HOT MELT COMPOSITION AND ITS USE

Japanese Patent JP3437779

B2

PROBLEM TO BE SOLVED: To provide a hot-melt composition that suppresses the cold brittleness and the hot fluidity with excellent flexibility and can readily adhere to and peels off from the substrate and has excellent quality as a cushioning material, a damping material and an industrial sealing material.
SOLUTION: This hot-melt composition comprises 100 pts.wt. of a styrene thermoplastic elastomer having an intrinsic viscosity [η] of ≥1 dl/g and 200-3,000 pts.wt. of a liquid softening agent selected from process oil, liquid rubber, and their modified products. This composition has (a) a softening point of 120-130°C according to the ring and ball method; (b) no occurrence of cracking, when the compression strain of ≥75% is loaded under the atmosphere of from -30°C to +40°C; and (c) it does not flow, when it is left under no load in an atmosphere at 100°C for 24 hours. When the formulation of the liquid softening agent is 500-1,200 pts.wt., the composition is useful as an industrial sealing material, while 1,200-3,000 pts.wt. is useful as a cushioning material or a damping material.

JP5135792	Crosslinkable rubber composition and rubber crosslinked product
WO/2021/231517	CURABLE OXAMATE ESTERS AND FORMULATIONS MADE THEREFROM
JP3853078	PREPARATION OF SEALANT

Yasuhito Suzuki
Mitsuru Sakashita
Satoshi Iwata
Ryutaro Nozaki
Junichi Nakayama

JP3791999A

August 18, 2003

February 16, 1999

Click for automatic bibliography generation  

Asahi Chemical Synthesis Co., Ltd.

C09K3/10; C08K5/01; C08L21/00; C08L25/04; C08L53/02; C08L57/02; C08L93/04; C09J109/00; C09J153/02; C09J191/00; (IPC1-7): C08L21/00; C08K5/01; C08L25/04; C08L53/02; C08L57/02; C08L93/04; C09K3/10

JP9208928A
JP5125252A
JP2502023A
JP6510553A
JP7506614A

Yukio Shoji

Previous Patent: DEVICE FOR SENDING IN AND ASSEMBLING JACKING PIPE

Next Patent: ULTRASONIC MOTOR AND STEERING DEVICE