JPS646171A - Waterproofing sheet - Google Patents

Waterproofing sheet

Info

Publication number
JPS646171A
JPS646171A JP15783187A JP15783187A JPS646171A JP S646171 A JPS646171 A JP S646171A JP 15783187 A JP15783187 A JP 15783187A JP 15783187 A JP15783187 A JP 15783187A JP S646171 A JPS646171 A JP S646171A
Authority
JP
Japan
Prior art keywords
bentonite
nonwoven fabric
fabric
sheet
impregnated
Prior art date
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.)
Pending
Application number
JP15783187A
Other languages
Japanese (ja)
Inventor
Kanji Higaki
Toru Sueoka
Akira Nakanishi
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.)
Taisei Corp
Original Assignee
Taisei Corp
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 Taisei Corp filed Critical Taisei Corp
Priority to JP15783187A priority Critical patent/JPS646171A/en
Publication of JPS646171A publication Critical patent/JPS646171A/en
Pending legal-status Critical Current

Links

Landscapes

  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

PURPOSE: To prepare a waterproof sheet that is produced by impregnating the texture inside of a nonwoven fabric uniformly with bentonite and manifests even and stable waterproofing effect. CONSTITUTION: Nonwoven fabric 2 made of natural or synthetic fibers is dipped in a bentonite solution of a high concentration and is impregnated with bentonite evenly to all the corners of the fabric and dried. In addition, the bentonite- impregnated nonwoven fabric is laminated with waterproof plastic sheets, for example, polyethylene sheets on both sides of the fabric, whereby the objective waterproof sheet having stabilized waterproofing effect and without the occurrence of separation of bentonite even when the sheet is folded, is obtained.
JP15783187A 1987-06-26 1987-06-26 Waterproofing sheet Pending JPS646171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15783187A JPS646171A (en) 1987-06-26 1987-06-26 Waterproofing sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15783187A JPS646171A (en) 1987-06-26 1987-06-26 Waterproofing sheet

Publications (1)

Publication Number Publication Date
JPS646171A true JPS646171A (en) 1989-01-10

Family

ID=15658282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15783187A Pending JPS646171A (en) 1987-06-26 1987-06-26 Waterproofing sheet

Country Status (1)

Country Link
JP (1) JPS646171A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06240571A (en) * 1992-12-16 1994-08-30 American Colloid Co Waterproof material formed of mat of clay/fiber

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580577A (en) * 1978-12-11 1980-06-17 Chevron Res Water impermeable product

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580577A (en) * 1978-12-11 1980-06-17 Chevron Res Water impermeable product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06240571A (en) * 1992-12-16 1994-08-30 American Colloid Co Waterproof material formed of mat of clay/fiber

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