FLAME RETARDANT HEAT-SHRINKABLE TUBE AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To impart excellent expansion processability to a halogen-free flame retardant heat-shrinkable tube and also superb printing property and printability to the surface of the tube. SOLUTION: This tube is constituted of an outer layer composed mainly of a polyolefin resin obtained...

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Bibliographic Details
Main Authors HAYAMI HIROSHI, AZUMA SHUJI, KISHIMOTO TOMOYOSHI, MORIUCHI KIYOAKI, HORI KIYOMASA
Format Patent
LanguageEnglish
Published 06.11.2003
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To impart excellent expansion processability to a halogen-free flame retardant heat-shrinkable tube and also superb printing property and printability to the surface of the tube. SOLUTION: This tube is constituted of an outer layer composed mainly of a polyolefin resin obtained by adding 100 to 250 pts.wt. of a metallic hydroxide or a metallic hydroxide surface-treated by a silane coupling agent to 100 pts.wt. of a polyolefin resin, and an inner layer composed mainly of a polyolefin resin obtained by adding 100 to 250 pts.wt. of a polyolefin resin obtained by adding 100 to 250 pts.wt. of a metallic hydroxide surface-treated by an anionic surfactant to 100 pts.wt. of a polyolefin resin. The thickness of the outer layer is equivalent to 50% or lower of the overall thickness. A magnesium hydroxide is preferably used as the metallic hydroxide. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020125395