Provided are methods for forming a rigid cable harness. An example method includes providing a curable sleeve comprising a curable compound, an adhesive, and a backing; wherein the curable adhesive tape has a longitudinal direction. The method further includes placing a plurality of cables on the sleeve in the longitudinal direction and wrapping the curable sleeve around the placed plurality of cables to form a cable harness, wherein the wrapping comprises wrapping the plurality of cables with the curable sleeve in the longitudinal direction. The method additionally includes positioning the cable harness into a desired shape and curing the curable compound of the cable harness to form the rigid cable harness, wherein the rigid cable harness has the desired shape.

The invention provides a laminate in which a fluororesin layer and a rubber layer are firmly bonded to each other and the fluororesin layer has low fuel permeability and is less likely to suffer solvent cracking. The laminate includes a rubber layer (A) and a fluororesin layer (B). The fluororesin layer (B) contains a copolymer containing a chlorotrifluoroethylene unit, a tetrafluoroethylene unit, and a perfluoroalkyl vinyl ether unit. The copolymer contains 96.0 to 97.4 mol % of the chlorotrifluoroethylene unit and the tetrafluoroethylene unit relative to all the monomer units constituting the copolymer and 2.6 to 4.0 mol % of the perfluoroalkyl vinyl ether unit relative to all the monomer units constituting the copolymer.

A laminate includes a metal substrate and a sliding layer overlying the metal substrate. The sliding layer can include a polymer fabric. The polymer fabric can include first polymer P1. The sliding layer can further included a melt-processable matrix polymer. The melt-processable matrix polymer can include a second polymer P2. In embodiments, either P1 or P2 is a fluoropolymer. The sliding layer can further include a filler. In embodiments, the total amount of fluoropolymer and filler in the sliding layer is at least 30 vol %.

Example implementations relate to metal fluoropolymer composites. In an example, a metal fluoropolymer composite includes a metal substrate including an opening in a face of the metal substrate, a porous fluoropolymer layer disposed on the face of the metal substrate and overlaying the opening, and a fabric layer disposed on the porous fluoropolymer layer, where the metal fluoropolymer composites is permeable to air but impermeable to liquid water.

Provided are methods for forming a rigid cable harness. An example method includes providing a curable sleeve comprising a curable compound, an adhesive, and a backing; wherein the curable adhesive tape has a longitudinal direction. The method further includes placing a plurality of cables on the sleeve in the longitudinal direction and wrapping the curable sleeve around the placed plurality of cables to form a cable harness, wherein the wrapping comprises wrapping the plurality of cables with the curable sleeve in the longitudinal direction. The method additionally includes positioning the cable harness into a desired shape and curing the curable compound of the cable harness to form the rigid cable harness, wherein the rigid cable harness has the desired shape.

The present disclosure provides a polymer matrix composite, and a laminate, a prepreg and a printed circuit board using the same. The polymer matrix composite includes a polymeric resin and a non-woven reinforcing material having a dielectric constant of from about 1.5 to about 4.8 and a dissipation factor at 10 GHz below 0.003. The printed circuit board uses the laminate including the polymer matrix as a core layer which is sandwiched between at least two outer layers.

A multilayer tube is provided which includes a layer including a specific aliphatic polyamide composition and a layer including a semi-aromatic polyamide composition including a semi-aromatic polyamide with a specific structure, these layers being adjacent to each other, wherein the aliphatic polyamide composition includes an aliphatic polyamide having a specific ratio of the number of methylene groups to the number of amide groups, a polyamide having a specific difference in absolute value of solubility parameter SP from the aliphatic polyamide, and an elastomer polymer including a structural unit derived from an unsaturated compound having a carboxyl group and/or an acid anhydride group.

There is provided a method of producing a copper clad laminate having a copper foil and a resin bonded at high adhesive force despite the use of a thermoplastic resin having a low dielectric constant. This method includes the steps of: providing a roughened copper foil having at least one roughened surface having fine irregularities composed of acicular crystals containing cupric oxide and cuprous oxide; and bonding a sheet-shaped thermoplastic resin to the roughened surface of the roughened copper foil to provide a copper clad laminate. The roughened surface has a cupric oxide thickness of 1 to 20 nm and a cuprous oxide thickness of 15 to 70 nm, both determined by sequential electrochemical reduction analysis (SERA) at the time of bonding the thermoplastic resin.

The invention relates to a method for producing a bobbin and a bobbin. The bobbin includes a plurality of windings of a continuous laminated sheet having at least one layer of alkaloids containing material and at least one layer of a first protective material. The at least one layer of alkaloids containing material and the at least one layer of a first protective material define an adhesion surface between them. The first protective material is selected from polypropylene, polyethylene, polytetrafluoroethylene, polyester, or paper.

Disclosed herein are laminates including a textile layer that is elastic and including a meltable material; a barrier layer, and an intermediate layer located between the textile layer and the barrier layer, the intermediate layer including a heat reactive material, wherein the heat reactive material includes a polymer resin-expandable graphite mixture of a polymer resin and an expandable graphite, the expandable graphite having an expansion of at least 900 pm at 280? C., and wherein the laminate is configured to be stretched an amount of at least 10% by a stretching force and to recover at least 80% of the amount stretched when the stretching force is released. The barrier layer may have less than 5% elasticity and may be defined a corrugated structure within the laminate.