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US 2010/0059191 A1Published application
Heat, grease, and cracking resistant release paper and process for producing the same
AssigneeCopamex, S.A. De C.V.
InventorsESTEBAN GARCIA MELGAREJO, FABIOLA RODRIGUEZ MATA
Life of this patent
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Abstract
A heat, grease, and cracking resistance release paper, said release paper is composed by 55% to 68% by weight of cellulose fiber, 3% to 6% by weight of one or more sizing agents, 27% to 37% by weight of one or more fillers, and 1% to 3% by weight of one or more binding agents.
Claims22
A heat, grease, and cracking resistance release paper, which comprising:
- from 55% to 68% by weight of cellulose fiber;
- from 3% to 6% by weight of one or more sizing agents;
- from 27% to 37% by weight of one or more fillers;
- and
- from 1% to 3% by weight of one or more binding agents.
2 more elements
A process for producing a heat, grease, and cracking resistance release paper, the process is characterized by including the steps of:
- forming a paper pulp starting out from a mixture of 55% to 68% by weight of cellulose fiber, from 6% to 7.5% by weight of one or more fillers, and from 0.03% to 0.05% by weight of one or more binding agents;
- reacting the paper pulp with from 1.5% to 2.4% by weight of one or more sizing agents, from 17% to 27% by weight of one or more fillers, and from 0.7% to 1.2% by weight of one or more binding agents;
- forming and drying a continuous sheet of paper from the paper pulp;
- and
- reacting the continuous sheet of paper with from 1.5% to 3.6% by weight of one or more sizing agents, from 2.5% to 4% by weight of one or more fillers, and from 0.27% to 1.75% by weight of one or more binding agents.
2 more elements
Dependencies are inferred from the claim text.