DE1669780A1 - Process for dry granulation of halogen-containing polymers - Google Patents
Process for dry granulation of halogen-containing polymersInfo
- Publication number
- DE1669780A1 DE1669780A1 DE19661669780 DE1669780A DE1669780A1 DE 1669780 A1 DE1669780 A1 DE 1669780A1 DE 19661669780 DE19661669780 DE 19661669780 DE 1669780 A DE1669780 A DE 1669780A DE 1669780 A1 DE1669780 A1 DE 1669780A1
- Authority
- DE
- Germany
- Prior art keywords
- fatty
- alcohols
- acids
- granulating
- fatty acids
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/003—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic followed by coating of the granules
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/02—Fertilisers containing other nitrates containing sodium or potassium nitrate
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C7/00—Fertilisers containing calcium or other cyanamides
- C05C7/02—Granulation; Pelletisation; Degassing; Hydrating; Hardening; Stabilisation; Oiling
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/124—Treatment for improving the free-flowing characteristics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
"Verfahren zur Trockengranulierung von halogenhaltigen Polymeren" Zusatz zur deutschen Patentanmeldung G 38496 IVc/39b. "Process for dry granulation of halogen-containing polymers" Addition to German patent application G 38496 IVc / 39b.
Gegenstand der deutschen Patentanmeldung C 384-96 IYc/39b ist ein Verfahren zur Granulierung von als Yerarbeitungshilfsmittel bzw. Zusatzstoffe für Kunststoffe, insbesondere PVC, geeigneter Produkte, dadurch gekennzeichnet, daß man pulverförmige anorganische und/oder Metallseifenstabilisatoren und ggfl. Füllstoffe, Farbstoffe, Antistatika oder Antiflaiamittel unter Zuhilfenahme geeigneter organischer Produkte, die einen Kohlenwasserstoffrest enthalten und deren Schmelzpunkt über 40 Grad C liegt, granuliert, indem man die Mischung unter scharfem Rühren über den Schmelzpunkt des Granulierhilfsmittels erwärmt und anschließend unter Kühlung und langsamerem Rühren auf Raumtemperatur bringt.Subject of the German patent application C 384-96 IYc / 39b is a method of granulating as a processing aid or additives for plastics, especially PVC, suitable products, characterized in that one powdered inorganic and / or metal soap stabilizers and possibly. Fillers, dyes, or antistatic agents Anti-Laia agents with the help of suitable organic Products that contain a hydrocarbon residue and whose melting point is above 40 degrees C are granulated by the mixture is heated with vigorous stirring above the melting point of the granulating aid and then under Bring cooling and slower stirring to room temperature.
Als Granulierhilfsmittel geeignet sind insbesondere solche Produkte, die üblicherweise als Gleitmittel bei der Kunststoffverarbeitung eingesetzt werden. Sie enthalten meist ' einen längerkettigen Kohlenwasserstoffrest. Vorzugsweise Walrat oder andere Ester aus Fettalkoholen bzw, synthetischen Alkoholen mit mindestens 6 Kohlenstoffatomen und Fettsäuren, Ester aus Fettsäuren und mehrwertigen Alkoholen, auch Partialester,wie Glycerinmonostearat, Trimethylol- _2_< Particularly suitable as granulating aids are those products which are usually used as lubricants in plastics processing. They usually contain a long-chain hydrocarbon residue. Preferably whale rat or other esters of fatty alcohols or synthetic alcohols with at least 6 carbon atoms and fatty acids, esters of fatty acids and polyhydric alcohols, including partial esters such as glycerol monostearate, trimethylol _ 2 _ <
TELEFONPHONE
MONCHENi 544031-34MONCHENi 544031-34
KREFELO. 501(7KREFELO. 501 (7
BAHNSiNDUNOtN BETRIEB MÖNCHENBAHNSiNDUNOtN OPERATION MÖNCHEN
SAr. ν— 20.4»SAr. ν— 20.4 »
propyldistearat oder Pentaerythritdistearat, Pettalkohole, entsprechende synthetische Alkohole, Pottsäuren, entsprechende synthetische Säuren, Oxy- oder Halojenfettsäuren. propyl distearate or pentaerythritol distearate, petalcohols, corresponding synthetic alcohols, potash acids, corresponding synthetic acids, oxy- or halo-fatty acids.
Daneben sind Paraffine, Syntheseparaffine, Montanwachse, veredelte Montanwachse, gehärtete öle, wie z.B. gehärtetes Ricinusöl, Esterwachse, Fettsäureamide, Pett3.:iurealkylolamide, Pettsäurealkylolaminester, wie Triäthanolamindistearat, Pettamine, Fettketone, v/ie Stearon, Ar.h.ydride höherer !Carbonsäure, Alkylphenole und nicht zulet.-t längerkettige Ither, wie z.B. Dintearylüther oie^ Pettulkohnl- bzw. Alkylphenolpoly^lykoläther als Granuliorhilfsnittel geeignet. Eingesetzt werden 2 - 40ji, vorzugsweise 7 - 15#, bezogen auf ien zu granulierenden Stoff.In addition, paraffins, synthetic paraffins, montan waxes, refined montan waxes, hardened oils, such as hardened castor oil, ester waxes, fatty acid amides, Pett3. : iurealkylolamides, patty acid alkylolamine esters, such as triethanolamine distearate, pettamines, fatty ketones, v / ie stearon, aromatic hydrides of higher carboxylic acid, alkylphenols and not allowed longer-chain ethers, such as dintearylether or as granulated alcohol or alkylphenol poly suitable. Use 2 - 40ji, preferably 7 - 15 #, based on the substance to be granulated.
Granulierhilfsmittel, die bei Raumtemperatur sehr hart 3ind und dem Granulat einen spröden Griff verleihen, können durch geeignete Weichmacher y/eiehgesteilt werden. Harte Gra— nulierhilfsmittel sind beispielsweise die Syntheseparaffine oder die veredelten Kontanvvashse mit Schmelzpunkten um 100 Grad C oder Äthylen-bis-stearamid mit einem Schmelzpunkt um 135 Grad C. Aber auch niedriger schmelzende Wachse, wie z.B. Carnaubawachß, können bei Raumtemperatur hart und spröde sein· Zur Weichstellung sind die üblichen Weichmacher, wie Mineralöle, Chlorparaffine, epoxydierte Öle, wie epoxydiertes Sojabohnenöl, "aber auch Phthalatweiehmacher, wie DOP oder Phosphatweichmacher, wie Trikresylphosphat, geeignet.Granulating aids, which are very hard at room temperature and give the granulate a brittle handle, can be used be divided by suitable plasticizers. Hard gra— Nulierhilfsmittel are, for example, the synthetic paraffins or the refined Kontanvashse with melting points around 100 degrees C or ethylene-bis-stearamide with a melting point around 135 degrees C. But waxes with a lower melting point, such as carnauba wax, can become hard and brittle at room temperature His · For softening, the usual plasticizers, such as mineral oils, chlorinated paraffins, epoxidized oils, such as epoxidized Soybean oil, "but also phthalate plasticizers, such as DOP or Phosphate plasticizers such as tricresyl phosphate are suitable.
Es wurde nun gefunden, daß es nach dem erfindungsgemäßen Verfahren auch möglich ist, halogenhaltige Polymerisate zu granulieren» wobei diese nach einem der üblichen bekannten Yerfahren, wie z.B. dem Verfahren der Blockpolymerisation, der Suspensionspolymerisation oder der Emulsionspolymerisation hergestellt sein können./Das erfindungsgemäßeIt has now been found that according to the invention Process is also possible to granulate halogen-containing polymers »with these according to one of the usual known Methods such as the block polymerization method, the suspension polymerization method or the emulsion polymerization method can be produced. / The inventive
-3-009849/1786 -3- 009849/1786
Verfahren ist auch zur Granulierung von Vinylhalogenid-I«inohpolyme"i Paten, insbeaor.iere aus Vinylchlorid/Vinyl-•icotat, r.ttr Granulierung von Pfropf polymer en oder auch Vs.> ;.'li Jenchloridpolymeren «3;eei£:iiet.Process is also for the granulation of vinyl halide-I "inohpolyme" i godfather insbeaor.iere of vinyl chloride / vinyl • icotat, r.ttr granulation of graft polymer s or s V>;.. 'Li Jenchloridpolymeren "3; eei £ : iiet.
jio beschriebenen al3 Granulierhilfsniitiel dienenden Jt.*i*fe sii.'l bei du; Granulie-runost»?nperaturen im gesrhniolzenen Zustande als Bini*»:..it tel wirksam und ver- :*:r..iern boi ii-.um temperatur al.i '-renniiittel ein Zusammen-Ul üben der Granulate· Bei der Anwendung des erfiniun^sjeia:i.?en TrockenfaranulioruncSverfiihrens auf die Granulierung vni. haloi;enh'ilti en Polymeren dienen die als Granulierhilfsn.ittoi wirkeni-n Stoffe gleichzeitig alö Trenn- und Entf-":::un.*puii öl büi der Yerarbeitunc der Granulate. Dies "..•■t uin bononder^r Vorteil des Verfahrens, denn man" kann als Granjüi· rhilfr:::ittel eclche Produkte mit Vorteil benutzen, 'lie npater bei der YerarbeiiuT.,; ins Hartes ohnehin als Gleit- bsw· Trcnnnittc-l :'Ut:"set^t werden müßten. Diese können mit SflinieΊ npunkten in einem sehr weiten Bereich ausgewählt und somit den Jeweiligen technischen Erfordernissen b°i der Verarbeitung angepaßt werien, beispielsweise Ester aus Fettsäure!, und mehrwertigen Alkoholen, wie Glycerininonoatearat, als verträ^-li-'hen Gleitmittel für die Hartverarbeitur.j vor* FVC für Trnr.sparente oder glasklare Artikel. jio described al3 Granulierhilfsniitiel serving Jt. * i * fe sii.'l bei du; Granules run o stern temperatures in the generalized state as binaries When applying the invented drying process to the granulation v n i. haloi; enh'ilti en polymers serve as granulation auxiliaries, acti-n substances at the same time as separating and removing - "::: un. * puii oil for processing the granules. This" .. • ■ t uin bononder ^ r advantage of the process, because one "can be advantageously used as Granjüi · rhilfr ::: edium eclche products 'lie npater in YerarbeiiuT; the hard anyway as sliding bsw · Trcnnnittc-l.' U t" set ^ t would have to be. These can be selected with SflinieΊnpunkt in a very wide range and thus adapted to the respective technical requirements for processing, for example esters from fatty acids !, and polyhydric alcohols, such as glycerinononoatearate, as a tolerable lubricant for hard processing .j before * FVC for transparent or crystal clear articles.
Ein weiterer Vorteil des erfind-in^s^naSen Verfahrens lie^t darin, da.? bei der Granulierung nc^h weitere "ti£itz?toffe, wie z.B. Stabilisatoren, Farbstoffe, Ai-tistatika, Ar.tiflammittel oder nicht zuletzt Füllstoffe, bereits mit granuliert worden können. Fehler, die beim späteren Einmischen dieser Hilfsstoffe in die bisherigen pulverförmigen halogenhaltigen Harze auftreten, beispielsweise aufgrund unterschiedlicher Dichte, werden dadurch ausgeschlossen und dadurch bedingte UnregelÄäßigkeiten in Fertigprodukt naturgemäß Terraieden. Das erfindungsgemäße Verfahren ermöglichtAnother advantage of the inventive method lies in, there.? during the granulation there are additional "additives, such as stabilizers, dyes, anti-static agents, anti-flame agents or, last but not least, fillers that can already be granulated with. Mistakes made when meddling later these auxiliaries in the previous powdery halogen-containing Resins occur, for example due to different density, are thereby excluded and the resulting irregularities in the finished product naturally Terrain. The method according to the invention enables
009849/1786009849/1786
CHEMISCHE WEIKt MÖNCHEN · OTTO IÄIIOCHM &M.LH. CHEMICAL WEIKt MÖNCHEN OTTO IÄIIOCHM & M.LH.
2C.4#iq66 „ An das Deutsche Patentamt in München2C.4 # iq66 “To the German Patent in Munich
nc, alfo, fertige fUr den jeweiligen Verwendungszweck abgesiimr.te Compounds auf einfache Art in Granulatform herzustellen und stellt somit einen bedeutenden technischen ?ortneiritl f"r die Verarbeitung halogenhaltiger Polymerer lar. nc, alfo, ready-made compounds sealed for the respective application in a simple manner in granulate form and thus represents an important technical location for the processing of halogen-containing polymers.
3in bedeutender technischer Portschritt liegt auch in der irinuliitform als solcher. Im Gegensatz zu feinpulvrigen Prcd Jk* er. garantiert die Granulatform Riesolfähigkeit, Staubfr?iheit und unbeschränkte Lagerstabilität. Die Rieselfähig- ;-.-:t ermöglicht Lagerung in Vorratssilos und damit kontinuierliche Dosierung*Another important technical step lies in the form of the infinite as such. In contrast to finely powdered Prcd Jk * er. The granulate form guarantees Riesol ability and freedom from dust and unlimited storage stability. The pourable; -.-: t enables storage in storage silos and thus continuous Dosage*
üur Bildur.r der Sranulate nach den erfindungsgemäi?en· Verfahren werden die ] -ilvorföriuij-or. l.-.l o.:-niia] tijen Harze in einem 3^f:tiell laufenden heiz- und kühllnren Eisenwerk mit mehr als 1C00 Upa susa nen mit den Granuli.rhiIf«mitteln auf eine Tenp ratur, die über dem Schmelzpunkt des Sranulierhilfsmittels liegt, gebracht. Ij-3i niedrig pchn.elcenden aranulierhilfamitteln, 2.E. Tilgfettalkohol r.it einem Schmelzpunkt von etwa 48°C, wird diese !Temperatur durch die Reibungswärme im schnell laufenden Mischwerk erreicht· Bei höher schmelzenden Granu"! ierhilfsmitteln, z.B. gehärtetem Ricinusöl mit einem Schmelzpunkt von etwa 840G1 wird zusätzlich geheist. Nach Überschreitung des Schmelzpunkte· de« Sranulierhilfsinittels ivird die Temperaturzufuhr - soweit gehieut wurde eingestellt und die Umdrehungsgeschwindigkeit dta Rührwerkes auf unter 700 Upm reduziert. Das Granulat bildet sich, während unter Kühlung langsam gerührt wird. Je nach Rührgeschwindigkeitf Temperatur und Granulierhilfsmittel erhält man kleinere oder größere Granulate'mit fiurchmessern «wischen 0#1 und 10 ma· Die Schmelzpunkte der Granulierhilfsmittel liegen zwischen 40 und 1500C. Die bevorsugten Granulierungstemperaturen liegen «wischen 45 und 55°0·For the formation of the sranulates according to the method according to the invention, the] -ilvorföriuij-or. l .-. l o.:-niia] tijen resins in a 3 ^ f: tially running heated and cool internal ironworks with more than 1C00 Upa susa with the granules Granulating aid is brought. Ij-3i low-temperature granulating aids, 2.E. Tilgfettalkohol r.it a melting point of about 48 ° C, this! Temperature is ierhilfsmitteln by the frictional heat in the high-speed mixer · achieved With higher melting Granu! ", For example, hydrogenated castor oil with a melting point of about 84 0 G 1 is additionally geheist. After If the melting point of the granulating aid is exceeded, the temperature supply is stopped - as far as this has been done and the speed of rotation of the agitator is reduced to below 700 rpm. The granules are formed while the mixture is stirred slowly with cooling. Depending on the stirring speed, temperature and granulating aid, smaller or larger granules are obtained 'with fiurchmessern "wipe 0 # 1 and 10 ma · the melting points of the granulation are lying the bevorsugten granulation temperatures between 40 and 150 0 C." wipe 45 and 55 ° 0 ·
009849/1786009849/1786
20.1.1966 . An das Deutsche iatöntur.t in !.!liehenJanuary 20, 1966. Loaned to the German iatöntur.t in!.!
Sehr, ιVery, ι
kg eines pulverförrr.igen Emulsionapolyvinylchlorids mit tinen E-7fert von 60 werden mit 3 kg Cetylpalmitat in einem hfciz- und kündbaren 75 liter Mischer mit 1B00 üpm gemischt, Vcrh. etwa 15 Minuten Misohzeit iot die Granulierung temperatur v>i. etwa 500C ohne zusätzliche Heizung erreicht. !Tun -.vird mit 6OC üpm weiter gerührt und zusätzlich rakühlt. 'lan erhält Granulate mit einem mittleren Durchmesser von 1 mm.kg of a powdery emulsion polyvinyl chloride with tinen E-7fert of 60 are mixed with 3 kg of cetyl palmitate in a 75 liter mixer that can be switched off and on at 1B00 rpm, Vcrh. about 15 minutes miso time iot the granulation temperature v> i. reached about 50 0 C without additional heating. ! Do-. Is stirred further at 60 ° C rpm and additionally cooled. 'lan receives granules with an average diameter of 1 mm.
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC0038826 | 1966-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1669780A1 true DE1669780A1 (en) | 1970-12-03 |
Family
ID=7023465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19661669780 Pending DE1669780A1 (en) | 1966-04-20 | 1966-04-20 | Process for dry granulation of halogen-containing polymers |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1669780A1 (en) |
ES (1) | ES339563A2 (en) |
GB (1) | GB1178848A (en) |
NL (1) | NL6705586A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10241375A1 (en) | 2002-09-06 | 2004-03-18 | Clariant Gmbh | Granular flame retardant composition |
-
1966
- 1966-04-20 DE DE19661669780 patent/DE1669780A1/en active Pending
-
1967
- 1967-04-03 GB GB05176/67A patent/GB1178848A/en not_active Expired
- 1967-04-20 NL NL6705586A patent/NL6705586A/xx unknown
- 1967-04-20 ES ES339563A patent/ES339563A2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES339563A2 (en) | 1968-06-16 |
NL6705586A (en) | 1967-10-23 |
GB1178848A (en) | 1970-01-21 |
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