CA1046685A - Stabilisation de polymeres d'acetal - Google Patents

Stabilisation de polymeres d'acetal

Info

Publication number: CA1046685A
Authority: CA; Canada
Prior art keywords: parts; weight; acetal polymer; polymer; acetal
Prior art date: 1974-12-20
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.): Expired

Application number

CA241,983A

Other languages

English (en)

Inventor

Pierino Radici

Gaudenzio Bianchi

Paolo Colombo

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Societa Italiana Resine SpA SIR

Original Assignee

Societa Italiana Resine SpA SIR

Priority date (The priority date 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 date listed.)

1974-12-20

Filing date

1975-12-17

Publication date

1979-01-16

1975-12-17 Application filed by Societa Italiana Resine SpA SIR filed Critical Societa Italiana Resine SpA SIR

1979-01-16 Application granted granted Critical

1979-01-16 Publication of CA1046685A publication Critical patent/CA1046685A/fr

Status Expired legal-status Critical Current

Links

229920006324 polyoxymethylene Polymers 0.000 title claims abstract description 47
230000006641 stabilisation Effects 0.000 title description 7
238000011105 stabilization Methods 0.000 title description 7
239000000203 mixture Substances 0.000 claims abstract description 25
-1 polymethylene chain Polymers 0.000 claims abstract description 19
229930040373 Paraformaldehyde Natural products 0.000 claims abstract description 15
229920001400 block copolymer Polymers 0.000 claims abstract description 12
230000015556 catabolic process Effects 0.000 claims abstract description 11
238000006731 degradation reaction Methods 0.000 claims abstract description 11
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 9
125000004432 carbon atom Chemical group C* 0.000 claims abstract description 3
150000002148 esters Chemical group 0.000 claims abstract description 3
JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 3
230000003647 oxidation Effects 0.000 claims abstract 2
238000007254 oxidation reaction Methods 0.000 claims abstract 2
239000003963 antioxidant agent Substances 0.000 claims description 10
230000003078 antioxidant effect Effects 0.000 claims description 9
150000003951 lactams Chemical class 0.000 claims description 5
VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 claims description 3
229930185605 Bisphenol Natural products 0.000 claims description 3
150000002989 phenols Chemical class 0.000 claims description 3
125000000217 alkyl group Chemical group 0.000 claims description 2
125000003118 aryl group Chemical group 0.000 claims description 2
125000000753 cycloalkyl group Chemical group 0.000 claims description 2
JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 2
125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
239000003381 stabilizer Substances 0.000 abstract description 23
238000004519 manufacturing process Methods 0.000 abstract description 4
239000004952 Polyamide Substances 0.000 abstract description 3
229920002647 polyamide Polymers 0.000 abstract description 3
239000000825 pharmaceutical preparation Substances 0.000 abstract description 2
229940127557 pharmaceutical product Drugs 0.000 abstract description 2
230000000087 stabilizing effect Effects 0.000 abstract description 2
229920001577 copolymer Polymers 0.000 description 31
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 30
229920000642 polymer Polymers 0.000 description 26
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
239000008187 granular material Substances 0.000 description 16
238000000265 homogenisation Methods 0.000 description 13
239000000047 product Substances 0.000 description 13
239000000178 monomer Substances 0.000 description 10
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 9
238000006243 chemical reaction Methods 0.000 description 9
150000001299 aldehydes Chemical class 0.000 description 8
235000006708 antioxidants Nutrition 0.000 description 8
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
238000006116 polymerization reaction Methods 0.000 description 6
239000000843 powder Substances 0.000 description 6
239000000126 substance Substances 0.000 description 6
125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 5
239000001273 butane Substances 0.000 description 5
RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 5
IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 5
OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 4
238000010504 bond cleavage reaction Methods 0.000 description 4
238000001033 granulometry Methods 0.000 description 4
229920001519 homopolymer Polymers 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
230000007017 scission Effects 0.000 description 4
238000003756 stirring Methods 0.000 description 4
239000000725 suspension Substances 0.000 description 4
WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
229940022682 acetone Drugs 0.000 description 3
238000005520 cutting process Methods 0.000 description 3
230000007423 decrease Effects 0.000 description 3
239000007857 degradation product Substances 0.000 description 3
229920002521 macromolecule Polymers 0.000 description 3
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
238000002156 mixing Methods 0.000 description 3
238000002360 preparation method Methods 0.000 description 3
239000000243 solution Substances 0.000 description 3
238000011282 treatment Methods 0.000 description 3
HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
229920002292 Nylon 6 Polymers 0.000 description 2
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
239000007983 Tris buffer Substances 0.000 description 2
150000008064 anhydrides Chemical class 0.000 description 2
239000012298 atmosphere Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000009835 boiling Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000007334 copolymerization reaction Methods 0.000 description 2
XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
238000001035 drying Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
125000004185 ester group Chemical group 0.000 description 2
230000035611 feeding Effects 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 2
229910052744 lithium Inorganic materials 0.000 description 2
239000000463 material Substances 0.000 description 2
229940100630 metacresol Drugs 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
238000000034 method Methods 0.000 description 2
125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
GYHFUZHODSMOHU-UHFFFAOYSA-N nonanal Chemical compound CCCCCCCCC=O GYHFUZHODSMOHU-UHFFFAOYSA-N 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
230000009466 transformation Effects 0.000 description 2
230000004580 weight loss Effects 0.000 description 2
UYVWNPAMKCDKRB-UHFFFAOYSA-N 1,2,4,5-tetraoxane Chemical compound C1OOCOO1 UYVWNPAMKCDKRB-UHFFFAOYSA-N 0.000 description 1
YLHUPYSUKYAIBW-UHFFFAOYSA-N 1-acetylpyrrolidin-2-one Chemical compound CC(=O)N1CCCC1=O YLHUPYSUKYAIBW-UHFFFAOYSA-N 0.000 description 1
RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
VDOKWPVSGXHSNP-UHFFFAOYSA-N 2-methylprop-1-en-1-one Chemical compound CC(C)=C=O VDOKWPVSGXHSNP-UHFFFAOYSA-N 0.000 description 1
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 description 1
UFFRSDWQMJYQNE-UHFFFAOYSA-N 6-azaniumylhexylazanium;hexanedioate Chemical compound [NH3+]CCCCCC[NH3+].[O-]C(=O)CCCCC([O-])=O UFFRSDWQMJYQNE-UHFFFAOYSA-N 0.000 description 1
101150034533 ATIC gene Proteins 0.000 description 1
RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
206010016825 Flushing Diseases 0.000 description 1
239000004594 Masterbatch (MB) Substances 0.000 description 1
QISSLHPKTCLLDL-UHFFFAOYSA-N N-Acetylcaprolactam Chemical compound CC(=O)N1CCCCCC1=O QISSLHPKTCLLDL-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
239000012267 brine Substances 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
GNVMUORYQLCPJZ-UHFFFAOYSA-N carbamothioic s-acid Chemical compound NC(S)=O GNVMUORYQLCPJZ-UHFFFAOYSA-N 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
YWJUZWOHLHBWQY-UHFFFAOYSA-N decanedioic acid;hexane-1,6-diamine Chemical compound NCCCCCCN.OC(=O)CCCCCCCCC(O)=O YWJUZWOHLHBWQY-UHFFFAOYSA-N 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
229940008406 diethyl sulfate Drugs 0.000 description 1
SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 1
238000006266 etherification reaction Methods 0.000 description 1
KVFIJIWMDBAGDP-UHFFFAOYSA-N ethylpyrazine Chemical compound CCC1=CN=CC=N1 KVFIJIWMDBAGDP-UHFFFAOYSA-N 0.000 description 1
235000012438 extruded product Nutrition 0.000 description 1
238000011010 flushing procedure Methods 0.000 description 1
235000019253 formic acid Nutrition 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
PBZROIMXDZTJDF-UHFFFAOYSA-N hepta-1,6-dien-4-one Chemical compound C=CCC(=O)CC=C PBZROIMXDZTJDF-UHFFFAOYSA-N 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000003999 initiator Substances 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
239000012948 isocyanate Substances 0.000 description 1
150000002513 isocyanates Chemical class 0.000 description 1
150000002540 isothiocyanates Chemical class 0.000 description 1
150000002561 ketenes Chemical class 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229940094933 n-dodecane Drugs 0.000 description 1
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
239000012299 nitrogen atmosphere Substances 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
150000002905 orthoesters Chemical class 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
235000019260 propionic acid Nutrition 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
238000007669 thermal treatment Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 1
238000005809 transesterification reaction Methods 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
FUSUHKVFWTUUBE-UHFFFAOYSA-N vinyl methyl ketone Natural products CC(=O)C=C FUSUHKVFWTUUBE-UHFFFAOYSA-N 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
238000005406 washing Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
- C08L59/02—Polyacetals containing polyoxymethylene sequences only
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof

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)
Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)

CA241,983A 1974-12-20 1975-12-17 Stabilisation de polymeres d'acetal Expired CA1046685A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT3081474A IT1030932B (it)	1974-12-20	1974-12-20	Stabilizzazione di polimeri acetalici

Publications (1)

Publication Number	Publication Date
CA1046685A true CA1046685A (fr)	1979-01-16

Family

ID=11232225

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA241,983A Expired CA1046685A (fr)	1974-12-20	1975-12-17	Stabilisation de polymeres d'acetal

Country Status (5)

Country	Link
JP (1)	JPS5188548A (fr)
CA (1)	CA1046685A (fr)
FR (1)	FR2295073A1 (fr)
GB (1)	GB1527770A (fr)
IT (1)	IT1030932B (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1150525B (de) *	1961-02-16	1963-06-20	Basf Ag	Verfahren zur Herstellung von Blockpfropf-Polymerisaten

1974
- 1974-12-20 IT IT3081474A patent/IT1030932B/it active
1975
- 1975-12-17 CA CA241,983A patent/CA1046685A/fr not_active Expired
- 1975-12-19 JP JP15071675A patent/JPS5188548A/ja active Granted
- 1975-12-19 GB GB5217375A patent/GB1527770A/en not_active Expired
- 1975-12-22 FR FR7539373A patent/FR2295073A1/fr active Granted

Also Published As

Publication number	Publication date
JPS5188548A (ja)	1976-08-03
FR2295073A1 (fr)	1976-07-16
GB1527770A (en)	1978-10-11
FR2295073B1 (fr)	1979-10-12
IT1030932B (it)	1979-04-10
JPS529467B2 (fr)	1977-03-16

Publication	Publication Date	Title
EP0121974B2 (fr)	1992-12-09	Mélange polymère comprenant un éther de polyphénylène et éventuellement un polystyrène et/ou un polystyrène modifié au caoutchouc et objets ainsi fabriqués
EP0407584B1 (fr)	1996-01-31	Resine d'ether de polyphenylene stabilisee
EP0025828B1 (fr)	1982-12-22	Procédé pour la préparation de polyéther(ester)amides et leur utilisation
EP1275671B1 (fr)	2007-06-06	Copolymere polyoxymethylene et article moule correspondant
CZ298957B6 (cs)	2008-03-19	Zpusob kondenzace polyamidu
EP0999224B1 (fr)	2001-12-12	Procédé pour la préparation de copolymères polyacétal
US4683267A (en)	1987-07-28	Thermoplastic moulding compounds based on polyoxymethylene and polymeric adipatecarbonate mixed esters
US3336262A (en)	1967-08-15	Branched chain polyoxymethylene polycarboxylates
US3646159A (en)	1972-02-29	Polycarbonate/polyacetal thermoplastic resin compositions
EP0344699B1 (fr)	1994-12-21	Procédé pour la polymérisation de l'ester pentabromobenzyl monoacrylate
CA1046685A (fr)	1979-01-16	Stabilisation de polymeres d'acetal
EP0480383A2 (fr)	1992-04-15	Compositions d'éther de polyphénylène stabilisées avec de bêta-dicétones
EP0175968B1 (fr)	1990-12-05	Procédé de récupération de poly(sulfures d'arylène)
GB1584202A (en)	1981-02-11	Tetrabromophthalimide derivatives and their use as flameproofing agents
US3316207A (en)	1967-04-25	Stabilized copolymers of trioxane
CA1043037A (fr)	1978-11-21	Stabilisation de polymeres d'acetal
US5079340A (en)	1992-01-07	Stabilized polyketone polymers
EP0003477A2 (fr)	1979-08-22	Masses à mouler à base de polyamide ne nécessitant pas de conditionnement
US3626030A (en)	1971-12-07	Stabilized macromolecular polyacetals and process for making the same
US3459709A (en)	1969-08-05	Method of stabilizing polyoxymethylenes
US3330801A (en)	1967-07-11	Macromolecular formaldehyde polymers stabilized by non-conjugated amides
US3692876A (en)	1972-09-19	Stabilized formaldehyde polymers
US4000215A (en)	1976-12-28	Process for the preparation and the simultaneous stabilization of polyoxymethylene
US3632686A (en)	1972-01-04	Stabilized formaldehyde polymers containing polyvinyl pyrrolidone and thiobisphenols
DE2460465C2 (de)	1984-08-09	Verfahren zum Herstellen und gleichzeitigen Stabilisieren von Polyoxymethylen