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1. 发明授权

US06841581B2 Extruded styrene resin foam and process for producing the same 失效
标题翻译：挤出苯乙烯树脂泡沫及其制备方法
公开(公告)号：US06841581B2
公开(公告)日：2005-01-11
申请号：US10441398
申请日：2003-05-20
申请人： Takahiro Hayashi , Kenkichi Tanaka , Hiroshi Kobayashi , Jun Fukuzawa , Syunji Kurihara
发明人： Takahiro Hayashi , Kenkichi Tanaka , Hiroshi Kobayashi , Jun Fukuzawa , Syunji Kurihara
IPC分类号： C08J9/00 , C08J9/14 , C09K21/14 , C08J9/12
CPC分类号： C08J9/141 , C08J9/0028 , C08J9/0038 , C08J9/0066 , C08J2201/03 , C08J2325/06 , C08J2375/04 , C09K21/14
摘要： An extruded styrene resin foam which is produced by using a blowing agent imposing a reduced load on the environment and has outstandingly excellent thermal insulating property and flame retardant property adapted for construction use. The foam is obtained by extrusion-foaming of a styrene resin and characterized by containing at least, one or more of saturated hydrocarbons having 3 to 5 carbon atoms as a blowing agent, and containing (A) a halogenated flame retardant, and (B) at least one compound selected from the group consisting of phosphorus type flame retardants containing nitrogen atom in a molecule; tetrazole compounds; specific nitrogen-containing compounds; metal borates; boron oxides; phosphoric acid ester compounds, and having a cell structure constituting the foam wherein a cell anisotropic ratio k, which is defined by the formula: k=a/(a×b×c)1/3 wherein, in sections of the foam, a (mm) is an average cell size in the thickness direction, b (mm) is an average cell size in the transverse direction and c (mm) is an average cell size in the longitudinal direction, satisfies the relationship: k≦1.1, and a satisfies the relationship: 0.05≦a≦0.30, and the method for producing the same.
摘要翻译：一种挤出的苯乙烯树脂发泡体，其通过使用在环境上施加减小的负载的发泡剂并且具有优异的绝热性和适用于建筑用途的阻燃性而产生。泡沫体通过苯乙烯树脂的挤出发泡得到，其特征在于含有至少一种或多种具有3〜5个碳原子的饱和烃作为发泡剂，并含有（A）卤化阻燃剂，（B）选自分子中含有氮原子的磷型阻燃剂中的至少一种化合物; 四唑化合物; 特定含氮化合物; 金属硼酸盐氧化硼; 磷酸酯化合物，并且具有构成泡沫的电池结构，其中由下式定义的电池各向异性比率k：k = a /（axbxc）<1/3>其中，在泡沫的截面中，（mm ）是厚度方向的平均单元尺寸，b（mm）是横向的平均单元尺寸，c（mm）是长度方向的平均单元尺寸，满足关系式：k <= 1.1，a 满足关系：0.05 <= a <= 0.30，及其制造方法。

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