ES474824A1 - Un metodo de preparar una fibra de sulfato calcico dispersa-ble - Google Patents

Un metodo de preparar una fibra de sulfato calcico dispersa-ble

Info

Publication number
ES474824A1
ES474824A1 ES474824A ES474824A ES474824A1 ES 474824 A1 ES474824 A1 ES 474824A1 ES 474824 A ES474824 A ES 474824A ES 474824 A ES474824 A ES 474824A ES 474824 A1 ES474824 A1 ES 474824A1
Authority
ES
Spain
Prior art keywords
calcium sulfate
temperature
fibrous calcium
whisker
autoclaving
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.)
Expired
Application number
ES474824A
Other languages
English (en)
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.)
Certainteed LLC
Original Assignee
Certain Teed Corp
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 Certain Teed Corp filed Critical Certain Teed Corp
Publication of ES474824A1 publication Critical patent/ES474824A1/es
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • 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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Fibers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Un método de preparar una fibra de sulfato cálcico dispersable, que comprende calentar una suspensión acuosa que comprende entre aproximadamente 5 % y aproximadamente 10% en peso de yeso y entre aproximadamente 0,0005% y aproximadamente 0,5% en peso de un agente dispersante, a una temperatura superior a unos 110ºC, bajo presión autógena.
ES474824A 1977-11-25 1978-11-06 Un metodo de preparar una fibra de sulfato calcico dispersa-ble Expired ES474824A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/854,774 US4152408A (en) 1977-11-25 1977-11-25 Fibrous calcium sulfate

Publications (1)

Publication Number Publication Date
ES474824A1 true ES474824A1 (es) 1979-03-16

Family

ID=25319494

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474824A Expired ES474824A1 (es) 1977-11-25 1978-11-06 Un metodo de preparar una fibra de sulfato calcico dispersa-ble

Country Status (14)

Country Link
US (1) US4152408A (es)
JP (1) JPS5482397A (es)
AU (1) AU527260B2 (es)
BE (1) BE872265A (es)
BR (1) BR7807575A (es)
CA (1) CA1115487A (es)
DE (1) DE2849313C2 (es)
ES (1) ES474824A1 (es)
FR (1) FR2415077A1 (es)
GB (3) GB2085418B (es)
IT (1) IT1100592B (es)
MX (1) MX150726A (es)
NL (1) NL187532C (es)
SE (1) SE444672B (es)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362651A (en) * 1979-03-22 1982-12-07 Schwarzenbek Eugene F High porosity catalysts
US4286995A (en) * 1980-03-27 1981-09-01 National Gypsum Company Mica-free joint compound
JPS56145116A (en) * 1980-04-14 1981-11-11 Idemitsu Kosan Co Ltd Continuous preparation of light gypsum
SE8302590L (sv) * 1983-05-06 1984-11-07 Boliden Ab Forfarande for framstellning av fibergips (i)
SE8302592L (sv) * 1983-05-06 1984-11-07 Boliden Ab Forfarande for framstellning av fibergips (iii)
US4647486A (en) * 1983-12-28 1987-03-03 United States Gypsum Company Fire resistant gypsum board . . . anhydrite
US5148645A (en) * 1984-02-27 1992-09-22 Georgia-Pacific Corporation Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board
US4722866A (en) * 1985-04-09 1988-02-02 Georgia-Pacific Corporation Fire resistant gypsum board
US4664707A (en) * 1985-04-09 1987-05-12 Georgia-Pacific Corporation Fire resistant gypsum composition
US4801355A (en) * 1987-01-16 1989-01-31 United States Gypsum Company Tabular acicular gypsum and method of filling paper
RU2101252C1 (ru) * 1988-11-18 1998-01-10 Юнайтед Стейтс Джипсум Компани Сырьевая смесь для получения композиционного материала, композиционный материал, способ приготовления сырьевой смеси для получения композиционного материала и способ производства гипсоволокнистых плит
JPH03504596A (ja) * 1989-03-16 1991-10-09 ユナイテツド　ステイツ　ジプサム　カンパニー 硫酸カルシウム・マイクロフアイバの製造方法及び装置
US5103844A (en) * 1990-06-07 1992-04-14 R. J. Reynolds Tobacco Company Cigarette paper and cigarette incorporating same
US5401588A (en) * 1992-12-23 1995-03-28 Georgia-Pacific Resins Inc. Gypsum microfiber sheet material
GB9310891D0 (en) * 1993-05-26 1993-07-14 Tran Ind Res Inc Utilization of deinking sludge in building materials
US7556791B2 (en) * 2006-12-20 2009-07-07 United States Gypsum Company Gypsum anhydrite fillers and process for making same
CN101311337B (zh) * 2008-04-25 2010-06-16 东北大学 利用烟气脱硫石膏制备硫酸钙晶须的方法
CN101475328B (zh) * 2009-01-20 2011-03-30 天津科技大学 石膏转晶激发剂及在盐石膏生产建筑石膏中的应用
CN101550602B (zh) * 2009-05-19 2011-10-05 武汉科技大学 一种以脱硫石膏为原料的CaSO4晶须及其制备方法
PL2327672T3 (pl) * 2009-11-16 2017-08-31 Bpb Limited Materiał na bazie zaprawy gipsowej zawierający środek zdolny do zatrzymywania formaldehydu
CN102002756B (zh) * 2010-11-16 2013-03-20 东北大学 利用烧结矿烟气脱硫副产物制备硫酸钙晶须的方法
CN103436950B (zh) * 2013-09-16 2016-03-16 金正大生态工程集团股份有限公司 一种盐酸分解磷矿联产硫酸钙晶须和磷铵肥料的生产方法
WO2015085139A1 (en) * 2013-12-06 2015-06-11 Georgia-Pacific Gypsum Llc Gypsum composite modifiers
CN104947179A (zh) * 2015-06-18 2015-09-30 张灵芝 一种硫酸钙晶须的制备方法
CN110257915A (zh) * 2018-12-04 2019-09-20 天津科技大学 一种以浓厚卤水为原料制取生产高品质半水硫酸钙晶须的方法
CN113512761A (zh) * 2021-07-09 2021-10-19 浙江钙宝新材料有限公司 一种工业固废石膏的纯化及制备硫酸钙晶须方法
CN113774716A (zh) * 2021-09-08 2021-12-10 福泉环保城发展有限公司 一种提高纸张强度的多功能助剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822340A (en) * 1972-03-27 1974-07-02 Franklin Key Calcium sulfate whisker fibers and the method for the manufacture thereof
US3961105A (en) * 1972-03-27 1976-06-01 Certain-Teed Products Corporation Method for the manufacture of coated calcium sulfate whisker fibers
US3835219A (en) * 1972-08-16 1974-09-10 Johns Manville Method for the preparation of fibrous soluble calcium sulfate anhydrite
US3977890A (en) * 1972-08-16 1976-08-31 Johns-Manville Corporation Method for the preparation of fibrous calcium sulfate hemihydrate
US4029512A (en) * 1974-08-05 1977-06-14 Johns-Manville Corporation Method for the preparation of fibrous insoluble calcium sulfate anhydrite
JPS5812235B2 (ja) * 1975-09-29 1983-03-07 オノダセメント カブシキガイシヤ セツコウシンジヨウケツシヨウセンイ ノ セイゾウホウホウ

Also Published As

Publication number Publication date
NL187532B (nl) 1991-06-03
DE2849313A1 (de) 1979-05-31
US4152408A (en) 1979-05-01
AU4186478A (en) 1979-05-31
GB2085418B (en) 1982-12-15
FR2415077B1 (es) 1984-08-03
SE444672B (sv) 1986-04-28
BR7807575A (pt) 1979-07-24
IT1100592B (it) 1985-09-28
FR2415077A1 (fr) 1979-08-17
JPS5482397A (en) 1979-06-30
GB2009124B (en) 1982-10-20
MX150726A (es) 1984-07-06
JPS6213285B2 (es) 1987-03-25
SE7812144L (sv) 1979-05-26
BE872265A (fr) 1979-05-25
GB2090583A (en) 1982-07-14
NL187532C (nl) 1991-11-01
DE2849313C2 (de) 1987-04-23
GB2090583B (en) 1982-11-24
AU527260B2 (en) 1983-02-24
NL7811529A (nl) 1979-05-29
GB2009124A (en) 1979-06-13
CA1115487A (en) 1982-01-05
IT7830144A0 (it) 1978-11-24
GB2085418A (en) 1982-04-28

Similar Documents

Publication Publication Date Title
DE2960678D1 (en) Process for producing a single crystal of ktiopo4 or its analogues
BE880500A (fr) Hydrolysat d'amidon hydrogene non cariogene, procede de preparation et applications de cet hydrolysat
GB1549029A (en) Process for the conversion of gypsum into calcium sulphate hemihydrate
OA06319A (fr) Procédé de gélatinisation et de dispersion de l'amidon.
BE872265A (fr) Procede de preparation de fibres en sulfate de calcium et produits industriels ainsi obtenus
ES437314A1 (es) Procedimiento para preparar sulfato calcico alfa-semihidrata-do.
BE856967A (fr) Procede de preparation de xylane et de matieres fibreuses a partir de matieres premieres vegetales contenant du xylane.
BR7504721A (pt) Processo para a preparacao de acido fluoridrico e sulfato de calcio
NO803699L (no) Fremgangsmaate til fremstilling av en hydrolyserbar titanylsulfatopploesning
BR7308671D0 (pt) Um processo para a lavagem de cristais de cristais de anidrita de sulfato de acido e/ou hemihidrato de sulfato de calcio, processo para a producao de acido fosforico pelo processo a umido de bloco de valvula
GB2037267B (en) Process for the manufacture of zirconium oxide from technical grade calcium zirconate
GB2011363B (en) Production of calcium sulphate
SE9100657D0 (sv) Avlaegsnande av sulfat fraan alkalimetallkloratloesningar och framstaellning av alkaliklorat inklusive naemnda avlaegsnande
GB2027706B (en) Removal of oxazole from acrylonitrile by formation of oxazole sulphate
IT1099079B (it) Trattamento degli affluenti degli impianti adibiti alla produzione di titanio biossido con il procedimento al solfato
IT1157177B (it) Procedimento per la produzione di solfato di calcio in particolare da effluenti acquosi
GB1519924A (en) Process for the preparation of tetramethylthiuram monosulphide
DE2965549D1 (en) Process for the preparation of calcium sulphate hemihydrate and calcium sulphate hemihydrate obtained by this process
SE7706274L (sv) Sferisk gips och forfarande for framstellning derav
IL35950A0 (en) Process for the manufacture of anhydrous calcium sulphate ii from synthetic gypsum,a plaster or a cement containing the same
JPS5370100A (en) Production of fibrous hydrous alkali calcium silicate
BE810851A (fr) Procede de production de fluorure de calcium a partir de fluosilicates et de gypse sous-produit
BE881837A (fr) Procede de production d'un melange de sulfate de calcium hemihydrate et de sulfate de calcium dihydrate et ses applications
NO142902C (no) Fremgangsmaate ved fremstilling av kalsiumsulfat
FR2350335A1 (fr) Procede de preparation du sulfate de l'octapeptidamide de la cholecystokinine-pancreozymine

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990201