Pavement markings, reflective elements, and methods of making microspheres

Pavement markings, reflective elements, and methods of making microspheres

  • CN 102,574,730 A
  • Filed: 08/21/2009
  • Published: 07/11/2012
  • Est. Priority Date: 08/21/2009
  • Status: Active Application
First Claim
Patent Images

1. microballoon comprises one of following:

  • (a) TiO of at least 45 weight % 2At least about 0.5 weight % and less than one or more MOXs of about 10 weight %, said one or more MOXs are selected from lanthanide oxide;

    AndThe combination of at least two kinds of alkaline earth metal oxides between about 0.5 weight % and the about 25 weight %, said at least two kinds of alkaline earth metal oxides comprise and are selected from barium oxide, strontium oxide and Natural manganese dioxide;

    And(b) TiO of at least 45 weight % 2At least about 0.5 weight % and less than one or more MOXs of about 10 weight %, said one or more MOXs are selected from lanthanide oxide;

    AndBarium oxide between about 0.5 weight % and the about 30 weight %;

    The specific refractory power of wherein said microballoon is at least 2.3.

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