Patent classifications
C09D161/24
FIRE-RESISTANT WOOD PRODUCTS AND RELATED TECHNOLOGY
A composition for increasing the fire resistance of a wood product in accordance with a particular embodiment of the present technology includes intumescent particles, gas-containing elements, and a binder in which the intumescent particles and the gas-containing elements are dispersed. The composition is configured to form a coating in which the intumescent particles are present at a concentration of at least 1% by mass, and the gas-containing elements are present at a concentration of at least 0.5% by mass. The binder includes a thermosetting polymer curable from a liquid state in the composition to a solid state in the coating. In the solid state, the binder has a Young's modulus of at least 7 GPa.
FIRE-RESISTANT WOOD PRODUCTS AND RELATED TECHNOLOGY
A composition for increasing the fire resistance of a wood product in accordance with a particular embodiment of the present technology includes intumescent particles, gas-containing elements, and a binder in which the intumescent particles and the gas-containing elements are dispersed. The composition is configured to form a coating in which the intumescent particles are present at a concentration of at least 1% by mass, and the gas-containing elements are present at a concentration of at least 0.5% by mass. The binder includes a thermosetting polymer curable from a liquid state in the composition to a solid state in the coating. In the solid state, the binder has a Young's modulus of at least 7 GPa.
FIRE-RESISTANT WOOD PRODUCTS AND RELATED TECHNOLOGY
A composition for increasing the fire resistance of a wood product in accordance with a particular embodiment of the present technology includes intumescent particles, gas-containing elements, and a binder in which the intumescent particles and the gas-containing elements are dispersed. The composition is configured to form a coating in which the intumescent particles are present at a concentration of at least 1% by mass, and the gas-containing elements are present at a concentration of at least 0.5% by mass. The binder includes a thermosetting polymer curable from a liquid state in the composition to a solid state in the coating. In the solid state, the binder has a Young's modulus of at least 7 GPa.
Microencapsulation of organic silanes and their use as self healing materials
The disclosure provides a poly(urea-formaldehyde) microcapsule, which comprises encapsulated in the poly(urea-formaldehyde) microcapsule an organofluorine silane of the general formula (I) A.sub.3C(CA.sub.2).sub.mSiR.sup.1.sub.yX.sub.(3-y) (I), wherein in formula (I) A is either fluorine (F) or hydrogen (H), wherein at least 50% of atoms A are fluorine, X is chloro or a group RO, wherein R is a linear or branched alkyl radical of 1 to 4 carbon atoms, R.sup.1 is a linear, branched or cyclic alkyl group of 1 to 8 carbon atoms, n=0 or 2, y=0 or 1 or 2 and m=0 to 20, encapsulated within the microcapsule. The disclosure also provides self-healing coating compositions comprising such polymeric microcapsules and methods of preventing or slowing corrosion using such coating compositions.
Microencapsulation of organic silanes and their use as self healing materials
The disclosure provides a poly(urea-formaldehyde) microcapsule, which comprises encapsulated in the poly(urea-formaldehyde) microcapsule an organofluorine silane of the general formula (I) A.sub.3C(CA.sub.2).sub.mSiR.sup.1.sub.yX.sub.(3-y) (I), wherein in formula (I) A is either fluorine (F) or hydrogen (H), wherein at least 50% of atoms A are fluorine, X is chloro or a group RO, wherein R is a linear or branched alkyl radical of 1 to 4 carbon atoms, R.sup.1 is a linear, branched or cyclic alkyl group of 1 to 8 carbon atoms, n=0 or 2, y=0 or 1 or 2 and m=0 to 20, encapsulated within the microcapsule. The disclosure also provides self-healing coating compositions comprising such polymeric microcapsules and methods of preventing or slowing corrosion using such coating compositions.
Microencapsulation of organic silanes and their use as self healing materials
The disclosure provides a poly(urea-formaldehyde) microcapsule, which comprises encapsulated in the poly(urea-formaldehyde) microcapsule an organofluorine silane of the general formula (I) A.sub.3C(CA.sub.2).sub.mSiR.sup.1.sub.yX.sub.(3-y) (I), wherein in formula (I) A is either fluorine (F) or hydrogen (H), wherein at least 50% of atoms A are fluorine, X is chloro or a group RO, wherein R is a linear or branched alkyl radical of 1 to 4 carbon atoms, R.sup.1 is a linear, branched or cyclic alkyl group of 1 to 8 carbon atoms, n=0 or 2, y=0 or 1 or 2 and m=0 to 20, encapsulated within the microcapsule. The disclosure also provides self-healing coating compositions comprising such polymeric microcapsules and methods of preventing or slowing corrosion using such coating compositions.
Resin-polyester blend binder compositions, method of making same and articles made therefrom
An aqueous binder system including a mixture of urea-formaldehyde resin and water-dispersible polyester resin. A combination of the binder system applied to fiber insulation, a composite glass mat, glass/polyester mat, polyester mat, or substrate of a coated abrasive product. Fiber insulation, a composite glass mat, glass/polyester mat, polyester mat, or coated abrasive product with the binder system including urea-formaldehyde resin and water-dispersible polyester.
Resin-polyester blend binder compositions, method of making same and articles made therefrom
An aqueous binder system including a mixture of urea-formaldehyde resin and water-dispersible polyester resin. A combination of the binder system applied to fiber insulation, a composite glass mat, glass/polyester mat, polyester mat, or substrate of a coated abrasive product. Fiber insulation, a composite glass mat, glass/polyester mat, polyester mat, or coated abrasive product with the binder system including urea-formaldehyde resin and water-dispersible polyester.
Process to produce polycarbamate using a gradient feed of urea
A process to produce polycarbamate comprising providing urea in liquid form; and adding the urea in liquid form to a polyol in a reduced gradient profile to form polycarbamate product is provided. Also provided are: (a) a reaction product of the process and (b) an apparatus for operating the process.
Process for the preparation of a reaction product of a cyclic urea and a multifunctional aldehyde
This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R.sup.1OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, CONH groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R.sup.1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.