hydroxyl-3,5-two-tert-butyl-phenyl) propionic ester, four (methylene radical-3-(3,5-two-tertiary butyl-1-4-hydroxy phenyl) propionic ester) methane or the like.Above-mentioned oxidation inhibitor can cause the resin jaundice behind irradiation, so use them to limit the quantity of in composition of the present invention.
Also can use the oxidation inhibitor such as the tetramethylolmethane-four (β-lauric acid thiopropionate) of sulfur-bearing, two lauric acid dithio propionic esters etc., but the oxidation inhibitor of these sulfur compounds can cause the problem of hemolytic action; So restriction is used.
Typical UV light absorber is an Octabenzone, 2-(2-hydroxyl-3,5-two-tert-butyl-phenyl)-5-chlorobenzene-triazole or the like.
Typical UV light stabilizing agent is two (2,2,6,6-tetramethyl--4-piperidyl)-sebates.
Composition of the present invention can be made as follows.Acrylic resin (a), glucitol derivative (b) is shown in the molecule formula I.Bi-ester of phosphite (c) is shown in the molecule formula III, and polyamine (d) is shown in the molecule formula III.Simultaneously, if desired, can add organo-peroxide (e) and other additives commonly used, as neutralizing agent calcium stearate, nucleator, oxidation inhibitor, UV light absorber, ultra-violet stabilizer or the like.All these mix, and for example can use the Henschel mixing tank, and this mixture causes particle through melt extruding.
If desired, composition of the present invention contains acrylic resin, glucitol derivative, and bi-ester of phosphite and polyamine compound under the situation that has organo-peroxide to exist, can be 190 °-270 ℃ thermal destruction processing through excess temperature.This thermal destruction can be in above-mentioned granulation step be set up in above-mentioned scope and is melt extruded temperature and realize.But the processing that is lower than 190 ℃ is unfavorable to this composition, can cause resin deterioration and variable color and be higher than 270 ℃.
Polypropylene resin composite of the present invention has the good radioresistance and the fabulous transparency.Because these characteristics, it can be used as food product pack, medical equipment (syringe, needle stand, shield cap etc.), medicine bottle and other purposes.Composition through thermal destruction has good moulding flowability in addition.
The present invention will describe in detail in following example and comparative example, and this will illustrate the present invention by example, but not be construed to limitation of the present invention.
Example 1
The ethylene-propylene random copolymer of 100 parts (weight).Contain 3.5%(weight) ethene, viscosity is that 1.62(measures in 135 ℃ of tetralins in it).Add 1.3 of 0.3 weight part, 2.4-two (ethylbenzene methylene radical) sorbyl alcohol, three (2,4-two-tert-butyl-phenyl) phosphorous acid ester of 0.02 weight part, the polyamine of 0.02 weight part.It is formed shown in the molecular formula III.Molecular-weight average is the calcium stearate of 1800-2200 and 0.07 weight part.These components are mixed, use 240 ℃ of extruding pelletizations of common forcing machine then.Use injection moulding machine, under about 240 ℃ injection moulding temperature, it is long that the particle that causes is made 160mm, the plate that 80mm is wide, 1mm is thick.
This plate was placed for 2 weeks in 80 ℃ of air then by cobalt-60 radioactive source 2.5Mrad α-x ray irradiation x.
Going out property of anti-impact, transparency and the yellow chromaticity of plate are all measured behind pre-irradiation.
The mensuration that anti-impact goes out intensity is that plate is placed an internal diameter is on the pipe of 50mm, puts a φ 1/2 onboard " the impact pellet.Then from falling a weight.Resistance to impact shock is with when plate is broken, and represents corresponding to the striking energy that height had of dropping.
Transparency is measured (ASTM-D-1003) with general turbidometer.
Yellow chromaticity is to weigh with following four levels
The flavescence phenomenon does not appear in ◎
Zero slight flavescence
The △ flavescence
* very yellow
The results are shown in table 1.
Example 2
Step and example 1 are removed three (2,4-two-tert-butyl-phenyl) phosphorous acid esters and polyamino compound and are all increased to 0.05 weight part together.
The physical property measurement of plate the results are shown in table 1.
Example 3
Step and example 1 are removed three (2,4-two-tert-butyl-phenyl) phosphorous acid esters and polyamino compound and are all increased to 0.08 weight part together.
The physical property measurement of plate the results are shown in table 1.
Comparative example 1
Step and example 1 with, remove four (methylene radical-3-(3, the 5-di-t-butyl-4 hydroxy phenyl) propionic ester that adds 0.1 weight part) methane replaces three (2,4-two-tert-butyl-phenyl) phosphorous acid ester and polyamino compound.
The physical property measurement of plate the results are shown in table 1.
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 2
Step is with example 3, but do not add 1.3,2.4-two (ethylbenzene methylene radical) sorbyl alcohol.
The physical property measurement of plate the results are shown in table 1.
Its anti-radiation property is good, but transparency is low.
Comparative example 3
Step is with example 3, but do not add polyamino compound.
The physical property measurement of plate the results are shown in table 1.
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 4
Step is with example 3, but do not add three (2,4-two-tert-butyl-phenyl) phosphorous acid ester.
The physical property measurement of plate the results are shown in table 1.
Its anti-radiation performance and the present composition are relatively, and be inferior.
Comparative example 5
Step is made plate with example 3, removes four (methylene radical-3-(3, the 5-two-tert-butyl-hydroxy phenyl) propionic ester that uses 0.1 weight part) methane replacement polyamino compound.
Its physical property measurement the results are shown in table 1.
Resin flavescence behind irradiation.
Comparative example 6
Step is made plate with example 3, removes and uses two (2,2,6,6-tetramethyl--4-piperidyl)-sebates of 0.1 weight part to replace polyamino compound.
Its physical property measurement the results are shown in table 1.
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 7
Step is made plate with example 3, remove to adopt the dimethyl succinate ester/2-(4-hydroxyl-2,2,6 of 0.1 weight part, 6-tetramethyl--piperidino) the alcoholic acid condensation closes product and replaces 1.3,2.4-two (ethylbenzene methylene radical) sorbyl alcohol and polyamino compound.
Its physical property measurement the results are shown in table 1.
Its anti-radiation property is good, but transparency is low.
Example 4
100 parts of (weight) ethylene-propylene random copolymers contain ethene 3.5%(weight), interior viscosity is 1.62(135 °+tetralin).Add 0.3 part of (weight) 1.3, two 2.4-(ethylbenzene methylene radical) sorbyl alcohol, 0.08 part (weight) three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester, 0.08 part of (weight) polyamine, represent with general molecule formula III, molecular-weight average 1800-2200 and 0.02 part of (weight) 2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane, other adds 0.07 part of (weight) calcium stearate.
Above-mentioned component melt extrudes granulation at 240 ℃ with forcing machine after mixing.It is long that these particles are injection molded into 160mm in about 240 ℃ of injection moulding temperature, the wide and thick plate of 1mm of 80mm.
This particulate melt flow index is pressed the ASTM-D-1238 method and is measured.
This plate is placed the 2.5Mard gamma-radiation irradiation of launching with cobalt-60 radioactive source, allow plate in 80 ℃ of air, to stop for 2 weeks.
The anti-property gone out, the transparency and yellow chromaticity are measured by the method that provides in the example 1, and measure two kinds of samples behind the pre-irradiation.
The results are shown in table 2.
Example 5
Step is with example 4, but the amount of three (2, the 4-di-tert-butyl-phenyl) phosphorous acid esters and polyamino compound all increases to 0.05 weight part.
Test-results is listed in table 2.
Example 6
Step is with example 4, but the amount of three (2, the 4-di-tert-butyl-phenyl) phosphorous acid esters and polyamine component all becomes 0.02 part (weight).
Test-results is listed in table 2.
Comparative example 8
Step is with example 4, but uses 0.1 weight part four (methylene radical-3-(3,5-two-tert-butyl-hydroxy phenyl) propionic ester) methane replaces three (2,4-two-tert-butyl-phenyl) phosphorous acid ester and polyamino compound.
Test-results is listed in table 2.
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 9
Step is with example 4, except that not adding 1.3,2.4-two (ethylbenzene methylene radical) sorbyl alcohol.
Test-results is listed in table 2.
Its radioresistance is good, but the transparency is poor.
Comparative example 10
Step is with example 4, but do not add polyamino compound.
Test-results is listed in table 2.
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 11
Step is with example 4, but do not add three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.
Test-results is listed in table 2
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 12
Step is with example 4, but adopts four (methylene radical 3-(3,5 di-tert-butyl-hydroxy phenyls) propionic ester of 0.1 weight part) methane replaces polyamino compound.
Test-results is listed in table 2.
After irradiation, demonstrate the jaundice color immediately.
Comparative example 13
Step is with example 4, but adopts two (2,2,6, the 6-tetramethyl--4-piperidines) sebates of 0.1 weight part to replace polyamino compound.
Test-results is listed in table 2.
Its anti-radiation performance and present composition ratio, inferior.
Comparative example 14
Step is with example 4, but adopts the dimethyl succinate ester/2-(4-hydroxyl-2,2,6 of 0.1 weight part, 6-tetramethyl--piperidino) ethanol condensed product replaces 1.3,2.4 two-(ethylbenzene methylene radical) sorbyl alcohol and polyamino compounds.
Test-results is listed in table 2.
Its radioresistance is good, but transparency is low.
Example 7
Step is with example 4, but 2,5-dimethyl-2,5-two (5-butyl peroxyization) hexane is 0.04 weight part.
Test-results is listed in table 3.
Example 8
Step is with example 4, but 2,5-dimethyl-2,5-two (5-butyl peroxyization) hexane content degree is 0.06 part (weight).
Test-results is listed in table 3.
For the ease of relatively, the MI(melt index of particulate material in the example 3) and other characteristic datas all list in table 3.
Other mixtures are as broad as long in composition radioresistance in this example and the invention, and only the particle processing fluidity of composition is lower than the latter.
Claims (14)
1, a kind of stable radiation polypropylene resin composite has the outstanding transparency, it is characterized in that it comprises:
(a) a kind of acrylic resin,
(b) a kind of glucitol derivative, represent with following molecular formula:
Herein the R alkyl representing a hydrogen atom or have a 1-18 carbon atom because of.
(c) a kind of phosphite compound, represent with following molecular formula:
R herein
1Represent a tertiary butyl, 1,1-dimethyl-propyl group, cyclohexyl or phenyl.R
2Represent a hydrogen atom or methyl, the tertiary butyl, 1, the 1-dimethyl propyl, cyclohexyl or phenyl,
(d) a kind of polyamino compound is represented with following molecular formula
N is the integer of an average 1-40 in the formula, above-claimed cpd (b), and content (c) and (d) is respectively the 0.005-8 weight part, 0.01-4 weight part and 0.01-4 weight part, all these acrylic resin with 100 weight parts is a benchmark.
2, a kind of stable radiation polypropylene resin composite as claimed in claim 1 also comprises (e) a kind of organo-peroxide.
3, a kind of stable radiation polypropylene resin composite as claimed in claim 1, have a kind of organo-peroxide in the presence of, be that 190-270 ℃ thermal destruction is handled through excess temperature.
4, a kind of stable radiation polypropylene resin composite as claimed in claim 1, acrylic resin wherein is a homopolymer polypropylene, a kind of propylene-ethylene copolymers, ethylene content are 0.1-7%(weight), perhaps propylene-alpha-olefin copolymers.Alpha-olefin content is 0.1-20%(weight).
5, a kind of stable radiation polypropylene resin composite as claimed in claim 1, wherein glucitol derivative (b) is a dibenzal sorbitol, 1.3.2.4-two (methylbenzene methylene radical) sorbyl alcohol or 1.3,2.4-two (hexyl benzene methylene radical) sorbyl alcohol.
6, a kind of stable radiation polypropylene resin composite as claimed in claim 1, wherein glucitol derivative (b) content is to add 0.05-1 part (weight) in the acrylic resin of per 100 weight parts.
7, a kind of stable radiation polypropylene resin composite as claimed in claim 1, wherein phosphite compound (c) is three (2.5-di-tert-butyl-phenyl) phosphite, three (2-tert-butyl-phenyl) phosphite.Three (2-(1,1-dimethyl propyl) phenyl) phosphite, three (2-phenyl) phosphite, three (2-cyclohexyl phenyl) phosphite, three (2, the 4-di-tert-butyl-phenyl) phosphites or three (the 2-tertiary butyl-4-phenyl) phosphite.
8, a kind of stable radiation polypropylene resin composite as claimed in claim 1, wherein phosphite compound (c) content is the middle adding of acrylic resin (a) 0.02-2 part (weight) of per 100 weight parts.
9, a kind of stable radiation polypropylene resin composite as claimed in claim 1, wherein polyamino compound (d) content is the middle adding of acrylic resin (a) 0.02-2 part (weight) of per 100 weight parts.
10, a kind of stable radiation polypropylene resin composite as claimed in claim 2, organo-peroxide wherein (e) is a tert-butyl hydroperoxide trimethylacetic acid fat, lauroyl peroxide, benzoyl peroxide, cyclohexanone peroxide, tert-butyl hydroperoxide sec.-propyl carbonic ether.The tert-butyl hydroperoxide benzoate.Methylethyl ketone peroxide, dicumyl peroxide, 2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane, di-tert-butyl peroxide, 2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexin-3.
11, a kind of stable radiation polypropylene resin composite as claimed in claim 3, wherein organo-peroxide (e) is a tert-butyl hydroperoxide trimethylacetic acid fat, lauroyl peroxide, benzoyl peroxide, cyclohexanone peroxide, tert-butyl hydroperoxide sec.-propyl carbonic ether, tert-butyl hydroperoxide benzoate, methylethyl ketone peroxide, dicumyl peroxide.2,5-dimethyl-2,5 two (tert-butyl hydroperoxide) hexane, di-tert-butyl peroxide, 2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexin-3.
12, a kind of stable radiation polypropylene resin composite described in claim 1 to 11 is used as food product containers.
13, be used as medical container as the described a kind of stable radiation polypropylene resin composite of claim 1 to 11.
14, be used as medicine equipment as the described a kind of stable radiation polypropylene resin composite of claim 1 to 11.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4652284A JPS60190443A (en) | 1984-03-13 | 1984-03-13 | Polypropylene resin composition stable to radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85101828A true CN85101828A (en) | 1987-01-10 |
Family
ID=12749602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN198585101828A Pending CN85101828A (en) | 1984-03-13 | 1985-04-01 | The polypropylene resin composite of stable radiation |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60190443A (en) |
| CN (1) | CN85101828A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051340C (en) * | 1993-04-15 | 2000-04-12 | 希巴特殊化学控股公司 | Low color processing, heat and light stabilizer system for polypropylene fiber |
| CN1069666C (en) * | 1996-04-18 | 2001-08-15 | 中国石油化工集团北京化工研究院 | Preparation method of high-performance radiation crosslinked polypropylene |
| CN114133625A (en) * | 2021-11-23 | 2022-03-04 | 合肥乾润钢塑有限公司 | Medical polypropylene irradiation-resistant premixing agent |
-
1984
- 1984-03-13 JP JP4652284A patent/JPS60190443A/en active Pending
-
1985
- 1985-04-01 CN CN198585101828A patent/CN85101828A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051340C (en) * | 1993-04-15 | 2000-04-12 | 希巴特殊化学控股公司 | Low color processing, heat and light stabilizer system for polypropylene fiber |
| CN1069666C (en) * | 1996-04-18 | 2001-08-15 | 中国石油化工集团北京化工研究院 | Preparation method of high-performance radiation crosslinked polypropylene |
| CN114133625A (en) * | 2021-11-23 | 2022-03-04 | 合肥乾润钢塑有限公司 | Medical polypropylene irradiation-resistant premixing agent |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60190443A (en) | 1985-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1061054C (en) | Process for stabilization of polyolefin and products obtained thereby | |
| CN1028643C (en) | Production process of polylefin resin composition containing inorganic filler | |
| CN1154686C (en) | Compositions stabilized with tertiary amine oxides | |
| CN1146632C (en) | Thermoplastic elastomer and process for producing it | |
| CN1240763C (en) | Polyvinylidene chloride composition and its prepn | |
| FI75852B (en) | FOERNAETNINGSBAR POLYETENKOMPOSITION, SOM AER SPECIELLT ANVAENDBAR I EN ROTATIONSGJUTNINGSPROCESS OCH ANVAENDNING AV KOMPOSITIONEN. | |
| CN1047319A (en) | Layered article by polyolefine and the preparation of ethylene/vinyl alcohol copolymer mixture | |
| CN1357011A (en) | Method for prodn. of controlled rheological polypropylene resin | |
| CN1087651A (en) | The electrically insulating film lining | |
| CN1302058C (en) | Stabilised polypropylene | |
| CN1076461A (en) | Polyolefin compositions with good transparency and shock strength | |
| CN1060662A (en) | The mixture of the graft copolymer of amphoteric polymeric material and the graft copolymer of olefinic rubber material | |
| CN87102759A (en) | The polyformaldehyde composition of stabilization | |
| CN101068870A (en) | Thermoplastic material with adjustable useful lifetime, method for their manufacture and products thereof | |
| CN1803908A (en) | Polypropylene plastic and preparation process thereof | |
| CN1171938C (en) | Poly olefin film composite having permenent anti-fog property | |
| CN1152471A (en) | Composition with high anti-fire-spreading property | |
| CN86103485A (en) | Composition for thermoplastic elastomer | |
| CN110256770A (en) | Thermoplastic dynamic perduren and preparation method thereof | |
| CN1093149C (en) | Crystalline state thermoplastic resin crystal nucleus forming method and crystalline state thermoplastic resin compositions | |
| CN1099400A (en) | Polypropylene resin composition resistant to high energy radiation | |
| CN1040996A (en) | Based on the excessive polymerization of vinyl chloride-base polymer formed flexible blend compositions on ethylene copolymer | |
| CN1263113A (en) | Stable metallocene polyolefine | |
| CN85101828A (en) | The polypropylene resin composite of stable radiation | |
| CN1038595C (en) | Process for stabilising polyolefine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |