Abstract:
Novel benzoxazine - thiol adducts are described, which may be may be cured to produce compositions useful in coating, sealants, adhesive and many other applications.
Abstract:
An adhesive for nonelectrolytic plating which can not only be prepared without dust explosion but also can give a resinous insulating layer excellent in layer insulation. This adhesive can be prepared by mixing a dispersion in an organic solvent of cured particles of a heat-resistant resin soluble in acids or oxidizing agents or decomposable therewith with an uncured resin, the dispersion being one prepared by dispersing cured particles obtained in preparing cured particles of a heat-resistant resin in an organic solvent without drying the particles, and the uncured resin being one having the property of being cured into a substance difficulty soluble in acids or oxidizing agents and thus giving a heat-resistant cured resin.
Abstract:
본 발명은 폴리아릴렌 설파이드; 및 폴리비닐 부티랄 수지를 포함하는, 아웃가스 함량이 낮은 폴리아릴렌 설파이드 수지 조성물에 관한 것으로서, 본 발명의 폴리아릴렌 설파이드 수지 조성물은 낮은 아웃가스 함량은 물론, 우수한 열변형온도 및 금속접착강도를 나타내므로 성형 정밀도가 요구되는 제품을 제조하는 수지 조성물로 유용하게 사용될 수 있다.
Abstract:
The present invention discloses polythiol compositions containing intermolecular sulfide compounds and at least one of 5-(2-mercaptoethyl)norbornane-2-thiol and 5-(2-mercaptoethyl)norbornane-3-thiol. These polythiol compositions can be derived from 5-vinylnorborn-2-ene, and are often used in formulations for adhesives and other end-use applications.
Abstract:
Urethane-containing prepolymers formed from diisocyanates and adapted for Michael addition curing chemistries and compositions thereof for use in sealant applications are disclosed. The prepolymers provide compositions that exhibit room temperature stability and a controlled curing rate following a brief activation
Abstract:
In one embodiment the invention is a system and method for bonding parts to an engine or a transmission which comprises contacting with the part or the location of the engine or the transmission to which the part is to be attached an adhesive comprising a polythiol ether having two or more reactive groups capable of reacting with a curing agent and a curing agent for the polythiol ether and thereafter contacting the part with the engine or transmission such that the adhesive is disposed between them and curing the adhesive.
Abstract:
Terminated silane polymers obtained by addition reactions between an organic silicon derivative and the terminal functional groups of linear or branched polymers obtained by Michael polyaddition reactions of sulphydric acid (H 2 S) with organic compounds which have at least two alkylenic double bonds activated by the presence, in the alpha position with respect to each alkylenic bond, of an electronegative group.
Abstract:
Reactive antioxidants, antioxidant-containing prepolymers, compositions containing reactive antioxidants and antioxidant-containing prepolymers, methods of synthesizing reactive antioxidants and reactive antioxidant-containing prepolymers and the use of reactive antioxidants and antioxidant-containing prepolymers in aerospace sealant applications are disclosed. Reactive antioxidants and antioxidant-containing prepolymers can be added to a curable composition and react with a curing agent to become incorporated into the cured polymer network. Antioxidant-containing prepolymers have antioxidants incorporated into the backbone of the prepolymer. Cured sealant compositions comprising reactive antioxidants and antioxidant-containing prepolymers exhibit enhanced thermal resistance.