CA1065202A - Calcium sulphate fibres having inorganic coatings - Google Patents

Calcium sulphate fibres having inorganic coatings

Info

Publication number: CA1065202A
Authority: CA; Canada
Prior art keywords: calcium; fiber; sulphate; fibers; coated
Prior art date: 1977-08-25
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

CA304,774A

Other languages

English (en)

French (fr)

Inventor

Alois Aignesberger

Ekkehard Weinberg

Walter Lukas

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.)

Evonik Operations GmbH

Original Assignee

SKW Trostberg 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.)

1977-08-25

Filing date

1978-06-05

Publication date

1979-10-30

1978-06-05 Application filed by SKW Trostberg AG filed Critical SKW Trostberg AG

1979-10-30 Application granted granted Critical

1979-10-30 Publication of CA1065202A publication Critical patent/CA1065202A/en

Status Expired legal-status Critical Current

Links

OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title claims abstract description 106
239000001175 calcium sulphate Substances 0.000 title claims abstract description 43
235000011132 calcium sulphate Nutrition 0.000 title claims abstract description 43
238000000576 coating method Methods 0.000 title claims abstract description 38
238000000034 method Methods 0.000 claims abstract description 18
230000008569 process Effects 0.000 claims abstract description 16
229910010272 inorganic material Inorganic materials 0.000 claims abstract description 15
238000004519 manufacturing process Methods 0.000 claims abstract description 8
150000002484 inorganic compounds Chemical class 0.000 claims abstract description 6
239000001913 cellulose Substances 0.000 claims abstract description 5
229920002678 cellulose Polymers 0.000 claims abstract description 5
239000011230 binding agent Substances 0.000 claims abstract description 4
229920003002 synthetic resin Polymers 0.000 claims abstract description 4
239000000057 synthetic resin Substances 0.000 claims abstract description 4
239000000835 fiber Substances 0.000 claims description 63
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 20
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
229910052925 anhydrite Inorganic materials 0.000 claims description 18
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
239000011248 coating agent Substances 0.000 claims description 14
150000003839 salts Chemical class 0.000 claims description 13
229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
150000001875 compounds Chemical class 0.000 claims description 9
239000011147 inorganic material Substances 0.000 claims description 9
239000001506 calcium phosphate Substances 0.000 claims description 8
229910000389 calcium phosphate Inorganic materials 0.000 claims description 8
235000011010 calcium phosphates Nutrition 0.000 claims description 8
239000000378 calcium silicate Substances 0.000 claims description 8
229910052918 calcium silicate Inorganic materials 0.000 claims description 8
OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 8
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 8
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 7
229910001634 calcium fluoride Inorganic materials 0.000 claims description 7
230000015572 biosynthetic process Effects 0.000 claims description 4
238000007380 fibre production Methods 0.000 claims description 4
239000012266 salt solution Substances 0.000 claims description 4
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical group O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 3
239000000725 suspension Substances 0.000 claims description 3
230000002378 acidificating effect Effects 0.000 claims description 2
239000012736 aqueous medium Substances 0.000 claims description 2
239000013587 production medium Substances 0.000 claims description 2
229940043430 calcium compound Drugs 0.000 claims 3
150000001674 calcium compounds Chemical class 0.000 claims 3
238000005728 strengthening Methods 0.000 abstract description 6
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 12
239000000243 solution Substances 0.000 description 12
PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 8
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
239000004115 Sodium Silicate Substances 0.000 description 5
239000007864 aqueous solution Substances 0.000 description 5
229910052602 gypsum Inorganic materials 0.000 description 5
239000010440 gypsum Substances 0.000 description 5
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
229910052911 sodium silicate Inorganic materials 0.000 description 5
238000003756 stirring Methods 0.000 description 5
239000004743 Polypropylene Substances 0.000 description 4
230000008859 change Effects 0.000 description 4
238000001914 filtration Methods 0.000 description 4
239000011775 sodium fluoride Substances 0.000 description 4
235000013024 sodium fluoride Nutrition 0.000 description 4
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
229920000965 Duroplast Polymers 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
239000011575 calcium Substances 0.000 description 3
229960005069 calcium Drugs 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
229960003563 calcium carbonate Drugs 0.000 description 3
235000010216 calcium carbonate Nutrition 0.000 description 3
150000004683 dihydrates Chemical class 0.000 description 3
239000000463 material Substances 0.000 description 3
239000000123 paper Substances 0.000 description 3
229910000029 sodium carbonate Inorganic materials 0.000 description 3
229910021653 sulphate ion Inorganic materials 0.000 description 3
125000003118 aryl group Chemical group 0.000 description 2
WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 2
229910001626 barium chloride Inorganic materials 0.000 description 2
159000000007 calcium salts Chemical class 0.000 description 2
239000011111 cardboard Substances 0.000 description 2
239000013078 crystal Substances 0.000 description 2
230000006735 deficit Effects 0.000 description 2
239000003822 epoxy resin Substances 0.000 description 2
230000006872 improvement Effects 0.000 description 2
239000000203 mixture Substances 0.000 description 2
229920000647 polyepoxide Polymers 0.000 description 2
239000000047 product Substances 0.000 description 2
230000035484 reaction time Effects 0.000 description 2
239000001488 sodium phosphate Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
229910000406 trisodium phosphate Inorganic materials 0.000 description 2
235000019801 trisodium phosphate Nutrition 0.000 description 2
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
239000004638 Duroplast Substances 0.000 description 1
240000000731 Fagus sylvatica Species 0.000 description 1
235000010099 Fagus sylvatica Nutrition 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
108010009736 Protein Hydrolysates Proteins 0.000 description 1
206010037660 Pyrexia Diseases 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
239000002253 acid Substances 0.000 description 1
230000009471 action Effects 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
239000007900 aqueous suspension Substances 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
239000000292 calcium oxide Substances 0.000 description 1
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
239000004568 cement Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
150000002118 epoxides Chemical class 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
230000012010 growth Effects 0.000 description 1
-1 hate dihYdrate Chemical class 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000004571 lime Substances 0.000 description 1
238000011068 loading method Methods 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
238000001000 micrograph Methods 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000011253 protective coating Substances 0.000 description 1
239000003531 protein hydrolysate Substances 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
239000002002 slurry Substances 0.000 description 1
235000017550 sodium carbonate Nutrition 0.000 description 1
235000019794 sodium silicate Nutrition 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000000758 substrate Substances 0.000 description 1
239000001117 sulphuric acid Substances 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000001993 wax Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/025—Calcium sulfates
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
- 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
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/18—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of inorganic fibres with or without cellulose fibres

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Textile Engineering (AREA)
General Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Paper (AREA)
Paints Or Removers (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)

CA304,774A 1977-08-25 1978-06-05 Calcium sulphate fibres having inorganic coatings Expired CA1065202A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2738415A DE2738415B2 (de)	1977-08-25	1977-08-25	Calciumsulfatfasern mit anorganischen Überzügen

Publications (1)

Publication Number	Publication Date
CA1065202A true CA1065202A (en)	1979-10-30

Family

ID=6017317

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA304,774A Expired CA1065202A (en)	1977-08-25	1978-06-05	Calcium sulphate fibres having inorganic coatings

Country Status (8)

Country	Link
JP (1)	JPS5446996A (de)
AT (1)	AT369441B (de)
CA (1)	CA1065202A (de)
DE (1)	DE2738415B2 (de)
FR (1)	FR2401243A1 (de)
GB (1)	GB1597669A (de)
IT (1)	IT7868591A0 (de)
SE (1)	SE431566B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES8200625A1 (es) *	1979-12-14	1981-11-01	Monsanto Co	Un procedimiento para preparar fosfato de calcio-sodio o li-tio cristalino con forma de amianto
US4360625A (en) *	1979-12-14	1982-11-23	Monsanto Company	Acicular, crystalline calcium metaphosphate
DE3306478A1 (de) *	1982-12-30	1984-07-12	Bern 8700 Würzburg Lüchtrath	Fuellstoff fuer einen papier-, karton oder pappenartigen werkstoff und verfahren zur herstellung solcher werkstoffe
CN112779813B (zh) *	2020-09-04	2023-02-03	武汉科技大学	一种表面SiO2负载改性磷石膏纤维造纸填料的制备方法及应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2151331A (en) *	1935-07-05	1939-03-21	Du Pont	Process for making insoluble anhydrite
US3822340A (en) *	1972-03-27	1974-07-02	Franklin Key	Calcium sulfate whisker fibers and the method for the manufacture thereof
JPS52127951A (en) *	1976-04-19	1977-10-27	Kanegafuchi Chem Ind Co Ltd	Improved calcium salt fillers
JPS5916573B2 (ja) *	1976-07-31	1984-04-16	太平洋セメント株式会社	合成樹脂またはゴム用石膏充填材

1977
- 1977-08-25 DE DE2738415A patent/DE2738415B2/de not_active Ceased
1978
- 1978-05-25 GB GB22437/78A patent/GB1597669A/en not_active Expired
- 1978-06-05 CA CA304,774A patent/CA1065202A/en not_active Expired
- 1978-06-29 SE SE7807380A patent/SE431566B/sv unknown
- 1978-07-05 IT IT7868591A patent/IT7868591A0/it unknown
- 1978-08-02 FR FR7822844A patent/FR2401243A1/fr active Granted
- 1978-08-24 AT AT0617778A patent/AT369441B/de not_active IP Right Cessation
- 1978-08-24 JP JP10336878A patent/JPS5446996A/ja active Pending

Also Published As

Publication number	Publication date
SE7807380L (sv)	1979-02-26
SE431566B (sv)	1984-02-13
ATA617778A (de)	1982-05-15
AT369441B (de)	1982-12-27
DE2738415B2 (de)	1979-07-05
IT7868591A0 (it)	1978-07-05
JPS5446996A (en)	1979-04-13
FR2401243A1 (fr)	1979-03-23
GB1597669A (en)	1981-09-09
DE2738415A1 (de)	1979-03-01
FR2401243B1 (de)	1982-03-12

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US3961105A (en)	1976-06-01	Method for the manufacture of coated calcium sulfate whisker fibers
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NO791621L (no)	1980-09-08	Fremgangsmaate ved og middel for behandling av glassfibre
CA1112021A (en)	1981-11-10	Inorganic fibers
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US3835219A (en)	1974-09-10	Method for the preparation of fibrous soluble calcium sulfate anhydrite
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