摘要:
An object of the present disclosure is to provide an insulating film or dielectric film comprising a fluoropolymer and having electrical insulation and hardness. The present disclosure relates to an insulating film or dielectric film comprising a fluoropolymer, wherein the fluoropolymer comprises, as a main component, a monomer unit represented by formula (1):
wherein R 1 to R 4 are each independently a fluorine atom, a fluoroalkyl group, or a fluoroalkoxy group.
摘要:
Provided is a composition having excellent compatibility with a fluorine-free epoxy resin even though the composition contains a fluorine-containing epoxy resin. The composition contains: a compound (D) represented by the following formula (D):
wherein m is an integer of 0 to 6; p is 0 or 1; q is an integer of 0 to 6; Rf is a C1-C8 perfluoroalkyl group optionally containing oxygen with one fluorine atom being optionally replaced by a hydrogen atom, and a compound (E) represented by the following formula (E):
wherein n is an integer of 0 or greater; and M is a group represented by the following formula (E1):
a group represented by the following formula (E2):
or a group represented by the following formula (E3):
wherein Z is hydrogen or a C1-C10 fluoroalkyl group.
摘要:
Provided is a water repellent composition which imparts excellent water repellency to a substrate, such as a fiber. The water repellent composition comprises: (A) water repellent particles in which the number of surface alkyl groups on the water repellent particles is 600×10 18 -50,000×10 18 per 1 g of water repellent particles; (B) a water-repellent resin which is a polymer having a long-chain C 7-40 hydrocarbon group; and (C) a liquid medium. The water-repellent particles preferably have an average primary particle size of 1-100 nm.
摘要:
The invention provides a hydrophilizing agent which is to be added to a polymer having a large contact angle to produce a porous polymer film that has a small contact angle and that can maintain this small contact angle even after 168-hour contact with an aqueous sodium hypochlorite solution. The hydrophilizing agent contains a fluoropolymer having a contact angle of 50° or smaller and a weight reduction rate of 7% or lower.
摘要:
The present invention aims to provide a porous polymer membrane that is excellent not only in water permeability and alkali resistance but also in mechanical strength. The porous polymer membrane of the present invention includes a fluoropolymer (A) that includes a vinylidene fluoride unit and a tetrafluoroethylene unit.
摘要:
Provided are a housing for a livestock sensor capable of constituting a livestock sensor that has excellent corrosion resistance, has a small size, and can easily be administered orally to livestock, and a livestock sensor including the same. The disclosure relates to a housing for a livestock sensor, the housing including a metal housing including a metal surface covered with a thermoplastic resin.
摘要:
Provided is an organic fine particle comprising a core polymer and a shell polymer, wherein the core polymer has a Tg or a melting point of 15°C or more, the core polymer has a water contact angle of 100° or more, all monofunctional monomers constituting the core polymer are a hydrophobic core monomer of which homopolymer has a water contact angle of 100° or more, the shell polymer has a Tg or a melting point lower than Tg or the melting point of the core polymer, the shell polymer has a water contact angle of less than 100°, and all monofunctional monomers constituting the shell polymer are a water-insoluble shell monomer of which homopolymer is water-insoluble, which can impart excellent water-repellency to a substrate.
摘要:
The disclosure provides a method for producing hollow fine particles containing a fluorine-containing resin and having a large average particle size. The method for producing hollow fine particles containing a fluorine-containing resin includes a step A of providing hollow fine particles by dispersing a solution containing a fluorine-containing monomer, an oil-soluble initiator, and a non-polymerizable solvent in water containing a fluorine-containing surfactant and thereby polymerizing the fluorine-containing monomer.
摘要:
Provided is a fluorine-containing epoxy resin for an electronic component, having a low permittivity and a low dissipation factor as well as a small coefficient of linear expansion. The fluorine-containing epoxy resin for an electronic component is represented by the following formula (E) wherein n is an integer of 0 or greater, an average value of n is 0.18 or smaller, and M is a group represented by the following formula (E1), a group represented by the following formula (E2), or a group represented by the following formula (E3) wherein Z is hydrogen or a C2-C10 fluoroalkyl group. The formula (E) being