IT968322B - Copolimeri di i alcheni e derivati dell acido acrilico e procedimento per la loro produzione - Google Patents
Copolimeri di i alcheni e derivati dell acido acrilico e procedimento per la loro produzioneInfo
- Publication number
- IT968322B IT968322B IT69866/72A IT6986672A IT968322B IT 968322 B IT968322 B IT 968322B IT 69866/72 A IT69866/72 A IT 69866/72A IT 6986672 A IT6986672 A IT 6986672A IT 968322 B IT968322 B IT 968322B
- Authority
- IT
- Italy
- Prior art keywords
- alkenes
- copolymers
- derivatives
- procedure
- production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/27—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/06—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D233/08—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms
- C07D233/12—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms with alkyl radicals, containing more than four carbon atoms, directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D233/16—Radicals substituted by nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
- C07D265/30—1,4-Oxazines; Hydrogenated 1,4-oxazines not condensed with other rings
- C07D265/32—1,4-Oxazines; Hydrogenated 1,4-oxazines not condensed with other rings with oxygen atoms directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1812—C12-(meth)acrylate, e.g. lauryl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/26—Amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/046—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/12—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of organic compounds, e.g. with PxSy, PxSyHal or PxOy
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/061—Esters derived from boron
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Lubricants (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Polymerisation Methods In General (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/180,142 US3968148A (en) | 1971-09-13 | 1971-09-13 | Copolymers of 1-alkenes and acrylic acid derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
IT968322B true IT968322B (it) | 1974-03-20 |
Family
ID=22659361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT69866/72A IT968322B (it) | 1971-09-13 | 1972-09-08 | Copolimeri di i alcheni e derivati dell acido acrilico e procedimento per la loro produzione |
Country Status (13)
Country | Link |
---|---|
US (1) | US3968148A (it) |
JP (1) | JPS4856613A (it) |
AU (1) | AU467504B2 (it) |
BE (1) | BE788752A (it) |
BR (1) | BR7206273D0 (it) |
CA (1) | CA1024991A (it) |
DE (1) | DE2243064A1 (it) |
ES (1) | ES406876A1 (it) |
FR (1) | FR2152936B1 (it) |
GB (1) | GB1406664A (it) |
IT (1) | IT968322B (it) |
NL (1) | NL7212436A (it) |
ZA (1) | ZA726122B (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2639804A1 (de) * | 1975-09-18 | 1977-03-31 | Rohm & Haas | Polymere |
US4758642A (en) * | 1985-12-11 | 1988-07-19 | Exxon Chemical Patents Inc. | Process for preparing improved high solids acrylic-based coatings |
US4985517A (en) * | 1985-12-11 | 1991-01-15 | Exxon Chemical Patents, Inc. | High solids acrylic-based coatings |
US4855369A (en) * | 1985-12-11 | 1989-08-08 | Exxon Chemical Patents Inc. | High solids acrylic-based coatings |
TNSN89128A1 (fr) * | 1988-12-02 | 1991-02-04 | Rohn And Haas Company Independance Mall West | Traitement du cuir avec des copolymeres amphiphites choisis |
US5330537A (en) * | 1990-06-07 | 1994-07-19 | Rohm And Haas Company | Leather treatment selected amphiphilic copolymer |
DE4025494A1 (de) * | 1990-08-11 | 1992-02-13 | Roehm Gmbh | Syntheseoele, die ganz oder teilweise aus oligomeren bzw. cooligomeren von (meth)acrylsaeureestern und 1-alkenen bestehen |
US5691284A (en) * | 1990-08-11 | 1997-11-25 | Rohm Gmbh | Synthetic oligomeric oils |
DE4025493A1 (de) * | 1990-08-11 | 1992-02-13 | Roehm Gmbh | Verfahren zur herstellung von homooligomeren und cooligomeren |
US5892101A (en) * | 1996-11-18 | 1999-04-06 | E. I. Du Pont De Nemours And Company | Cross-dimerization of olefins |
CA2631264A1 (en) * | 2005-11-29 | 2007-06-07 | Basf Se | Process for esterifying or transesterifying side chains in polymers |
CN103257223B (zh) * | 2006-08-09 | 2015-04-01 | 住友电木株式会社 | 糖链捕获物及其用途 |
US20100160561A1 (en) * | 2008-12-24 | 2010-06-24 | Ppg Industries Ohio, Inc. | Copolymers of alpha-olefin type monomers and curable film-forming compositions containing them |
JP6775605B2 (ja) * | 2016-05-18 | 2020-10-28 | エボニック オペレーションズ ゲーエムベーハー | 耐摩耗コポリマーおよび潤滑剤組成物 |
PL4176026T3 (pl) | 2020-07-03 | 2024-07-01 | Evonik Operations Gmbh | Płyny bazowe o wysokiej lepkości na bazie kompatybilnych z olejem poliestrów przygotowanych z długołańcuchowych epoksydów |
JP2023532930A (ja) | 2020-07-03 | 2023-08-01 | エボニック オペレーションズ ゲーエムベーハー | 親油性ポリエステルをベースとする高粘度ベースフルード |
PL4015604T3 (pl) | 2020-12-18 | 2023-05-08 | Evonik Operations Gmbh | Kopolimery akrylanowo-olefinowe jako płyny bazowe o wysokiej lepkości |
CA3197881A1 (en) | 2022-05-24 | 2023-11-24 | Evonik Operations Gmbh | Acrylate-olefin copolymers as high viscosity base fluids |
-
1971
- 1971-09-13 US US05/180,142 patent/US3968148A/en not_active Expired - Lifetime
-
1972
- 1972-08-11 CA CA149,228A patent/CA1024991A/en not_active Expired
- 1972-09-01 DE DE2243064A patent/DE2243064A1/de active Pending
- 1972-09-06 GB GB4129072A patent/GB1406664A/en not_active Expired
- 1972-09-07 ZA ZA726122A patent/ZA726122B/xx unknown
- 1972-09-08 IT IT69866/72A patent/IT968322B/it active
- 1972-09-11 JP JP47093794A patent/JPS4856613A/ja active Pending
- 1972-09-12 ES ES406876A patent/ES406876A1/es not_active Expired
- 1972-09-12 BR BR006273/72A patent/BR7206273D0/pt unknown
- 1972-09-12 AU AU46582/72A patent/AU467504B2/en not_active Expired
- 1972-09-13 FR FR7232500A patent/FR2152936B1/fr not_active Expired
- 1972-09-13 NL NL7212436A patent/NL7212436A/xx not_active Application Discontinuation
- 1972-09-13 BE BE788752D patent/BE788752A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1024991A (en) | 1978-01-24 |
BE788752A (fr) | 1973-03-13 |
FR2152936A1 (it) | 1973-04-27 |
US3968148A (en) | 1976-07-06 |
DE2243064A1 (de) | 1973-03-29 |
NL7212436A (it) | 1973-03-15 |
ES406876A1 (es) | 1976-02-01 |
GB1406664A (en) | 1975-09-17 |
ZA726122B (en) | 1973-10-31 |
JPS4856613A (it) | 1973-08-09 |
AU467504B2 (en) | 1975-12-04 |
FR2152936B1 (it) | 1976-08-13 |
AU4658272A (en) | 1974-03-21 |
BR7206273D0 (pt) | 1973-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT975628B (it) | Derivati ureici silil sostituiti e procedimento per la loro pro duzione | |
IT973901B (it) | Procedimento per la produzione di alogenidrine | |
IT968322B (it) | Copolimeri di i alcheni e derivati dell acido acrilico e procedimento per la loro produzione | |
IT973370B (it) | Derivati ureici silil sostituiti e procedimento per la loro produ zione | |
IT943404B (it) | Procedimento per la produzione di polieterammine e per la loro otilizzazione | |
IT952505B (it) | Procedimento ed apparecchio per la produzione continua di acido teref talico | |
IT966452B (it) | Perfluoroalcansolfonammidi e procedimento per la loro produ zione ed applicazione | |
IT958044B (it) | Procedimento per la produzione di politiobisfenoli | |
IT1061277B (it) | Procedimento ed impianto per la produzione di organosilossani | |
IT948402B (it) | Polialchenameri e procedimento per la loro produzione | |
IT973478B (it) | Dialcossixantogendisolfuri e procedimento per la loro produzio ne ed applicazione | |
IT1064107B (it) | Procedimento per la produzione di nicotinammide | |
IT942153B (it) | Azocoloranti e procedimento per la loro produzione ed applicazione | |
IT957992B (it) | Procedimento per la produzione di ipofosfiti | |
IT941454B (it) | Processo per la preparazione dell acido citrico | |
IT966026B (it) | Derivati distibilici e procedimen to per la loro produzione ed appli cazione | |
IT974374B (it) | Procedimento per la produzione di dicloro i i diantrachinonili e loro derivati | |
IT961697B (it) | Azocomposti e procedimento per la loro produzione ed applicazione | |
IT939636B (it) | Azocomposti e procedimento per la loro produzione ed applicazione | |
IT1045661B (it) | Procedimento per la produzione di irride dell acido maleico | |
IT958208B (it) | Derivati di distrilbenzolo e procedimento per la loro produ zione ed applicazione | |
SE384381B (sv) | Forfarande for kontinuerlig framstellning av ferrokisel | |
IT962073B (it) | Nitrocoloranti e procedimento per la loro produzione ed applicazione | |
IT966110B (it) | Composti azonaftimmidazolici e pro cedimento per la loro produzione ed impiego | |
IT942242B (it) | Procedimento per la produzione di cloruri di acidi n i alchen i il carbammidici |