JPH01308824A - 水酸化アルミニウムを主体とする充填剤および防炎剤の製造方法、およびプラスチック用補強剤 - Google Patents

水酸化アルミニウムを主体とする充填剤および防炎剤の製造方法、およびプラスチック用補強剤

Info

Publication number: JPH01308824A
Authority: JP; Japan
Prior art keywords: aluminum hydroxide; aluminate solution; sodium aluminate; filler; additives
Prior art date: 1988-02-11
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

Application number

JP1030094A

Other languages

English (en)

Japanese (ja)

Inventor

Hubertus Schmidt

フーベルトウス・シュミット

Albrecht Husmann

アルブレヒト・フスマン

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.)

Vereinigte Aluminium Werke AG

Original Assignee

Vereinigte Aluminium Werke AG

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.)

1988-02-11

Filing date

1989-02-10

Publication date

1989-12-13

1989-02-10 Application filed by Vereinigte Aluminium Werke AG filed Critical Vereinigte Aluminium Werke AG

1989-12-13 Publication of JPH01308824A publication Critical patent/JPH01308824A/ja

Status Pending legal-status Critical Current

Links

WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 title claims abstract description 31
239000000945 filler Substances 0.000 title claims abstract description 14
239000012744 reinforcing agent Substances 0.000 title claims description 7
238000004519 manufacturing process Methods 0.000 title claims description 6
239000004033 plastic Substances 0.000 title claims description 5
229920003023 plastic Polymers 0.000 title claims description 5
239000003795 chemical substances by application Substances 0.000 title description 2
238000000034 method Methods 0.000 claims abstract description 46
230000008569 process Effects 0.000 claims abstract description 15
239000000654 additive Substances 0.000 claims abstract description 13
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 12
239000003063 flame retardant Substances 0.000 claims abstract description 10
229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 10
RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 8
230000000996 additive effect Effects 0.000 claims abstract description 5
235000014113 dietary fatty acids Nutrition 0.000 claims abstract 4
229930195729 fatty acid Natural products 0.000 claims abstract 4
239000000194 fatty acid Substances 0.000 claims abstract 4
150000004665 fatty acids Chemical class 0.000 claims abstract 4
150000005846 sugar alcohols Polymers 0.000 claims abstract 4
239000013078 crystal Substances 0.000 claims description 12
238000002425 crystallisation Methods 0.000 claims description 12
239000002245 particle Substances 0.000 claims description 12
230000008025 crystallization Effects 0.000 claims description 11
239000002054 inoculum Substances 0.000 claims description 8
238000003756 stirring Methods 0.000 claims description 5
238000001914 filtration Methods 0.000 claims description 3
239000012757 flame retardant agent Substances 0.000 claims description 3
229910052782 aluminium Inorganic materials 0.000 claims description 2
238000000227 grinding Methods 0.000 claims description 2
150000003839 salts Chemical class 0.000 claims description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 3
238000011081 inoculation Methods 0.000 claims 3
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 2
150000001875 compounds Chemical class 0.000 claims 2
125000002887 hydroxy group Chemical group [H]O* 0.000 claims 2
229910001416 lithium ion Inorganic materials 0.000 claims 2
WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims 1
DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims 1
QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims 1
WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims 1
HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 1
ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims 1
239000005642 Oleic acid Substances 0.000 claims 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims 1
150000007933 aliphatic carboxylic acids Chemical class 0.000 claims 1
125000004429 atom Chemical group 0.000 claims 1
125000004432 carbon atom Chemical group C* 0.000 claims 1
235000011187 glycerol Nutrition 0.000 claims 1
QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims 1
229910003002 lithium salt Inorganic materials 0.000 claims 1
159000000002 lithium salts Chemical class 0.000 claims 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 1
150000002889 oleic acids Chemical class 0.000 claims 1
229920000136 polysorbate Polymers 0.000 claims 1
230000005070 ripening Effects 0.000 claims 1
229920006395 saturated elastomer Polymers 0.000 claims 1
150000004671 saturated fatty acids Chemical class 0.000 claims 1
235000003441 saturated fatty acids Nutrition 0.000 claims 1
235000002906 tartaric acid Nutrition 0.000 claims 1
239000011975 tartaric acid Substances 0.000 claims 1
150000003892 tartrate salts Chemical class 0.000 claims 1
150000004670 unsaturated fatty acids Chemical class 0.000 claims 1
235000021122 unsaturated fatty acids Nutrition 0.000 claims 1
238000004131 Bayer process Methods 0.000 abstract description 5
239000002253 acid Substances 0.000 abstract description 2
230000002787 reinforcement Effects 0.000 abstract description 2
229910001679 gibbsite Inorganic materials 0.000 abstract 4
241000276425 Xiphophorus maculatus Species 0.000 abstract 1
150000002642 lithium compounds Chemical class 0.000 abstract 1
150000004645 aluminates Chemical class 0.000 description 9
230000000694 effects Effects 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
230000003014 reinforcing effect Effects 0.000 description 3
239000000126 substance Substances 0.000 description 3
229920001169 thermoplastic Polymers 0.000 description 3
239000004416 thermosoftening plastic Substances 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
238000001035 drying Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
239000000463 material Substances 0.000 description 2
239000012452 mother liquor Substances 0.000 description 2
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
238000005498 polishing Methods 0.000 description 2
241000218645 Cedrus Species 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
241001237728 Precis Species 0.000 description 1
230000009471 action Effects 0.000 description 1
230000002730 additional effect Effects 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
235000013334 alcoholic beverage Nutrition 0.000 description 1
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
AUILUYDQMACQAY-UHFFFAOYSA-H aluminum gold(3+) hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Al+3].[Au+3] AUILUYDQMACQAY-UHFFFAOYSA-H 0.000 description 1
FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
230000008859 change Effects 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000004020 conductor Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000003292 glue Substances 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
239000010931 gold Substances 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000009940 knitting Methods 0.000 description 1
239000004922 lacquer Substances 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
230000007246 mechanism Effects 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
239000000203 mixture Substances 0.000 description 1
238000005457 optimization Methods 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
239000003973 paint Substances 0.000 description 1
238000012805 post-processing Methods 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
239000002994 raw material Substances 0.000 description 1
235000011888 snacks Nutrition 0.000 description 1
235000011121 sodium hydroxide Nutrition 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000004381 surface treatment Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
- C01F7/145—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Geology (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Compositions Of Macromolecular Compounds (AREA)
Paper (AREA)
Fire-Extinguishing Compositions (AREA)
Fireproofing Substances (AREA)

JP1030094A 1988-02-11 1989-02-10 水酸化アルミニウムを主体とする充填剤および防炎剤の製造方法、およびプラスチック用補強剤 Pending JPH01308824A (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP88102017.6		1988-02-11
EP88102017A EP0327660B1 (de)	1988-02-11	1988-02-11	Verfahren zur Herstellung von Füllstoffen und Flammschutzmitteln auf der Basis von Aluminiumhydroxid in Form von Hydrargillit

Publications (1)

Publication Number	Publication Date
JPH01308824A true JPH01308824A (ja)	1989-12-13

Family

ID=8198717

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1030094A Pending JPH01308824A (ja)	1988-02-11	1989-02-10	水酸化アルミニウムを主体とする充填剤および防炎剤の製造方法、およびプラスチック用補強剤

Country Status (8)

Country	Link
US (1)	US5100641A (2)
EP (1)	EP0327660B1 (2)
JP (1)	JPH01308824A (2)
AT (1)	ATE83222T1 (2)
DE (1)	DE3876615D1 (2)
ES (1)	ES2037749T3 (2)
GR (1)	GR3007003T3 (2)
HU (1)	HU206188B (2)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4039053A1 (de) *	1990-12-07	1992-06-11	Henkel Kgaa	Polyglycerine im bayer-prozess
CA2126914A1 (en) *	1993-06-30	1994-12-31	Gillain Mary Moody	Production of alumina
US5435986A (en) *	1994-08-30	1995-07-25	Industrial Technology Research Institute	Method for preparing high purity aluminum hydroxide
GB9726117D0 (en) *	1997-12-11	1998-02-11	Isis Innovation	Process for producing alumina
GB9800855D0 (en) *	1998-01-15	1998-03-11	Allied Colloids Ltd	Production of alumina
US7976821B2 (en) *	2005-06-23	2011-07-12	Nalco Company	Composition and method for improved aluminum hydroxide production
KR101374985B1 (ko) *	2005-11-24	2014-03-14	스미또모 가가꾸 가부시끼가이샤	깁사이트 유형 수산화 알루미늄 입자
US9284625B2 (en) *	2007-11-20	2016-03-15	Nalco Company	Use of polyols as scale control reagents in the mining processes
CN101878186A (zh) *	2007-11-30	2010-11-03	纳诺洛吉卡股份公司	用于制备有控制结构与粒度的纳米多孔氧化铝基材料的方法和利用所述方法获得的纳米多孔氧化铝
CN102060315A (zh) *	2010-12-08	2011-05-18	中国铝业股份有限公司	利用一缩二乙二醇生产氢氧化铝的方法
CN102557093B (zh) *	2012-03-01	2015-03-18	东北大学	一种用于拜尔法生产氧化铝工艺中的添加剂及其制备方法
CN112678853B (zh) *	2019-10-18	2023-04-18	中国石油化工股份有限公司	片状晶粒薄水铝石及其制备方法
CN113666402B (zh) *	2021-08-13	2022-07-08	吉林大学	一种羟基氧化铝纳米材料及其制备方法
JP2026502498A (ja) *	2023-02-24	2026-01-23	エルジーエナジーソリューションリミテッド	アルミニウムトリヒドロキシド粒子、その製造方法、それを含むセパレータ、電極組立体及びリチウム二次電池

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE636707C (de) *	1933-07-26	1936-10-15	Chemische Fabriken Akt Ges Gam	Verfahren zur Ausfaellung von Tonerdehydrat aus Alkalialuminatloesungen
US3105053A (en) *	1955-02-21	1963-09-24	Socony Mobil Oil Co Inc	Process for preparing alumina hydrosol and gel
GB1123184A (en) *	1964-08-25	1968-08-14	Andrija Fuderer	Improved method for recovering alumina from aluminate liquor
US3874889A (en) *	1973-06-13	1975-04-01	Aluminum Co Of America	Fire retardant composition
CA1069486A (en) *	1975-11-10	1980-01-08	Nalco Chemical Company	Method of preparing a controlled pore volume alumina with citric acid
DE3131088C2 (de) *	1981-08-06	1984-11-29	Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn	Verfahren zur Herstellung von Aluminiumhydroxid
FR2560591B1 (fr) *	1984-03-02	1986-09-19	Rhone Poulenc Spec Chim	Procede de fabrication d'hydrargillite
US4822593A (en) *	1986-12-11	1989-04-18	Aluminum Company Of America	Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
US4900537A (en) *	1986-12-11	1990-02-13	Biotage, Inc.	Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration

1988
- 1988-02-11 DE DE8888102017T patent/DE3876615D1/de not_active Expired - Fee Related
- 1988-02-11 ES ES198888102017T patent/ES2037749T3/es not_active Expired - Lifetime
- 1988-02-11 EP EP88102017A patent/EP0327660B1/de not_active Expired - Lifetime
- 1988-02-11 AT AT88102017T patent/ATE83222T1/de not_active IP Right Cessation
1989
- 1989-02-10 JP JP1030094A patent/JPH01308824A/ja active Pending
- 1989-02-10 HU HU89631A patent/HU206188B/hu not_active IP Right Cessation
- 1989-02-13 US US07/310,259 patent/US5100641A/en not_active Expired - Fee Related
1993
- 1993-01-29 GR GR930400192T patent/GR3007003T3/el unknown

Also Published As

Publication number	Publication date
ATE83222T1 (de)	1992-12-15
ES2037749T3 (es)	1993-07-01
HU206188B (en)	1992-09-28
US5100641A (en)	1992-03-31
HUT49545A (en)	1989-10-30
GR3007003T3 (2)	1993-07-30
EP0327660A1 (de)	1989-08-16
DE3876615D1 (de)	1993-01-21
EP0327660B1 (de)	1992-12-09

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US5215734A (en)	1993-06-01	Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof
AU676834B2 (en)	1997-03-27	Process for producing alpha-alumina
US3313594A (en)	1967-04-11	Method for producing crystalline aluminosilicate zeolitic particles of uniform size
US4374119A (en)	1983-02-15	Process for the production of coarse crystalline alumina
US4822593A (en)	1989-04-18	Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
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US2281477A (en)	1942-04-28	Mixing
US5100641A (en)	1992-03-31	Method for the production of fillers and flame retardants based on gibbsite and application in plastics
HU187981B (en)	1986-03-28	Process for producing of medium granulated aluminium-hydroxide free choosable between 2 and 100 micron
US5227025A (en)	1993-07-13	Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof
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US4007253A (en)	1977-02-08	Production of synthetic zeolite of faujasite structure
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Gnyra et al.	1975	The coarsening of Bayer alumina trihydrate by means of crystallization modifiers
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JPH0262487B2 (2)	1990-12-25
US2164943A (en)	1939-07-04	Preparation of calcium carbonate
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