40results about How to "Reduced necking" patented technology

The invention provides a packaging container which comprises an outmost thermoplastic material layer, a core layer, an intermediate thermoplastic material layer, a blocking layer and an innermost thermoplastic material layer from outside to inside. The innermost thermoplastic material layer contains metalloscene catalyst polymerized linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE), the MLLDPE has following parameters: average density of 0.88g / cm3-0.925g / cm3, melt flow index (190 DEG C, 2.16kg) of 5g / 10min-20g / 10min, peak melting point of 85 DEG C-130 DEG C, and expansion ratio of 1.2-1.8, and the LDPE has following parameters: average density of 0.90g / cm3-0.925g / cm3, melt flow index (190 DEG C, 2.16kg) of 5g / 10min-20g / 10min, peak melting point of 85 DEG C-110 DEG C, and expansion ratio of 1.2-1.8. A longitudinal sealing portion can realize quick thermal sealing during the process of manufacturing the packaging container, sealing intensity is high, and the manufactured packaging container is high in pass percentage and long in shelf life of liquid food.

The invention provides a lamination packaging material which comprises an outermost thermoplastic material layer, a core layer, an intermediate thermoplastic material layer, a barrier layer, an adhesive layer and an innermost thermoplastic material layer from outside to inside, wherein the adhesive layer comprises metalloscene catalyst polymerized linear low-density polyethylene (MLLDPE) and low-density polyethylene (LDPE), wherein the mLLDPE has the following parameters: the average density is 0.88g / cm<3>-0.925g / cm<3>, the melt index (190 DEG C, 2.16kg) is 5g / 10min-20g / 10min, the peak melting point is 85 DEG C-130DEG C, and the expansion ratio is 1.2-1.8; and the LDPE has the following parameters: the average density is 0.90g / cm<3>-0.925g / cm<3>, the melt index (190 DEG C, 2.16kg) is 5g / 10min-20g / 10min, the peak melting point is 85 DEG C-110DEG C, and the expansion ratio is 1.2-1.8. During the process for manufacturing a packaging container by using the lamination packaging material provided by the invention, a longitudinal sealing part can be subjected to heat sealing rapidly, so as to obtain the packaging container with good sealing intensity, and the manufactured container has high yield and long durability time for liquid food.

The invention provides a packaging container which comprises an outmost thermoplastic material layer, a core layer, an intermediate thermoplastic material layer, a blocking layer and an innermost thermoplastic material layer from outside to inside. The innermost thermoplastic material layer contains metalloscene catalyst polymerized linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE), the MLLDPE has following parameters: average density of 0.88g / cm3-0.925g / cm3, melt flow index (190 DEG C, 2.16kg) of 5g / 10min-20g / 10min, peak melting point of 85 DEG C-130 DEG C, and expansion ratio of 1.2-1.8, and the LDPE has following parameters: average density of 0.90g / cm3-0.925g / cm3, melt flow index (190 DEG C, 2.16kg) of 5g / 10min-20g / 10min, peak melting point of 85 DEG C-110 DEG C, and expansion ratio of 1.2-1.8. A longitudinal sealing portion can realize quick thermal sealing during the process of manufacturing the packaging container, sealing intensity is high, and the manufactured packaging container is high in pass percentage and long in shelf life of liquid food.

The invention provides a laminated packaging material. The laminated packaging material comprises an outermost thermoplastic material layer, a sandwich layer, an intermediate thermoplastic material layer, a barrier layer and an innermost thermoplastic material layer from outside to inside, wherein the intermediate thermoplastic material layer is made of metalloscene-catalyst-polymerized linear low-density polyethylene (mLLDPE) and LDPE; for the metalloscene catalyst polymerized mLLDPE, the mean density is 0.88-0.925g / cm<3>, the melt flow index (190 DEG C and 2.16kg) is 5-20g / 10min, the peak melting point is 85-130 DEG C and the expansion ratio is 1.2-1.8; and for the LDPE, the mean density is 0.90-0.925g / cm<3>, the melt flow index (190 DEG C and 2.16kg) is 5-20g / 10min, the peak melting point is 85-110 DEG C and the expansion ratio is 1.2-1.8. Packaging containers with good sealing strength can be obtained by using the laminated packaging material, the percent of pass of the prepared packaging containers is high, and liquid food in the prepared packaging containers is long in quality guarantee period.

The invention provides a packaging container which is characterized by comprising a thermoplastic material outermost layer, a sandwich layer, a thermoplastic material intermediate layer, a blocking layer, an adhesion agent layer and a thermoplastic material innermost layer from the outside in, wherein the adhesion agent layer comprises metallocene linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE); the MLLDPE comprises the following parameters: average density of 0.88 g / cm<3> to 0.925 g / cm<3>, melt flow index (190 DEG C, 2.16kg) of 5 g / 10 min to 20 g / 10 min, peak melting point of 85 DEG C to 130 DEG C and expansion ratio of 1.2 to 1.8; and the LDPE comprises the following parameters: average density of 0.90 g / cm<3> to 0.925 g / cm<3>, melt flow index (190 DEG C, 2.16kg) of 5 g / 10 min to 20 g / 10 min, peak melting point of 85 DEG C to 110 DEG C and expansion ratio of 1.2 to 1.8. The longitudinal sealing part can be heat-sealed during the process of preparing the packaging container, the sealing strength is good, the prepared packaging container has high percent of pass, and the shelf life of liquid food is long.

The invention provides a packaging container which is characterized by comprising a thermoplastic material outermost layer, a sandwich layer, a thermoplastic material intermediate layer, a blocking layer, an adhesion agent layer and a thermoplastic material innermost layer from the outside in, wherein the adhesion agent layer comprises metallocene linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE); the MLLDPE comprises the following parameters: average density of 0.88 g / cm<3> to 0.925 g / cm<3>, melt flow index (190 DEG C, 2.16kg) of 5 g / 10 min to 20 g / 10 min, peak melting point of 85 DEG C to 130 DEG C and expansion ratio of 1.2 to 1.8; and the LDPE comprises the following parameters: average density of 0.90 g / cm<3> to 0.925 g / cm<3>, melt flow index (190 DEG C, 2.16kg) of 5 g / 10 min to 20 g / 10 min, peak melting point of 85 DEG C to 110 DEG C and expansion ratio of 1.2 to 1.8. The longitudinal sealing part can be heat-sealed during the process of preparing the packaging container, the sealing strength is good, the prepared packaging container has high percent of pass, and the shelf life of liquid food is long.

The invention provides a laminated packaging material which comprises an outermost thermoplastic material layer, a core layer, a middle thermoplastic material layer, a blocking layer and an innermost thermoplastic material layer from the outside in. The innermost thermoplastic material layer comprises metallocene catalyst polymerized linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE), wherein MLLDPE has the following parameters that the average density is 0.88g / cm<3>-0.925g / cm<3>; a melt flow index (190 DEG C, 2.16kg) is 5g / 10min-20g / 10min; a peak fusing point is 85 DEG C-130 DEG C; and an expansion ratio is 1.2-1.8. LDPE has the following parameters that the average density is 0.90g / cm<3>-0.925g / cm<3>; the melt flow index (190 DEG C, 2.16kg) is 5g / 10min-20g / 10min; the peak fusing point is 85 DEG C-110 DEG C; and the expansion ratio is 1.2-1.8. Heat sealing can be conducted on a longitudinal sealing part quickly when the laminated packaging material is used for manufacturing a packaging container; the packaging container with high sealing strength is obtained; the manufactured packaging container is high in qualified rate; and a quality guarantee period of liquid food is long.

The invention provides a laminated packaging material. The laminated packaging material comprises an outermost thermoplastic material layer, a sandwich layer, an intermediate thermoplastic material layer, a barrier layer and an innermost thermoplastic material layer from outside to inside, wherein the intermediate thermoplastic material layer is made of metalloscene-catalyst-polymerized linear low-density polyethylene (mLLDPE) and LDPE; for the metalloscene catalyst polymerized mLLDPE, the mean density is 0.88-0.925g / cm<3>, the melt flow index (190 DEG C and 2.16kg) is 5-20g / 10min, the peak melting point is 85-130 DEG C and the expansion ratio is 1.2-1.8; and for the LDPE, the mean density is 0.90-0.925g / cm<3>, the melt flow index (190 DEG C and 2.16kg) is 5-20g / 10min, the peak melting point is 85-110 DEG C and the expansion ratio is 1.2-1.8. Packaging containers with good sealing strength can be obtained by using the laminated packaging material, the percent of pass of the prepared packaging containers is high, and liquid food in the prepared packaging containers is long in quality guarantee period.

Non-equiatomic ratio CoCrFeNiMo x High entropy alloy and preparation method thereof, the present invention relates to a kind of CoCrFeNiMo of non-equiatomic ratio x High-entropy alloys and methods for their preparation. The purpose of the present invention is to solve the problem that existing high-entropy alloys have poor plasticity, thereby restricting plastic processing. The alloy expression of the present invention is CoCrFeNiMo x , where x is 0, 2 or 4, and is composed of the following raw material components according to the atomic percentage: Mo is 0% to 20%, Co is 10% to 40%, Cr is 10% to 40%, and Fe is 10% to 25%. %, Ni is 10% to 25%, and the sum of the atomic percentages of the above components is 100%. The invention is applied to the field of high-entropy alloys.

The invention provides a method for manufacturing laminated packaging material. The method for manufacturing the laminated packaging material comprises the following steps: step 1, pressing crease lines and stamping open holes in a core layer; step 2, extruding laminated thermoplastic material on the outer side surface of the core layer to form an outermost layer; step 3, extruding laminated thermoplastic material on the inner side surface of the core layer to form an intermediate layer and combining a blocking layer with the inner side surface of the core layer through the intermediate layer at the same time; step 4, extruding laminated thermoplastic material on the blocking layer to form an adhesive layer; and step 5, extruding laminated thermoplastic material on the adhesive layer to form the innermost layer. In the step 3, the thermoplastic material of the intermediate layer is formed by the blending metallocene catalyst polymerized linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE). According to the invention, during the process of manufacturing a packaging container by the laminated packaging material manufactured by using the method, heat seal can be quickly performed on the longitudinal sealing part, so as to obtain the packaging container with good sealing strength, the manufactured packaging container has a high qualification rate, and the liquid food can be preserved for a long time.