聚氨酯胶的配方设计(Formulation of polyurethane adhesive)The design of the adhesive is usefulness for the purpose, in the end to polyurethane adhesive for formula design, want to consider the adhesive made of construction (operational), curing conditions and the bonding strength, heat resistance, ...
The present invention refers to a polyurethane adhesive formulation comprising segments derived from a polyether carbonate polyol, wherein said polyether carbonate polyol is obtainable by a process comprising copolymerizing one or more H-functional initiator substances, one or more alkylene oxides and ...
a) polyurethane composition and b) i) amidine containing compound, guanidine containing compound or amine containing compound, ii) carbon dioxide, and iii) latent catalyst which is a reaction product of water, alcohol, amine or thiol An adhesive formulation is disclosed comprising: 【Selection ...
The amount and type of crosslinking agent is determined to some extent by the composition and nature of the formulation, little or no crosslinker being used in coatings and primers or single package adhesive compositions. In preferred two-package adhesive systems, in which the stable aqueous ...
The samples were fixed on an aluminum stub covered with a double adhesive carbon band and were placed on the chamber pedestal of a Cressington 108 Sputter Coater device and coated with a 7 nm thick gold layer, under vacuum. Fracture images were obtained on the hydrogel samples’ cross section...
The highest values of the polar component were reported for the REF and PUR–Fyrol HF5 samples, which is evidence of an increase in surface polarity and stronger interaction of molecular forces between the surfaces, as well as a consequent increase in adhesive strength. PUR–OP550_APP foams ...
The increase in packaging and footwear applications is linked with increased foam adoption in adhesive tapes and the sole of the footwear. They provide pressure and shock resistance to footwear and offer comfortable use of footwear. In addition to this, they are used as adhesive tapes and films ...
A modified polyurethane adhesive composition characterized by its improved viscosity and high initial bond strength contains an isocyanate-terminated prepolymer or a fully reacted polyurethane and a c
is excellently suited to use in formulations for coverings of floors used for sporting activities, especially as a binder for elastic layers, as a spray or levelling coating on elastic or rigid bases, as a bonding agent or filler, as filler materials for pore-sealing, as an adhesive for ...
Regarding the classification system, the model strain is able to build strongly adhesive biofilms [14]. Therefore, Staphylococcus saprophyticus subsp. bovis was chosen as model germ for the following experiments. The biofilm grown on PUR was visualised by SEM (Fig. 1). Download: Download high-...