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1. 发明专利

JP2009196368A Propylene resin-foamed laminated flat plate 有权
标题翻译：丙烯树脂 - 层压扁平板
公开(公告)号：JP2009196368A
公开(公告)日：2009-09-03
申请号：JP2009110800
申请日：2009-04-30
申请人： Jsp Corp , 株式会社ジェイエスピー
发明人： KINO TORU , MUROI TAKASHI , MOMOSE YOSHIAKI
IPC分类号： B32B5/18 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide a propylene resin-foamed laminated flat plate which has a high expanding rate, is used as a base stock of a box or the like, is lightweight and is excellent in processability.
SOLUTION: The propylene resin-foamed laminated flat plate 1 is obtained by integrally layering a surface layer 3 consisting of an unstretched propylene resin film on both sides of a core layer 2 consisting of a propylene resin-extruded foam body by using a coextrusion foaming method. The propylene resin-extruded foam body constituting the core layer has 0.045-0.30 g/cm
3 density and ≥50% closed cell ratio. The unstretched propylene resin film constituting the surface layer 3 has 60-300 g/m
2 basis weight. The density of the whole propylene resin-foamed laminated flat plate is 0.10-0.35 g/cm
3 . The propylene resin-foamed laminated flat plate satisfies expression (1): F≥2.5×10
-3 ×Y-0.15 (wherein F (kgf) is the flexural strength of the propylene resin-foamed laminated flat plate, and Y (g/m
2 ) is the basis weight of the propylene resin-foamed laminated flat plate).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：为了提供具有高膨胀率的丙烯树脂发泡层压平板作为盒等的基础材料使用，重量轻且加工性优异。解决方案：丙烯树脂发泡层压平板1通过使用由丙烯树脂挤出的发泡体构成的芯层2的两面上的未拉伸的丙烯树脂膜组成的表面层3整体分层共挤发泡法。构成芯层的丙烯树脂挤出发泡体的密度为0.045〜0.30g / cm 3，密闭孔率为50％以上。构成表面层3的未拉伸丙烯树脂膜的基重为60〜300g / m 2。整个丙烯树脂发泡层压平板的密度为0.10-0.35g / cm 3。丙烯树脂发泡层压平板满足式（1）：F≥2.5×10 -3 ×Y-0.15（其中F（kgf）是丙烯树脂发泡层压扁平面的弯曲强度平板和Y（g / m 2 SPF）是丙烯树脂发泡层压平板的单位面积重量）。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2002356573A POLYPROPYLENE RESIN EXTRUDED FOAMED SHEET, ITS PRODUCTION METHOD AND HEAT-MOLDING METHOD OF ITS EXTRUDED FOAMED SHEET 审中-公开
公开(公告)号：JP2002356573A
公开(公告)日：2002-12-13
申请号：JP2001213415
申请日：2001-07-13
申请人： JSP CORP
发明人： MUROI TAKASHI , IWAMOTO AKIRA , NAOI YOSUKE , MOMOSE YOSHIAKI , WAKABAYASHI KOICHI , MORITA KAZUHIKO
IPC分类号： C08J9/04 , B29C47/00 , B29C51/02 , B29K23/00 , B29K105/04 , B29L7/00 , C08L23/10
摘要： PROBLEM TO BE SOLVED: To provide a polypropylene resin foamed sheet, excellent in heat- moldability, having an apparent density of 150-750 g/L, and at a low cost. SOLUTION: The polypropylene resin extruded foamed sheet is composed of a mixture of a polypropylene resin (A) of 15-70 wt.%, having a melt-tension at 230 deg.C of 10 cN or above, and a polypropylene resin (B) of 85-30 wt.%, having the melt-tension at 230 deg.C of 5 cN or below (wherein the polypropylene based resin (A) + the polypropylene based resin (B)=100 wt.%), wherein an apparent density is 150-750 g/L and an independent porosity is 50% or above.

3. 发明专利

JP2002331624A MULTILAYERED POLYPROPYLENE RESIN FOAMED SHEET AND ASSEMBLING BOX THEREFOR 审中-公开
公开(公告)号：JP2002331624A
公开(公告)日：2002-11-19
申请号：JP2001267352
申请日：2001-09-04
申请人： JSP CORP
发明人： IWAMOTO AKIRA , MUROI TAKASHI , NAOI YOSUKE , MOMOSE YOSHIAKI
IPC分类号： B65D5/43 , B31B7/00 , B31B7/14 , B32B5/18 , B32B27/32 , B65D5/49 , B65D6/14 , B65D25/34 , B65D65/40 , C08L23/10
摘要： PROBLEM TO BE SOLVED: To provide a multilayered polypropylene resin foamed sheet having lightweight properties and rigidity, and excellent in folding endurance and low temperature impact resistance. SOLUTION: The multilayered polypropylene resin foamed sheet is constituted by laminating a resin layer (A) comprising a polypropylene resin containing a thermoplastic elastomer on at least one surface of a polypropylene resin foam layer. The number of the foldings endured measured on the basis of JIS P 8115 of the multilayered polypropylene resin foamed sheet is not less than 1,000, and the bending modulus thereof is not less than 200 MPa. The multilayered polypropylene resin foamed sheet is especially excellent in the folding endurance and low temperature impact resistance and suitable as a material for various containers or container partition sheets, a core material, a material for a returnable box such as a corrugated cardboard box or the like and a box or the like.

4. 发明专利

JP2001287262A NON-CROSSLINKED POLYPROPYLENE RESIN FOAMED SHEET FOR MOLDING AND NON-CROSSLINKED POLYPROPYLENE RESIN MULTILAYERED FOAMED SHEET FOR MOLDING 失效
公开(公告)号：JP2001287262A
公开(公告)日：2001-10-16
申请号：JP2000106670
申请日：2000-04-07
申请人： JSP CORP
发明人： NAOI YOSUKE , MUROI TAKASHI , MOMOSE YOSHIAKI
IPC分类号： B32B5/18 , B29C55/02 , B29C61/06 , B29K23/00 , B29K105/04 , B29L7/00 , B29L9/00 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To improve sagging properties at the time of thermal molding and mold reproduciblity. SOLUTION: In a non-crosslinked polypropylene resin foamed sheet 1, the shape of cells 2 satisfy formulae 0.3

5. 发明专利

JP2000264979A RESIN MOLDING PRODUCT AND LIGHT REFLECTING BODY 失效
公开(公告)号：JP2000264979A
公开(公告)日：2000-09-26
申请号：JP2000005067
申请日：2000-01-13
申请人： JSP CORP
发明人： ISHIHARA YOSHIHISA , IWASAKI SATOSHI , MOMOSE YOSHIAKI , AOKI TAKESHI , TAKAHASHI SEIJI
IPC分类号： C08J7/04 , B29C47/04 , B32B27/36 , C08J5/00 , C08L69/00 , F21V7/22
摘要： PROBLEM TO BE SOLVED: To obtain a resin molding product excellent in heat resistance, productivity, cutting processability and light reflecting performance and obtain a light reflecting body excellent in heat resistance, productivity and cutting processability and capable of contributing to reduction of consumed electric power when used for illumination signboard, or the like. SOLUTION: This resin molding product has, on at least its surface, a mixed resin layer consisting essentially of an aromatic polycarbonate resin (A) and containing a subsidiary component (B) other than the component A. The resin molding product has >=80% whole reflectance which is a parameter representing reflection of light and >=75% diffuse reflectance on the surface of the mixed resin layer. The light reflecting body comprises the resin molding product. In the light reflecting body, whole reflectance which is a parameter representing reflection of light is >=93% and diffuse reflectance is >=90% on the surface of the mixed resin layer.

6. 发明专利

JP2000103016A POLYSTYRENE RESIN FOAM/POLYOLEFIN RESIN MULTILAYERED BODY 失效
公开(公告)号：JP2000103016A
公开(公告)日：2000-04-11
申请号：JP10325899
申请日：1999-04-09
申请人： JSP CORP
发明人： MOMOSE YOSHIAKI , KINO TORU , IWAMOTO AKIRA , MUROI TAKASHI , TAKASE KENICHI
IPC分类号： B32B5/18 , B32B27/30 , B32B27/32
摘要： PROBLEM TO BE SOLVED: To provide a multilayered body which is prepd. by laminating and bonding a polyolefin resin layer on a polystyrene resin formed body with a high adhesive strength being durable for molding a deep container without using a special adhesive and has oil resistance and is inexpensive and recyclable. SOLUTION: A multilayered body prepd. by laminating a polyolefin resin layer Z on at least one face of a polystyrene resin foam layer X through an alloy layer Y is provided and this alloy layer Y consists of a mixture of a polystyrene resin and a polyolefin resin and the adhesive strength between this polystyrene resin foam X and the polyolefin resin layer Z is at least 40 gf/cm and the phase structural index PI value expressing mixed condition of the alloy layer Y is 0.7

7. 发明专利

JP2000063552A PRODUCTION OF EXTRUDED AND FOAMED BODY OF POLYOLEFIN- BASED RESIN, THE EXTRUDED AND FOAMED BODY, AND THERMOFORMING OF THE EXTRUDED AND FOAMED BODY 失效
公开(公告)号：JP2000063552A
公开(公告)日：2000-02-29
申请号：JP24914998
申请日：1998-08-19
申请人： JSP CORP
发明人： SATO MANABU , MOMOSE YOSHIAKI , KINO TORU , IWAMOTO AKIRA , TAKASE KENICHI
IPC分类号： C08J9/04 , B29C44/00 , B29C47/00 , B29C51/00 , B29K23/00 , B29K105/04
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an extruded and foamed body of a polyolefin-based resin by which the extruded and foamed body excellent in extruding and foaming properties and having improved brittleness is produced, and further, to obtain the extruded and foamed body thereby. SOLUTION: A mixed resin comprising (A) 95-50 wt.% polypropylene-based resin having the relation satisfying the equation ln(MT)>-0.83)ln(MFR)+2.82 [ln(MT) is a natural logarithm of a melt tension MT (gf); ln(MFR) is a natural logarithm of a melt flow rate MFR (g/10 min)], and (B) 50-5 wt.% polyolefin- based resin not having the relation represented by the equation and having a melting point 3-30 deg.C lower than that of the polypropylene-based resin A, is extruded with a foaming agent from an extruder to foam the mixed resin.

8. 发明专利

JP2000033643A FOAMED BLOW MOLDED PRODUCT AND ITS PRODUCTION 失效
公开(公告)号：JP2000033643A
公开(公告)日：2000-02-02
申请号：JP21858698
申请日：1998-07-16
申请人： JSP CORP
发明人： MOMOSE YOSHIAKI , GOKURAKU HIROYUKI , KOGURE NAOCHIKA , KITAHAMA TAKU
IPC分类号： C08J9/12 , B29C49/04 , B29C49/22 , B29C67/20 , B29K69/00 , B29K105/04 , B29L22/00
摘要： PROBLEM TO BE SOLVED: To provide an excellent blow molded product containing a foam layer of a polycarbonate resin having properties excellent in heat resistances to heat, ageing and water. SOLUTION: A foamed blow molded product 1 is obtained by the blow molding of a parison having at least a foam layer 2 comprising a resin based on a polycarbonate resin. In this case, the melt tension of the resin forming the foam layer 2 at 250 deg.C is 6 gf or more and the density of the molded product is set to 0.06-0.9 g/cm3.

9. 发明专利

JPH1135072A ALIPHATIC SERIES POLYESTER RESIN FOAM NET 失效
公开(公告)号：JPH1135072A
公开(公告)日：1999-02-09
申请号：JP15516998
申请日：1998-05-20
申请人： JSP CORP
发明人： IWAMOTO AKIRA , KINO TORU , HASHIZUME YUICHIRO , MOMOSE YOSHIAKI
IPC分类号： B65D81/03 , B65D81/133 , C08G63/02 , C08J9/04 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To provide foam net which posseses superior biodegradability, cushioning effect, air permeability and of which calorific value when burned is low. SOLUTION: This foam net is structured in a net shape by crossing each of many narrow strips and fusing each crossing part of the narrow strips made of foam whose base resin is aliphatic series polyester resin whose melt viscosity is 1×10 -1×10 Pa.s and melt tension per unit viscosity is above 2 mgf/Pa.s measured in a condition where the temperature is 190 deg.C and the rate of shear 100 sec . The average density of the narrow strip forming the net is 0.04 - the 0.2 g/cm .

10. 发明专利

JPH10329206A METHOD FOR THERMOFORMING POLYCARBONATE RESIN FOAM SHEET 失效
公开(公告)号：JPH10329206A
公开(公告)日：1998-12-15
申请号：JP15916897
申请日：1997-06-02
申请人： JSP CORP
发明人： ISHIHARA YOSHIHISA , TERUI YASUSHI , MOMOSE YOSHIAKI
IPC分类号： C08J9/14 , B29C51/00 , B29C51/18 , B29K69/00
摘要： PROBLEM TO BE SOLVED: To provide a method for thermoforming a polycarbonate resin foam sheet capable of manufacturing a molding having excellent external appearance, dimensional stability and mechanical physical properties in a short molding cycle by easily controlling temperature at the time of thermoforming with wide thermoforming temperature range. SOLUTION: The polycarbonate resin foam sheet (preferably closed cell ratio of 70% or more, density of 0.05 g/cm or more, and thickness of 0.3 to 5 mm) containing a mixed resin of 100 pts.wt. of aromatic polycarbonate resin 0.3 to 10 pts.wt. of acrylic resin having a viscosity-average molecular weight of 200,000 to 1,300,000 as a base material is softened by heating, and molded by a mold.

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