A weatherstrip manufacturing method is a method for manufacturing a weatherstrip which includes a trim portion where an insert is embedded. The insert includes short connecting portions that connect strips at substantially regular intervals, and a long connecting portion having a larger length than each length of the short connecting portions. The method includes an extrusion molding step for covering the insert with a polymer material, a cut-off portion forming step for cutting off a part of a long interval portion including the long connecting portion in the long interval portion where the long connecting portion is embedded to form a cut-off portion, and a cutting step for cutting the cut-off portion in a crossing direction orthogonal to a longitudinal direction to divide the weatherstrip in the longitudinal direction.

An object of the present disclosure is to provide a rubber composition from which a sheet conveyance roller having an excellent friction coefficient can be produced. The present disclosure provides a sheet conveyance roller rubber composition containing a base rubber and a petroleum resin, wherein the base rubber contains an ethylene--olefin copolymer. The sheet conveyance roller rubber composition is preferably obtained by kneading the petroleum resin and the base rubber containing the ethylene--olefin copolymer at a temperature equal to or higher than a softening point of the petroleum resin.

The present invention provides a process for recycling propylene-ethylene copolymers to obtain polymers having good optical and mechanical properties, as well as good processability. The invention further provides propylene-ethylene copolymer pellets obtained from the process, articles comprising or consisting of such pellets and the use of the propylene-ethylene copolymer pellets for injection molding applications. The process comprising the steps of (a) polymerizing propylene and ethylene in the presence of a single site catalyst in a continuous polymerization reactor under dynamic conditions, (b) collecting the resulting propylene-ethylene copolymer powders from step (a) to obtain a mixture (M) of propylene-ethylene copolymer powders having a MFR.sub.2 (ISO 1133, 230 C., 2.16 kg) in a raffle of from 1.5 to 80.0 g/ 10 min and an ethylene content in a range of from 1.0 to 4.0 wt. % based on the total weight of the mixture (M), (c) compounding said mixture (M) in an extruder in the presence of a radical initiator, and a clarifying agent in an amount of from 0.01 to 1.0 wt. %, based on the total weight of the mixture of propylene-ethylene copolymer powders, and (d) extruding the above mixture into pellets; wherein, in step a), the dynamic conditions are such that the ethylene content and the melt flow rate (MFR.sub.2) of the resulting copolymer gradually changes from a first predetermined ethylene content, E1, to a second predetermined ethylene content, E2, and from a first predetermined melt flow rate, MFR.sub.2-1, to a second predetermined melt flow rate, MFR.sub.2-2; wherein collecting the copolymer powders in step b) is started when the polymer produced in step a) has a first ethylene content, E1, and a melt flow rate MFR.sub.2-1, and collecting the copolymer powders in step b) is stopped when the polymer produced in step a) has a second ethylene content, E2, and a melt flow rate MFR.sub.2-2; and wherein said pellets obtained in step d) have (i) a MFR.sub.2 (ISO 1133, 230 C., 2.16 kg) in the range of from 20 to 120 g/10 in, (ii) a ratio of MFR.sub.2 pellets/MFR.sub.2 powder>1, (iii) an ethylene content in a range of from 1.0 to 4.0 wt %, (iv) a crystallization temperature Tc, determined by DSC according to ISO 11357-3:1999 in the range of from 100 to 125 C., and (v) a flexural modulus, determined in a 3-point-bending according to ISO 178 on injection molded specimens of 80104 mm, prepared in accordance with EN ISO 1873-2, of 850 MPa or more.

The invention pertains to a connecting element (1) for connecting a pipe end (2) to a component (3) of an air-conditioning system, wherein said connecting element comprises a base body (4) with a passage opening (5) for conveying through a refrigerant, a receptacle bore (6) for receiving the pipe end (2), wherein the receptacle bore (6) is arranged on a face side (7) of the base body (4) and corresponds to the passage bore (5), as well as a connection piece (8) that is arranged on the other face side (9) of the base body (4) and corresponds to the passage bore (5) on this side, wherein the connection piece (8) and the base body (4) consist of the same material and are realized in one piece, wherein at least one sealing element (12, 13) is arranged on the connection piece (8), and wherein the sealing element (12, 13) and the connection piece (8) are realized in one piece, as well as to a method for manufacturing such a connecting element.

The present invention relates to a method for interconnecting components of a sporting good, in particular a sports shoe, and a sports shoe manufactured with such a method. The method may include (a.) forming a pattern element having at least one removable at least partially non-transparent or non-reflective portion, (b.) irradiating at least one of the first and the second component via the pattern element with heat radiation and (c.) interconnecting the irradiated first and second component.

The present invention relates to a method for interconnecting components of a sporting good, in particular a sports shoe, and a sports shoe manufactured with such a method. The method may include (a.) forming a pattern element having at least one removable at least partially non-transparent or non-reflective portion, (b.) irradiating at least one of the first and the second component via the pattern element with heat radiation and (c.) interconnecting the irradiated first and second component.

A method of making a storage bag comprising the following steps performed in any order: (a) forming a composite tube having an inner surface comprising a higher melting polymer, an outer surface comprising a lower melting polymer, two ends, and a diameter; (b) flattening the tube in a direction perpendicular to the diameter; (c) forming a joint at one of the ends at a temperature between respective melting points of the higher melting polymer and the lower melting polymer; (d) providing a composite sheet having a first side comprising a higher melting polymer and a second side comprising a lower melting polymer; and (e) disposing the composite sheet over the joint such that the first side comprising a lower melting polymer engages the joint and forming a lap seam over the joint at a temperature between respective melting points of the higher melting polymer and the lower melting polymer, and a storage bag made by such method.

A method of making a storage bag comprising the following steps performed in any order: (a) forming a composite tube having an inner surface comprising a higher melting polymer, an outer surface comprising a lower melting polymer, two ends, and a diameter; (b) flattening the tube in a direction perpendicular to the diameter; (c) forming a joint at one of the ends at a temperature between respective melting points of the higher melting polymer and the lower melting polymer; (d) providing a composite sheet having a first side comprising a higher melting polymer and a second side comprising a lower melting polymer; and (e) disposing the composite sheet over the joint such that the first side comprising a lower melting polymer engages the joint and forming a lap seam over the joint at a temperature between respective melting points of the higher melting polymer and the lower melting polymer, and a storage bag made by such method.

Injection molded articles having improved scratch resistance and reduced gloss change after heat and UV aging are disclosed. The article is formed from a molding composition having a melt flow index of 50-350 g/10 (230 C., 2.16 kg) as measured by ASTM D1238-04, the composition consisting essentially of: a) 15-80 wt. % of a hydrogenated styrenic block copolymer having a melt index of at least 12 grams/10 minutes according to ASTM D1238 at 230 C. and 2.16 kg weight; b) 10-60 wt. % of a polypropylene having a melt flow index greater than 300 g/10 min, measured under 230 C./2.16 kg according to ISO 1133-1; and c) 5-25 wt. % of a thermoplastic vulcanizate having a Shore A hardness from 60-90 (15 sec, 23 C.) as measured according to ISO 868. The article has a gloss increase after 10 days of aging at 120 C. of less than 100%, relative to an initial gloss, as determined by PSA D47 1850.

A membrane composite comprising an olefinic membrane core having first and second planar surfaces, a first silicone coating layer disposed on the first planar surface, and a second silicone coating layer disposed on the second planar surface.