CH465214A - Verfahren zum Stabilisieren von Polyolefinen - Google Patents
Verfahren zum Stabilisieren von PolyolefinenInfo
- Publication number
- CH465214A CH465214A CH277266A CH277266A CH465214A CH 465214 A CH465214 A CH 465214A CH 277266 A CH277266 A CH 277266A CH 277266 A CH277266 A CH 277266A CH 465214 A CH465214 A CH 465214A
- Authority
- CH
- Switzerland
- Prior art keywords
- group
- alkyl
- hydrogen
- formula
- halogen
- Prior art date
Links
- 229920000098 polyolefin Polymers 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 12
- 230000000087 stabilizing effect Effects 0.000 title claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 59
- -1 ester compounds Chemical class 0.000 claims description 52
- 229910052739 hydrogen Inorganic materials 0.000 claims description 38
- 239000001257 hydrogen Substances 0.000 claims description 38
- 150000001875 compounds Chemical class 0.000 claims description 24
- 229910052736 halogen Inorganic materials 0.000 claims description 24
- 150000002367 halogens Chemical class 0.000 claims description 24
- 125000003545 alkoxy group Chemical group 0.000 claims description 23
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 23
- 150000002431 hydrogen Chemical class 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- 125000003342 alkenyl group Chemical group 0.000 claims description 9
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 6
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 4
- 150000003918 triazines Chemical class 0.000 claims description 4
- IPJIZCQBUDPUAG-UHFFFAOYSA-N (2-benzoyl-3,4-dihydroxyphenyl)-phenylmethanone Chemical class C=1C=CC=CC=1C(=O)C1=C(O)C(O)=CC=C1C(=O)C1=CC=CC=C1 IPJIZCQBUDPUAG-UHFFFAOYSA-N 0.000 claims description 3
- 150000008366 benzophenones Chemical class 0.000 claims description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 125000004442 acylamino group Chemical group 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 150000001565 benzotriazoles Chemical class 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims description 2
- 125000001188 haloalkyl group Chemical group 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- LEVJVKGPFAQPOI-UHFFFAOYSA-N phenylmethanone Chemical compound O=[C]C1=CC=CC=C1 LEVJVKGPFAQPOI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 2
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 239000000155 melt Substances 0.000 description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- KNQFGKYCUMPAHP-UHFFFAOYSA-N 1-[3-(benzotriazol-2-yl)-5-pentylphenyl]pentan-2-ol Chemical compound CCCCCC1=CC(CC(O)CCC)=CC(N2N=C3C=CC=CC3=N2)=C1 KNQFGKYCUMPAHP-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- LHPPDQUVECZQSW-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4,6-ditert-butylphenol Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC(N2N=C3C=CC=CC3=N2)=C1O LHPPDQUVECZQSW-UHFFFAOYSA-N 0.000 description 2
- BOYPAYBWCQZOGC-UHFFFAOYSA-N 2-[4,6-bis(4-butoxy-2-hydroxyphenyl)-1,3,5-triazin-2-yl]-5-butoxyphenol Chemical compound CCCCOc1ccc(c(O)c1)-c1nc(nc(n1)-c1ccc(OCCCC)cc1O)-c1ccc(OCCCC)cc1O BOYPAYBWCQZOGC-UHFFFAOYSA-N 0.000 description 2
- WPMYUUITDBHVQZ-UHFFFAOYSA-M 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=CC(CCC([O-])=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-M 0.000 description 2
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical compound CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- XRCGPZWJUXJKJF-UHFFFAOYSA-N (2-hydroxy-4-octoxyphenyl)-(2-hydroxyphenyl)methanone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1O XRCGPZWJUXJKJF-UHFFFAOYSA-N 0.000 description 1
- VNFXPOAMRORRJJ-UHFFFAOYSA-N (4-octylphenyl) 2-hydroxybenzoate Chemical compound C1=CC(CCCCCCCC)=CC=C1OC(=O)C1=CC=CC=C1O VNFXPOAMRORRJJ-UHFFFAOYSA-N 0.000 description 1
- GOZHNJTXLALKRL-UHFFFAOYSA-N (5-benzoyl-2,4-dihydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(O)=C(C(=O)C=2C=CC=CC=2)C=C1C(=O)C1=CC=CC=C1 GOZHNJTXLALKRL-UHFFFAOYSA-N 0.000 description 1
- OMWSZDODENFLSV-UHFFFAOYSA-N (5-chloro-2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=C(Cl)C=C1C(=O)C1=CC=CC=C1 OMWSZDODENFLSV-UHFFFAOYSA-N 0.000 description 1
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 description 1
- SEWVJINGQLVHOG-UHFFFAOYSA-N 1-[2-[4,6-bis[2-(2-hydroxyoctoxy)phenyl]-1,3,5-triazin-2-yl]phenoxy]octan-2-ol Chemical compound CCCCCCC(O)COC1=CC=CC=C1C1=NC(C=2C(=CC=CC=2)OCC(O)CCCCCC)=NC(C=2C(=CC=CC=2)OCC(O)CCCCCC)=N1 SEWVJINGQLVHOG-UHFFFAOYSA-N 0.000 description 1
- SYFIBOFYDHBYCD-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-pentylphenol Chemical compound CCCCCC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 SYFIBOFYDHBYCD-UHFFFAOYSA-N 0.000 description 1
- NLWDAUDWBLSJGK-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-tert-butyl-6-methylphenol Chemical compound CC1=CC(C(C)(C)C)=CC(N2N=C3C=CC=CC3=N2)=C1O NLWDAUDWBLSJGK-UHFFFAOYSA-N 0.000 description 1
- WXHVQMGINBSVAY-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 WXHVQMGINBSVAY-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000006283 4-chlorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1Cl)C([H])([H])* 0.000 description 1
- IEMHIOUNBGZEAG-UHFFFAOYSA-N 4-tert-butyl-2-(5-chlorobenzotriazol-2-yl)phenol Chemical compound CC(C)(C)C1=CC=C(O)C(N2N=C3C=C(Cl)C=CC3=N2)=C1 IEMHIOUNBGZEAG-UHFFFAOYSA-N 0.000 description 1
- UWSMKYBKUPAEJQ-UHFFFAOYSA-N 5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O UWSMKYBKUPAEJQ-UHFFFAOYSA-N 0.000 description 1
- PZBQVZFITSVHAW-UHFFFAOYSA-N 5-chloro-2h-benzotriazole Chemical compound C1=C(Cl)C=CC2=NNN=C21 PZBQVZFITSVHAW-UHFFFAOYSA-N 0.000 description 1
- QXVYFZSNGGHNOF-UHFFFAOYSA-N OC1=C(C=CC=C1)C1=NC(=NC(=N1)C1=C(C=CC=C1)O)OCCCCCCCCCCCC Chemical compound OC1=C(C=CC=C1)C1=NC(=NC(=N1)C1=C(C=CC=C1)O)OCCCCCCCCCCCC QXVYFZSNGGHNOF-UHFFFAOYSA-N 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Natural products OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- BLXLSQIOCCHAHJ-UHFFFAOYSA-N [2,3,4-tri(nonyl)phenyl] dihydrogen phosphite Chemical compound CCCCCCCCCC1=CC=C(OP(O)O)C(CCCCCCCCC)=C1CCCCCCCCC BLXLSQIOCCHAHJ-UHFFFAOYSA-N 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 125000001231 benzoyloxy group Chemical group C(C1=CC=CC=C1)(=O)O* 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000005392 carboxamide group Chemical group NC(=O)* 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical class [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- BEZDDPMMPIDMGJ-UHFFFAOYSA-N pentamethylbenzene Chemical group CC1=CC(C)=C(C)C(C)=C1C BEZDDPMMPIDMGJ-UHFFFAOYSA-N 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000004711 α-olefin Substances 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
- C08K5/00—Use of organic ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH277266A CH465214A (de) | 1966-02-25 | 1966-02-25 | Verfahren zum Stabilisieren von Polyolefinen |
| BE678847D BE678847A (en)van) | 1966-02-25 | 1966-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH277266A CH465214A (de) | 1966-02-25 | 1966-02-25 | Verfahren zum Stabilisieren von Polyolefinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH465214A true CH465214A (de) | 1968-11-15 |
Family
ID=4241255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH277266A CH465214A (de) | 1966-02-25 | 1966-02-25 | Verfahren zum Stabilisieren von Polyolefinen |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE678847A (en)van) |
| CH (1) | CH465214A (en)van) |
-
1966
- 1966-02-25 CH CH277266A patent/CH465214A/de unknown
- 1966-04-01 BE BE678847D patent/BE678847A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE678847A (en)van) | 1966-09-16 |
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