摘要:
The aqueous adhesive composition comprises a resin based: - on at least one aromatic aldehyde bearing at least one aldehyde function, comprising at least one aromatic nucleus, and - on at least one compound of formula (I) in which: each R1, R2 and R3 group is, independently of one another, an alkyl, aryl, arylalkyl, alkylaryl, cycloalkyl or hydrogen group, and X is S, O or N‑R4 with R4 being an alkyl, aryl, arylalkyl, alkylaryl or cycloalkyl group.
摘要:
The invention relates to an aqueous adhesive composition comprising at least A) a phenol-aldehyde resin and B) an unsaturated elastomer latex, characterised in that the phenol-aldehyde resin is based on at least an aromatic polyaldehyde carrying at least two aldehyde functions and having at least one aromatic core, and phloroglucinol. Such an adhesive composition can especially be used to adhere a textile material to a cross-linkable rubber composition, and is an advantageous alternative to the use of a formaldehyde-based RFL glue.
摘要:
The invention relates to a reinforcing element (34) having a generally flattened cross-section and an aspect ratio greater than or equal to 5 and extending in a main direction (Z1). The element comprises a side edge (46) made from a polymer composition comprising a thermoplastic polymer, the side edge (46) extending in a general direction substantially parallel to the main direction. The reinforcing element (34) is such that R=(Uc-U1 )/Uc is such that R > 11 %, wherein: Uc is the average value of the microhardness of the reinforcing element (34) measured in the central portion thereof; and U1 is the average value of the microhardness of the reinforcing element (34) measured on the side edge (36) thereof. The side edge (46) has no ridges.
摘要:
The invention relates to an aqueous adhesive composition comprising at least A) a phenol-aldehyde resin and B) an unsaturated elastomer latex, characterised in that the phenol-aldehyde resin is based on at least an aromatic polyaldehyde carrying at least two aldehyde functions and having at least one aromatic core, and 2,2',4,4'-tetrahydroxydiphenyl sulfide. Such an adhesive composition can especially be used to adhere a textile material to a cross-linkable rubber composition, and is an advantageous alternative to the use of a formaldehyde-based RFL glue.
摘要:
The invention relates to a steel reinforcing element coated with an adhesive layer coating at least part of the reinforcing element. The adhesive layer comprises an adhesive composition containing: at least one unsaturated elastomer latex; and at least one phenol-aldehyde resin containing at least an aromatic aldehyde and a polyphenol comprising at least one aromatic core.
摘要:
The aqueous adhesive composition according to the invention comprises an unsaturated elastomer latex and a phenol-aldehyde resin with a base of: - an aldehyde of formula (I); wherein X comprises N, S or O and R represents -CHO, - a polyphenol comprising one or more aromatic core(s): o in the case of a single aromatic core, the latter carries two or three hydroxyl functions in the meta position relative to one another, the rest of the aromatic core being unsubstituted; o in the case of several aromatic cores, at least two of them each carry two or three hydroxyl functions in the meta position relative to one another, the two ortho positions of at least one of said hydroxyl functions being unsubstituted.
摘要:
The invention relates to a method for treating a textile reinforcement element (R) with plasma, which involves exposing, at atmospheric pressure, the textile reinforcement element (R) to a plasma flow (42) generated, using a plasma torch (26), from a gas including at least one oxidizing component.
摘要:
The invention relates to a steel reinforcing element comprising: at least one reinforcing wire element each comprising a steel core; a layer of a copper-tin alloy coating used to coat at least part of the steel core of the at least one reinforcing wire element; and an adhesive layer used to coat at least part of the layer of the copper-tin alloy coating of the at least one reinforcing wire element. The adhesive layer comprises an adhesive composition comprising at least one phenol-aldehyde resin containing at least: an aromatic aldehyde; and a polyphenol comprising at least one aromatic core.