[go: up one dir, main page]

BR8802759A - Processo para preparacao de polissilaciclobutassilazanas modificadas com silana,composicao de polissilaciclobutassilazanas,processos para reticulacao de tais composicoes e materiais ceramicos - Google Patents

Processo para preparacao de polissilaciclobutassilazanas modificadas com silana,composicao de polissilaciclobutassilazanas,processos para reticulacao de tais composicoes e materiais ceramicos

Info

Publication number
BR8802759A
BR8802759A BR8802759A BR8802759A BR8802759A BR 8802759 A BR8802759 A BR 8802759A BR 8802759 A BR8802759 A BR 8802759A BR 8802759 A BR8802759 A BR 8802759A BR 8802759 A BR8802759 A BR 8802759A
Authority
BR
Brazil
Prior art keywords
silana
polysylacyclebutassilazan
polystylacyclebutassilazanes
harness
compositions
Prior art date
Application number
BR8802759A
Other languages
English (en)
Inventor
Gary Thomas Burns
Original Assignee
Dow Corning
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 Dow Corning filed Critical Dow Corning
Publication of BR8802759A publication Critical patent/BR8802759A/pt

Links

Classifications

    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • C04B35/571—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained from Si-containing polymer precursors or organosilicon monomers
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/589—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained from Si-containing polymer precursors or organosilicon monomers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/60—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which all the silicon atoms are connected by linkages other than oxygen atoms
    • C08G77/62—Nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Polymers (AREA)
BR8802759A 1987-06-08 1988-06-07 Processo para preparacao de polissilaciclobutassilazanas modificadas com silana,composicao de polissilaciclobutassilazanas,processos para reticulacao de tais composicoes e materiais ceramicos BR8802759A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5896687A 1987-06-08 1987-06-08

Publications (1)

Publication Number Publication Date
BR8802759A true BR8802759A (pt) 1988-12-27

Family

ID=22019997

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8802759A BR8802759A (pt) 1987-06-08 1988-06-07 Processo para preparacao de polissilaciclobutassilazanas modificadas com silana,composicao de polissilaciclobutassilazanas,processos para reticulacao de tais composicoes e materiais ceramicos

Country Status (4)

Country Link
EP (1) EP0295807A3 (pt)
JP (1) JPH0653801B2 (pt)
BR (1) BR8802759A (pt)
CA (1) CA1302619C (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633301A1 (fr) * 1988-06-22 1989-12-29 Atochem Polysilazanes, leur procede de preparation, leur utilisation comme precurseurs de ceramiques et lesdites ceramiques
FR2673201A1 (fr) * 1991-02-26 1992-08-28 Rhone Poulenc Chimie Fibres inorganiques a base de silicium, de carbone, d'azote et d'oxygene.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1328514A (en) * 1970-01-09 1973-08-30 Dow Corning Ltd Trisilylated amine compound with silacyclobutane ring
DE2243527A1 (de) * 1972-09-05 1974-04-18 Bayer Ag Formkoerper aus homogenen mischungen von siliciumcarbid und siliciumnitrid und verfahren zu ihrer herstellung
US4482669A (en) * 1984-01-19 1984-11-13 Massachusetts Institute Of Technology Preceramic organosilazane polymers
FR2590584B1 (fr) * 1985-11-28 1988-03-04 Rhone Poulenc Spec Chim Procede de preparation, en deux etapes, de reticulats d'organopolysilazanes de tenue thermique amelioree pouvant servir notamment comme precurseur ceramique
US4720532A (en) * 1986-08-22 1988-01-19 Massachusetts Institute Of Technology Organopolysilazane precursors to silicon nitride-rich mixed SiC/Si3 N4

Also Published As

Publication number Publication date
EP0295807A2 (en) 1988-12-21
EP0295807A3 (en) 1990-04-11
JPH0653801B2 (ja) 1994-07-20
JPS63312326A (ja) 1988-12-20
CA1302619C (en) 1992-06-02

Similar Documents

Publication Publication Date Title
BR8703218A (pt) Processo para fabricacao de composicao catalisadora e composicao catalisadora
BR8804512A (pt) Mistura endurecivel,processo para preparacao de produtos reticulados e utilizacao
OA08487A (fr) Process for preparation of aloe products, products produced thereby and compositions thereof.
BR8504941A (pt) Metodo para densificacao de materiais ceramicos
PT87075A (pt) Aparelho misturador e processo para o fabrico do mesmo
BR8702901A (pt) Processo para preparacao de compostos e composicao herbicida
IL82231A0 (en) 1-hydroxy-2-pyridones,process for their preparation,and pharmaceutical compositions which contain them and intermediates formed in the preparation of the 1-hydroxy-2-pyridones
BR8807066A (pt) Processo para preparar materiais contendo anel de isocianurato
BR8904592A (pt) Composicoes poliolefinicas plastoelastomericas e processo para preparacao das mesmas
BR8705801A (pt) Processo para producao de objetos moldados,composicao de alimentacao para polimerizacao e uso de tal composicao
BR8603406A (pt) Composicao de revestimento condutor,processo de protecao catodica de concreto ou outros materiais de construcao e concreto condutor
BR8702944A (pt) Composto de associacao,composicao explosiva e processo para preparacao do composto
BR8904658A (pt) Composicao e processo para o aclaramento otico de materiais
ES2013727B3 (es) Procedimiento para la fabricacion de articulos de cerdas y articulos de cerdas fabricadas por dicho procedimiento.
PT84294B (pt) Processo de preparacao de anilinas substituidas e de composicoes farmaceuticas contendo-as
BR8602462A (pt) Processo para preparacao de composicoes plasto-elastomericas
BR8803768A (pt) Composicao odorante,processo para producao de compostos e uso dos ditos compostos
BR8702906A (pt) Processo para preparacao de compostos e composicao herbicida
BR8802759A (pt) Processo para preparacao de polissilaciclobutassilazanas modificadas com silana,composicao de polissilaciclobutassilazanas,processos para reticulacao de tais composicoes e materiais ceramicos
BR8801632A (pt) Aparelho e processo para alimentacao de mistura crua de sinterizacao
BR8402618A (pt) Composicoes polimericas,processo para a preparacao de composicoes polimericas e artefatos
PT95074A (pt) Processo e instalacao para o processamento de pecas de materiais planos, macios, flexiveis
BR8704108A (pt) Composto de cerio,processo de preparacao de alcanolatoamida cerica,composicao e alcanolatoamina cerica
BR8504151A (pt) Processo para a preparacao de carbonilfenilsulfonil-guanidinas substituidas,composicoes herbicidas,aplicacao,processos para a preparacao de composicoes e para a preparacao de compostos
BR8500702A (pt) Processo para a preparacao de materiais e emprego