43results about How to "Improve package stability" patented technology

A process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone, and having a number average molecular weight of at least 25,000, includes a transesterification step, a polycondensation step, a drying and/or crystallizing step, and a step where the polymer is subjected to post condensation conditions, and to a polyester-containing bottle or film or fibre-containing woven or non-woven object made from melt-processing poly(ethylene-2,5-furandicarboxylate), where the poly(ethylene-2,5-furandicarboxylate) is obtainable by the process of the invention.

The invention provides section bar automatic packaging equipment. The section bar automatic packaging equipment comprises a packaging paper feeding mechanism, a section feeding mechanism, a vertical folding mechanism, horizontal folding mechanisms, a packaging mechanism, a clamping and feeding mechanism, a pushing mechanism and a control mechanism, wherein the packaging paper feeding mechanism is used for lifting, pulling out and shearing and paving packaging paper on a platform; the section feeding mechanism is used for transferring and locating a section bar in the middle part of the platform where the packaging paper is paved; the vertical folding mechanism is used for adjusting the side edge separation distance of the packaging paper and bending the side edge of the packaging paper paved on the platform; the horizontal folding mechanisms are used for adjusting the side edge separation distance of the packaging paper and bending the side edge of the packaging paper paved on the platform and then horizontally folding the upper part of the side edge of the packaging paper, so that the packaging paper wrap the end surface of the section bar; the packaging mechanism is used for winding and sealing the packaging paper which wraps the section bar; the clamping and feeding mechanism is used for a reciprocating motion to transfer the section bar wrapped by the packaging paper to the packaging mechanism; and the pushing mechanism is used for compacting the opening of the packaging paper which wraps the end surface of the section bar. The section bar automatic packaging equipment provided by the invention can solve the problems that the efficiency is low and the labor intensity is great due to a manual operation, so that the packaging efficiency and quality of the section bar are improved.

A multi-roll segment package (101) for plastic tape comprises a plurality of roll segments made up of concentrically disposed spiral winding groups (119) separated and defined by helical winding portions of tape (121) connecting the spiral winding groups on adjacent roll segments. The spiral winding groups of the end roll segments (111A), (111B) comprise at least 2.5 times the number of windings as the center roll segments (115A), (115B), (115C). The roll package features high wind density and good resistance from telescoping.

A machine for wrapping groups of products (7) in tubular lengths of stretch film (4) comprises a rotating carousel (1) equipped with a plurality of wrapping units (2) having bars (3) for holding and stretching to size a succession of tubular film lengths (4) fed to a station (S1) and for placing the stretched tubular film lengths (4) around respective groups of products (7) to be wrapped fed one after the other.

The embodiment of the invention provides a display panel and a display device and relates to the technical field of display, aiming at preventing a packaging adhesive from being in contact with firstcushion layer metal and improving the packaging effect of the display panel. The display panel comprises a display region, a non-display region, a first substrate and a second substrate, wherein the non-display region is arranged around the display region; the first substrate and the second substrate are arranged oppositely; the non-display region comprises a glass material packaging region; the glass material packaging region comprises the first cushion layer metal; the first cushion layer metal is located at one side, back on to the second substrate, of the first substrate.

The invention provides a modified carbon material, a preparation method thereof, and a redox flow battery electrode modified by a graphene-like nanosheet prepared from the same. The preparation methodcomprises the steps of: 1) subjecting phytic acid and an amino group-containing substance to in-situ polymerization on the surface of the carbon material; and 2) calcining the product at a high temperature. The carbon material treated by the method has rich oxygen-containing functional groups on its surface, and has greatly improved hydrophilic property, electrochemical activity and specific surface area. Moreover, the loading amount of hetero elements such as nitrogen and phosphorus can be controlled by adjusting the amount and molar ratio of phytic acid and urea. The electrode has high specific surface area and a high functional group content (for example, the oxygen-containing functional group), and exhibits good catalytic activity for both the positive and negative electrode pairs ofan all-vanadium redox flow battery, and the high catalytic activity of the electrode greatly reduces the polarization of the electrode.

The invention provides a modified carbon material and a preparation method thereof as well as a nitrogen-rich liquid flow battery electrode prepared from the material. The preparation method comprisesthe following steps: 1) carrying out in-situ polymerization reaction on an amino group-containing substance and a hydroxyl group-containing substance on the surface of a carbon material; and 2) calcining to obtain the modified carbon material. The surface of the carbon material treated by the method is rich in nitrogen-containing functional groups and oxygen-containing functional groups, and thehydrophilicity, electrochemical activity and specific surface area of the carbon material are greatly improved. In addition, the loading amount of nitrogen and oxygen elements can be controlled by adjusting the dosage of formaldehyde-urea-melamine. The electrode has high specific surface area and high functional group content (such as oxygen-containing functional groups), and especially shows goodcatalytic activity to main redox pairs of vanadium ions, and the higher catalytic activity greatly reduces the polarization of the electrode.

The invention relates to a packaging method and structure of a chip. The method comprises the following steps of: 1, installing the chip in an independent chip lead frame or substrate; and 2, connecting one side of the obtained chip lead frame or substrate to an external packaging substrate. By using the packaging method and structure of the chip, the packaging deformation can be avoided, the packaging stability is high, the electric property is good, and the application scope is wide.

The invention discloses a frit composition which comprises a frit base material and filler, wherein the filler comprises a quasi-crystal material which accounts for 5-45wt% of the total weight of the filler. The frit composition, and the frit paste composition have negative thermal expansion coefficients, the thermal expansion coefficient of the frit can be reduced very well, so that the expansion coefficients of the frit and the base plate are further matched. Furthermore, a channel for discharging gross blow holes is provided and the compactness and adhesive strength of the frit composition are improved, so that the packaging yield is further improved and the OLED (Organic Light Emitting Diode) packaging stability is improved.

The invention provides a frit composition. The frit composition comprises a frit base material and a filler, wherein the filler is an isotropic negative thermal expansion material, and the mass of the isotropic negative thermal expansion material accounts for 5-30% of the total mass of the frit composition. The frit composition can reduce the thermal expansion coefficient of frit in order to be matched with a glass substrate, can uniformly adjust the overall thermal expansion coefficient in all directions, avoids the cracks caused by the stress between the frit and the glass substrate, and improves the yield of products.

The invention discloses a packing component, a packing method and a packed object. The packing component is suitable for packing floor fans, and comprises a first packing piece and a second packing piece which are detachably connected with each other, wherein a first mounting position and a second mounting position, which are matched with the base plate and the fan cover blade component of a floor fan in shape, are formed in the first packing piece and the second packing piece respectively, and are used for mounting of the base plate and the fan cover blade component respectively. As the first mounting position and the second mounting position are matched with the base plate and the fan cover blade component in shape, the circumferences of the base plate and the fan cover blade component can be fixed integrally, and the packing stability of the packing method is higher as compared with that of the conventional local clamping manner. According to the packing method, the base plate and the fan cover blade component are packed integrally, and then transferred integrally to the next working procedure for complete fan packing, so that the packing is simpler and faster.

The invention provides a sensor packaging structure capable of implanting clothes, a packaging method of the sensor packaging structure and intelligent clothing, and belongs to the technical field ofsensor packaging. The sensor packaging structure comprises a sensor packaging unit, a forming hot melt adhesive structure, a first conductive buckle an a signal outgoing line, wherein the forming thermal hot melt adhesive structure is used for covering the sensor packaging unit and sticking the sensor packaging unit to one side of a clothes cloth, and the first conductive snap joint is used for fixedly connecting the sensor packaging unit and the clothes cloth in a mechanical mode; the sensor packaging unit comprises a sensor, and a doubly-layer shielding outer shell arranged in the mode of totally covering the sensor; and one end of the signal outgoing line is connected with the a wiring pin of the sensor, the other end of the signal outgoing line is connected with the first conductive snap joint, and the first conductive snap joint is non-electrically connected with the double-layer shielding outer shell. According to the sensor packaging structure, the connecting stability between the sensor packaging structure and the clothes is great, the packaging effect is great, the signal shielding effect and signal collecting accuracy are improved, the waterproof performance is further improved, the service life is long, and the sensor packaging structure is not prone to falling off.

The invention relates to the field of agricultural machinery, aims to solve the problem that the distance from a bag opening to a bag bottom in the prior art is long, potatoes are quite easily damaged when dropping to the bag bottom due to gravity, and provides a potato packing device and a potato excavator. According to the potato packing device, a packing bag for packing the potatoes is placed on a carrying table in an implementing process; because the carrying table is slidably arranged in accommodating space to be close to or away from a feeding opening, in a using process, the carrying table is close to the feeding opening, the potatoes enter the packing bag which is close to the feeding opening via the feeding opening, and along with increasing of the potatoes in the packing bag, the carrying table drives the packing bag to be away from the feeding opening gradually until the packing bag is filled with the potatoes. The problem that the distance from the bag opening to the bag bottom is long, the potatoes are quite easily damaged when dropping to the bag bottom due to gravity can be avoided effectively, and the potato packing stability and the potato packing efficiency are improved. The potato excavator comprises the potato packing device, and therefore, the potato excavator has the beneficial effects.

The invention discloses a display panel and display equipment, the display panel comprises a light-emitting substrate and a dam, the light-emitting substrate defines a display area, a light-transmitting area and a light-transmitting packaging area, the light-transmitting area comprises at least one light-transmitting hole, and the light-transmitting packaging area is adjacent to the display area and arranged around the light-transmitting hole; the dam is arranged on the light-emitting substrate and located in the light-transmitting packaging area, the dam comprises a receding part and a firstend part arranged on the side, away from the light-emitting substrate, of the receding part, and the first end part at least partially covers the end part of the receding part. In this way, the packaging effect of the display panel can be improved.