EP 3986834 A1 20220427 - THERMALLY CROSS-LINKED BITUMINOUS COMPOSITIONS COMPRISING CLAY PARTICLES, ASSOCIATED METHODS AND USES
Title (en)
THERMALLY CROSS-LINKED BITUMINOUS COMPOSITIONS COMPRISING CLAY PARTICLES, ASSOCIATED METHODS AND USES
Title (de)
THERMISCH VERNETZTE BITUMINÖSE ZUSAMMENSETZUNGEN MIT TONTEILCHEN, ZUGEHÖRIGE VERFAHREN UND VERWENDUNGEN
Title (fr)
COMPOSITIONS BITUMINEUSES THERMORETICULEES COMPRENANT DES PARTICULES D'ARGILE, PROCEDES ET UTILISATIONS ASSOCIES
Publication
Application
Priority
- FR 1906545 A 20190618
- FR 2020051054 W 20200618
Abstract (en)
[origin: WO2020254763A1] The invention relates to bituminous compositions comprising: - a matrix formed by thermal cross-linking of a mixture comprising: *a bitumen base, *a thermally cross-linkable elastomer, chosen among the thermally cross-linkable block copolymers of formula S-B-S, also called thermally cross-linkable SBS elastomers, in which each S independently represents a block made of aromatic monovinyl hydrocarbon monomers, B represents a block made of butadiene monomers, the block B comprising pendant vinyl groups, and in which the blocks S represent, together, at least 15% by moles of the total number of moles of monomer units of the thermally cross-linkable block copolymer, the thermally cross-linkable block copolymers having a weight average molecular mass ranging from 40,000 to 500,000 g/mol and having a pendant vinyl group content greater than or equal to 20% by moles, with respect to the total number of moles of thermally cross-linkable block copolymer monomer units, and *an olefinic polymer adjuvant functionalised with epoxide groups, and in particular with glycidyl groups, - clay particles distributed in the matrix. The invention also relates to a method for preparing such compositions, as well as their use in the road-construction and industrial fields.
IPC 8 full level
C01B 33/44 (2006.01); C08J 3/24 (2006.01); C08L 95/00 (2006.01); E01C 7/18 (2006.01); E04B 1/66 (2006.01)
CPC (source: EP)
C01B 33/44 (2013.01); C08J 3/201 (2013.01); C08L 95/00 (2013.01); C08J 2395/00 (2013.01); C08J 2409/06 (2013.01); C08J 2433/08 (2013.01); C08L 2555/84 (2013.01)
Citation (search report)
See references of WO 2020254763A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3097551 A1 20201225; FR 3097551 B1 20210709; EP 3986834 A1 20220427; WO 2020254763 A1 20201224
DOCDB simple family (application)
FR 1906545 A 20190618; EP 20786006 A 20200618; FR 2020051054 W 20200618