Concrete reinforcing materials
阅读：375发布：2023-03-05
专利汇可以提供Concrete reinforcing materials专利检索，专利查询，专利分析的服务。并且The invention provides glass fibres coated with or embedded in a cured furane resin as a new article of commerce useful as a reinforcing agent in cement and concrete.，下面是Concrete reinforcing materials专利的具体信息内容。
1. A METHOD OF INCREASING THE ALKALI RESISTANCE OF A GLASS FIBER MATERIAL IN REINFORCED CONCRETE, SAID METHOD COMPRISING THE STEPS OF COATING GLASS FIBERS WITH A FURANE RESIN, CURING THE FURANE RESIN TO PRODUCE AN ALKALI-RESISTANT CURED FURANE COATING ON THE GLASS FIBERS, AND INCORPORATING THE COATED GLASS FIBERS IN CONCRETE OR CEMENT TO REINFORCE SAME, WHEREBY THE REINFORCED CONCRETE OR CEMENT REINFORCING GLASS FIBERS EXHIBIT INCREASED RESISTANCE TO ALKALI ATTACK.
2. A method according to claim 1, wherein the furane resin is an unmodified furfuryl alcohol polymer or an aldehyde-modified furfuryl alcohol polymer.
3. A method according to claim 1, wherein the furane resin is the acid catalyzed condensation product of furfuryl alcohol with furfuryl alcohol, furfuraldehyde or formaldehyde.
4. A method according to claim 3, wherein the furane resin has been prepared by reacting furfuryl alcohol with furfuraldehyde in the presence of a catalytic amount of phosphoric acid.
5. A method according to claim 4, wherein the condensation reaction is carried out at a temperature of 10* to 15* C for a period of about 24 hours.
6. A method according to claim 1, wherein the furane coatings are cured by heating.
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