FR2010426A1 - Coating of quartz sand in bulk with organic resin - Google Patents

Coating of quartz sand in bulk with organic resin

Info

Publication number
FR2010426A1
FR2010426A1 FR6918491A FR6918491A FR2010426A1 FR 2010426 A1 FR2010426 A1 FR 2010426A1 FR 6918491 A FR6918491 A FR 6918491A FR 6918491 A FR6918491 A FR 6918491A FR 2010426 A1 FR2010426 A1 FR 2010426A1
Authority
FR
France
Prior art keywords
quartz sand
organic resin
bulk
coating
grains
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
Application number
FR6918491A
Other languages
French (fr)
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.)
Quarzwerke GmbH
Original Assignee
Quarzwerke GmbH
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.)
Filing date
Publication date
Application filed by Quarzwerke GmbH filed Critical Quarzwerke GmbH
Publication of FR2010426A1 publication Critical patent/FR2010426A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/94—Liquid charges
    • B29B7/945—Liquid charges involving coating particles

Abstract

Fine-grained (preferably 0.01 to 1 mm.) material, especially quartz sand or quartz flour, is coated with organic resin, especially organic silicon compounds, in soln. in water or solvents as follows:- (a) portion of grains is mixed with whole of resin. (b) this mixture is mixed with rest of grains in forced circulation mixer.
FR6918491A 1968-06-08 1969-06-05 Coating of quartz sand in bulk with organic resin Pending FR2010426A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681771558 DE1771558B1 (en) 1968-06-08 1968-06-08 Process for coating fine-grain bulk material, in particular quartz sand and quartz powder

Publications (1)

Publication Number Publication Date
FR2010426A1 true FR2010426A1 (en) 1970-02-13

Family

ID=5700901

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918491A Pending FR2010426A1 (en) 1968-06-08 1969-06-05 Coating of quartz sand in bulk with organic resin

Country Status (3)

Country Link
BE (1) BE734248A (en)
DE (1) DE1771558B1 (en)
FR (1) FR2010426A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096733A (en) * 1989-10-30 1992-03-17 The United States Of America As Represented By The Secretary Of The Dept. Of Health And Human Services Prevention of the acute cytotoxicity associated with silica containing minerals
WO1992010286A2 (en) * 1990-12-10 1992-06-25 Manville Corporation Method and composition of preparing encapsulated ceramic metal oxides
EP0619137A1 (en) * 1993-04-08 1994-10-12 Ciba-Geigy Ag Process to prepare finely granulated material
WO2000038895A1 (en) * 1998-12-29 2000-07-06 Pirelli Cavi E Sistemi S.P.A. Method and apparatus for introducing in continuous a substance in liquid phase into plastics granules

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096733A (en) * 1989-10-30 1992-03-17 The United States Of America As Represented By The Secretary Of The Dept. Of Health And Human Services Prevention of the acute cytotoxicity associated with silica containing minerals
WO1992010286A2 (en) * 1990-12-10 1992-06-25 Manville Corporation Method and composition of preparing encapsulated ceramic metal oxides
WO1992010286A3 (en) * 1990-12-10 1992-08-06 Manville Corp Method and composition of preparing encapsulated ceramic metal oxides
EP0619137A1 (en) * 1993-04-08 1994-10-12 Ciba-Geigy Ag Process to prepare finely granulated material
WO2000038895A1 (en) * 1998-12-29 2000-07-06 Pirelli Cavi E Sistemi S.P.A. Method and apparatus for introducing in continuous a substance in liquid phase into plastics granules
US7077906B2 (en) 1998-12-29 2006-07-18 Pirelli Cavi E Sistemi S.P.A. Apparatus for continuously introducing a substance in liquid phase into plastics granules

Also Published As

Publication number Publication date
BE734248A (en) 1969-11-17
DE1771558B1 (en) 1970-12-03

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