NO136802B - PROCEDURE FOR THE PREPARATION OF COATED PAPER WHICH HAS A HIGH BULK AND A GLOSSARY VALUE OF AT LEAST 50. - Google Patents

PROCEDURE FOR THE PREPARATION OF COATED PAPER WHICH HAS A HIGH BULK AND A GLOSSARY VALUE OF AT LEAST 50. Download PDF

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Publication number
NO136802B
NO136802B NO246070A NO246070A NO136802B NO 136802 B NO136802 B NO 136802B NO 246070 A NO246070 A NO 246070A NO 246070 A NO246070 A NO 246070A NO 136802 B NO136802 B NO 136802B
Authority
NO
Norway
Prior art keywords
glossary
procedure
preparation
value
coated paper
Prior art date
Application number
NO246070A
Other languages
Norwegian (no)
Other versions
NO136802C (en
Inventor
Howard Lee Ranger
Mahlon Randall Kirk
Abbott Woodward Mosher
Original Assignee
Scott Paper Co
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 Scott Paper Co filed Critical Scott Paper Co
Publication of NO136802B publication Critical patent/NO136802B/en
Publication of NO136802C publication Critical patent/NO136802C/en

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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H19/00Coated paper; Coating material
    • D21H19/80Paper comprising more than one coating
    • D21H19/82Paper comprising more than one coating superposed
    • D21H19/822Paper comprising more than one coating superposed two superposed coatings, both being pigmented

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  • Paper (AREA)

Description

Kj øretøyhj ulringer. Kj eartøj hj ulrings.

Det er kjent å fremstille kj øretøyhj ulringer av natur- eller kunstkautsjuk. It is known to manufacture kj øretøyhj ulrings from natural or synthetic rubber.

Det er videre kjent å vulkanisere amor-fe blandingspolymerisater av etylen og propylen, som er blitt fremstilt med Ziegler-katalysatorer etter lavtrykks-polymerisa-sjonsmetoden (sml. Raff Allison, Polyethy-lene, 1956, s. 72—81) bed hjelp av peroksy-der (se belgisk patent nr. 567 253'). Disse vulkanisater utmerker seg ved stor be-standighet mot luft, oksygen, ozon, avgnid-ning, og har høye mekaniske styrkeverdier. It is also known to vulcanize amor-fe mixed polymers of ethylene and propylene, which have been prepared with Ziegler catalysts according to the low-pressure polymerization method (cf. Raff Allison, Polyethylene, 1956, pp. 72-81) with the help of peroxides (see Belgian patent no. 567,253'). These vulcanizates are distinguished by their high resistance to air, oxygen, ozone and abrasion, and have high mechanical strength values.

De nevnte vulkanisater tilsettes som oftest The mentioned vulcanizates are most often added

de for natur- og kunstkautsjuk kjente fyllstoffer, som f. eks. sot, anorganiske stoffer the fillers known for natural and artificial rubber, such as soot, inorganic substances

som Si02, TiO:>, samt svovel, mykningsmid-ler og strekkeoljer. such as SiO2, TiO:>, as well as sulphur, plasticizers and stretching oils.

Ansøkerne har funnet at man kan The applicants have found that one can

fremstille kj øretøyhj ulringer av vulkanisater av blandingspolymerisater av 25—49 produce kj öretøyhj ulrings of vulcanizates of mixed polymers of 25-49

mol-% propylen og 75—51 mol-% etylen, mol-% propylene and 75-51 mol-% ethylene,

som er blitt fremstilt vedZiegler-lavtrykks-polymerisasjonsmetoden. De i henhold til which has been prepared by the Ziegler low-pressure polymerization method. They according to

oppfinnelsen fremstilte kjøretøyhjulringer, the invention produced vehicle wheel rims,

som fabrikeres av de nevnte polymerisater, which is manufactured from the aforementioned polymers,

har en uventet lang levetid. De for frem-stillingen av kjøretøyhjulringer i henhold has an unexpectedly long life. Those for the production of vehicle wheel rims in accordance

til oppfinnelsen tjenende blandingspolymerisater kan — nøyaktig som vulkanisater mixed polymers useful for the invention can - exactly like vulcanizates

av natur- og kunstkautsjuk — tilsettes de of natural and synthetic rubber — they are added

kjente fyllstoffer og videre tilsettes egnede known fillers and other suitable ones are added

mineraloljer. Som strekkeoljer anvendes mineral oils. Used as stretching oils

særlig mineraloljer av overveiende para-finkarakter mens oljer som har overveiende in particular mineral oils of predominantly paraffinic character while oils which have predominantly

nafteniske eller aromatiske bestanddeler naphthenic or aromatic constituents

er mindre egnet da de innblandes dårligere are less suitable as they blend in less well

eller har inhibiterende innvirkning på vul- or has an inhibitory effect on vul-

kaniseringen. Med parafiniske oljer menes det her slike oljer som inneholder mere enn 50 % av karbonatomene i åpenkjedet, ali-fatisk binding. De utmerker seg ved å ha en lav viskositets-tetthetskonstant på 0,85. Blandingspolymerisater av høyere molekylvekt har en større evne til å oppta slike som tilblanding tjenende oljer, samtidig som de gode egenskaper bibeholdes. Til fremstil-ling av blandingspolymerisater for kjøre-tøyhjulringer i henhold til oppfinnelsen anvender man blandingspolymerisater som har en molekylvekt på 50 000—800 000, for-trinnsvis 80 000—500 000. Det kan i de for hjulringfremstillingen tjenende blandingspolymerisater innføres forholdsvis større mengder av tilblandingsoljer enn det er mulig å innføre i sammenlikningsbare ut-gangsstoffer når det gjelder natur- og kunstkautsjuk. the canization. By paraffinic oils is meant here such oils which contain more than 50% of the carbon atoms in the open-chain, aliphatic bond. They are distinguished by having a low viscosity-density constant of 0.85. Mixing polymers of higher molecular weight have a greater ability to absorb oils that serve as admixtures, while maintaining their good properties. For the production of mixed polymers for vehicle wheel rims according to the invention, mixed polymers are used which have a molecular weight of 50,000-800,000, preferably 80,000-500,000. Relatively larger amounts of additive oils than it is possible to introduce into comparable starting materials when it comes to natural and synthetic rubber.

Hvis kjøretøyhjulringer fremstilles av blandingspolymerisater av etylen/propylen, som har et tallmessig annet grunnmolekyl-forhold enn det foran nevnte, får man hjul-ringer som har dårligere egenskaper. If vehicle wheel rims are made from mixed polymers of ethylene/propylene, which have a numerically different base molecule ratio than that mentioned above, wheel rims with poorer properties are obtained.

Claims (2)

1. Kjøretøyhjulringer bestående av vulkanisater av ved Ziegler-lavtrykks-polymerisasjonsmetoden fremstilte blandingspolymerisater av 25—49 mol-% propylen og 75—51 mol-% etylen.1. Vehicle wheel rings consisting of vulcanizates of mixed polymers of 25-49 mol-% propylene and 75-51 mol-% ethylene produced by the Ziegler low-pressure polymerization method. 2. Kj øretøyhj ulring ifølge påstand 1, med blandingspolymerisater etylen/propylen i molekylvektområdet 50 000—800 000.2. An earring ring according to claim 1, with mixed polymers ethylene/propylene in the molecular weight range 50,000—800,000.
NO246070A 1969-06-25 1970-06-24 PROCEDURE FOR THE PREPARATION OF COATED PAPER WHICH HAS A HIGH BULK AND A GLOSSARY VALUE OF AT LEAST 50 NO136802C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83659269A 1969-06-25 1969-06-25
US3984970A 1970-05-22 1970-05-22

Publications (2)

Publication Number Publication Date
NO136802B true NO136802B (en) 1977-08-01
NO136802C NO136802C (en) 1977-11-09

Family

ID=26716513

Family Applications (1)

Application Number Title Priority Date Filing Date
NO246070A NO136802C (en) 1969-06-25 1970-06-24 PROCEDURE FOR THE PREPARATION OF COATED PAPER WHICH HAS A HIGH BULK AND A GLOSSARY VALUE OF AT LEAST 50

Country Status (11)

Country Link
JP (1) JPS5436246B1 (en)
AT (1) AT317669B (en)
BE (1) BE752496A (en)
DE (1) DE2031257B2 (en)
ES (1) ES381145A1 (en)
FI (1) FI54002C (en)
FR (1) FR2051310A5 (en)
GB (1) GB1315192A (en)
NL (1) NL164626C (en)
NO (1) NO136802C (en)
SE (1) SE379220B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0888866B1 (en) * 1997-07-01 2002-11-06 Nan Ya Plastics Corporation A process for the production of a biaxially oriented polypropylene synthetic paper of high gloss and easy drying printability

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US332448A (en) * 1885-12-15 Abraham sheffield and calvin voobhis
GB886462A (en) * 1960-01-20 1962-01-10 Mead Corp Casting surface for producing cast-surfaced mineral coated paper
GB953713A (en) * 1960-04-04 1964-04-02 Beloit Iron Works Improvements in or relating to the finishing of coated paper web materials
US3115438A (en) * 1960-08-11 1963-12-24 Champion Papers Inc Method of coating paper

Also Published As

Publication number Publication date
ES381145A1 (en) 1972-11-16
FR2051310A5 (en) 1971-04-02
FI54002C (en) 1978-09-11
BE752496A (en) 1970-12-28
NO136802C (en) 1977-11-09
AT317669B (en) 1974-09-10
FI54002B (en) 1978-05-31
DE2031257B2 (en) 1980-03-13
SE379220B (en) 1975-09-29
GB1315192A (en) 1973-04-26
NL164626C (en) 1981-01-15
NL7009314A (en) 1970-12-29
DE2031257A1 (en) 1971-01-07
JPS5436246B1 (en) 1979-11-08
NL164626B (en) 1980-08-15

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