-
公开(公告)号：WO2021245513A1
公开(公告)日：2021-12-09
申请号：PCT/IB2021/054694
申请日：2021-05-28
Applicant: NEXTMATERIALS S.R.L.
Inventor： CIGADA, Alberto
IPC: B65D5/50 , B65D81/05 , B65D81/07 , B65D5/5035 , B65D5/505
Abstract: A modular protective packaging system (1000) made of cellulose, comprising: a protective polygonal structure (1100) and a supporting and constraining layer (2000/3000/4000), said protective polygonal structure comprising a flat central portion (1100a) sided by two lateral slanted portions (1100b) and (1100c), connected to the central portion through the folds (1100') and (1100"), respectively, each having a free resting side (1100b') and (1100c"), wherein: said polygonal structure is engaged with its free sides (1100b') and (1100c"): - into the supporting and constraining layer (2000), in blind or through grooves, (2000b') and (2000c"), suitable to accommodate said free sides, or - into the supporting and constraining layer (3000), in correspondence with a through cavity (3100), having a length and width suitable to accommodate said free sides, or - into the supporting and constraining layer (4000), in correspondence with a blind cavity (4100), having a length and width suitable to accommodate said free sides.
-
公开(公告)号：WO2016207849A1
公开(公告)日：2016-12-29
申请号：PCT/IB2016/053777
申请日：2016-06-24
Applicant: NEXTMATERIALS S.R.L. , POLITECNICO DI MILANO
Inventor： CIGADA, Alberto , PROFAIZER, Mauro , DEL CURTO, Barbara , TANZI, Maria Cristina , FARE', Silvia , BARELLI, Nadia
Abstract: The present invention related to a thermoplastic composition, suitable to be submitted to common methods of heat forming, or thermoforming, of thermoplastic materials, as well as the thermoformed composite material which is obtained/can be obtained from said thermoplastic composition, said thermoplastic composition and said thermoformed composite material derived therefrom comprising the combination of cellulose with a thermoplastic material comprising a hydrolysable or hydrosoluble polyhydroxylated polymer, such as starch or a polymer based on polyvinyl alcohol (PVA), wherein cellulose is available in an amount ranging from 30 to 60% by Weight, preferably from 40 to 60% by weight, said percentages being calculated on 100 parts by weight of the combination of cellulose with the thermoplastic material comprising a hydrolysable or hydrosoluble polyhydroxylated polymer.
Abstract translation: 本发明涉及一种热塑性组合物，其适用于热塑性材料的常规热成型或热成型方法，以及可由所述热塑性组合物获得/可获得的热成型复合材料，所述热塑性组合物和 由该衍生的所述热成型复合材料包括纤维素与热塑性材料的组合，所述热塑性材料包含可水解或可水解的多羟基化聚合物，例如淀粉或基于聚乙烯醇（PVA）的聚合物，其中纤维素的用量为30-60％ ，优选40至60重量％，所述百分比是根据100重量份的纤维素与包含可水解或可水解的多羟基化聚合物的热塑性材料的组合计算的。
-
公开(公告)号：WO2020201900A1
公开(公告)日：2020-10-08
申请号：PCT/IB2020/052698
申请日：2020-03-23
Applicant: NEXTMATERIALS S.R.L. , POLITECNICO DI MILANO
Inventor： CIGADA, Alberto , CHIESA, ROberto , DEL CURTO, Barbara , TANZI, Maria Cristina , FARÈ, Silvia , SANTI, Romina
Abstract: The present invention relates to a low-bulk density aggregate comprising one or more units of thermoformed composite material, said one or more units of thermoformed composite material having an average section or aver-age diameter between 1 and 5 mm, said aggregate having a bulk density, assessed as ratio of the mass of the aggregate to its volume, hence including the empty spaces delimited by the aggregate itself, between 0.05 and 0.89 g/cm 3 , said thermoformed composite material having a density between 0.4 and 1.2 g/cm 3 .
