发明申请
- 专利标题: PENCILS, METHOD OF PREPARATION AND USE
- 专利标题(中): PENCILS,制备和使用方法
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申请号: US13699587申请日: 2011-05-26
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公开(公告)号: US20130121747A1公开(公告)日: 2013-05-16
- 发明人: Jean-Jacques Biebuyck , Daniel Daoust , Michel Sclavons , Marc Heerbrant
- 申请人: Jean-Jacques Biebuyck , Daniel Daoust , Michel Sclavons , Marc Heerbrant
- 申请人地址: US TX The Woodlands BE Louvain-la-Neuve
- 专利权人: CHEVRON PHILLIPS CHEMICALS COMPANY LP,UNIVERSITE CATHOLIQUE DE LOUVAIN
- 当前专利权人: CHEVRON PHILLIPS CHEMICALS COMPANY LP,UNIVERSITE CATHOLIQUE DE LOUVAIN
- 当前专利权人地址: US TX The Woodlands BE Louvain-la-Neuve
- 优先权: EP10163939.1 20100526
- 国际申请: PCT/EP11/58618 WO 20110526
- 主分类号: B43K21/00
- IPC分类号: B43K21/00 ; A45D40/20
摘要:
The present invention relates to a pencil comprising a core within a barrel, wherein the band composition consists of (a) at least one styrene-butadiene copolymer, (b) at least one styrene-butadiene-styrene block copolymer, (c) at least one polymer selected from the group consisting of styrene polymer, styrene-acrylonitrile polymer, acrylonitrile-butadiene-styrene polymer, acrylic-styrene-methylmethacrylate copolymer, or a combination thereof; and optionally (d) at least one additive selected from the group consisting of a filler, a wax, a porogen, a blowing agent, a foaming agent, a coloring agent, or a combination thereof. The present invention also relates to a method for the preparation of said pencil and to the use thereof.
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