-
公开(公告)号:US20060134276A1
公开(公告)日:2006-06-22
申请号:US10538517
申请日:2003-12-01
申请人: William Potter , Stephen Rawling , Joseph Brennan
发明人: William Potter , Stephen Rawling , Joseph Brennan
IPC分类号: A23B7/148
摘要: There is disclosed a sulphur dioxide releasing film comprising: a hydrophilic polymer which is swellable upon contact with moisture; calcium sulphate or sodium sulphate; and a latent acidulant.
摘要翻译: 公开了一种二氧化硫释放膜,其包含:亲水性聚合物,其在与水分接触时可膨胀; 硫酸钙或硫酸钠; 和潜在酸化剂。