The present invention provides a self-emulsification type emulsion exhibiting excellent adhesion to olefin-based base materials such as polyethylene and polypropylene without using an emulsifier. The self-emulsification type emulsion of the present invention comprises a tackifier and a modified polypropylene resin having an anionic functional group, and satisfies (1) and (2) given below:

(1) the modified polypropylene resin having an anionic functional group is dispersed in water in the absence of an emulsifier, and
(2) a dispersion particle comprising the modified polypropylene resin having an anionic functional group surrounds the tackifier.

Method for manufacturing a composite material comprising a polymer and nanomaterials, the method comprising the following steps: dissolution of the polymer in a first solvent, whereby a first solution is obtained, dispersion of the nanomaterials in a second solvent, different from the first solvent, whereby a second solution is obtained, mixing of the two solutions, whereby a third solution is obtained, heating of the third solution so as to evaporate the second solvent, whereby a final solution is obtained, deposition of the final solution on a substrate and evaporation of the first solvent, the second solvent having a boiling point lower by at least 30° C. than that of the first solvent, and the viscosity of the final solution being equal to some 10% of the viscosity of the first solution.

Method for manufacturing a composite material comprising a polymer and nanomaterials, the method comprising the following steps: dissolution of the polymer in a first solvent, whereby a first solution is obtained, dispersion of the nanomaterials in a second solvent, different from the first solvent, whereby a second solution is obtained, mixing of the two solutions, whereby a third solution is obtained, heating of the third solution so as to evaporate the second solvent, whereby a final solution is obtained, deposition of the final solution on a substrate and evaporation of the first solvent, the second solvent having a boiling point lower by at least 30° C. than that of the first solvent, and the viscosity of the final solution being equal to some 10% of the viscosity of the first solution.

A method for producing nano-composites comprising graphitic carbon nitride reduced to nano size, having high electrical conductivity is provided. The method includes the steps of: producing graphitic carbon nitride (g-C.sub.3N.sub.4) having a chemical formula (C.sub.3N.sub.4).sub.m, applying an obtained g-C.sub.3N.sub.4 powder via an ultrasonic homogenization method on concentrations, obtaining a nano g-C.sub.3N.sub.4 suspension, wherein a size of the nano g-C.sub.3N.sub.4 suspension changes between 10-100 nm as a result of applying the ultrasonic homogenization method, obtaining polyaniline with a chemical formula (C.sub.6H.sub.7N).sub.n in an emeraldine salt form, obtaining a nano-composite, mixing in aniline or aniline-HCl water at concentrations of 0.1-1 mol/L, adding a nano graphitic carbon (nano g-C.sub.3N.sub.4) into a mixture and mixing between 10-60 minutes, carrying out a polymerization process by adding an oxidant to the mixture and obtaining the nano composite having the high electrical conductivity.

A method for producing nano-composites comprising graphitic carbon nitride reduced to nano size, having high electrical conductivity is provided. The method includes the steps of: producing graphitic carbon nitride (g-C.sub.3N.sub.4) having a chemical formula (C.sub.3N.sub.4).sub.m, applying an obtained g-C.sub.3N.sub.4 powder via an ultrasonic homogenization method on concentrations, obtaining a nano g-C.sub.3N.sub.4 suspension, wherein a size of the nano g-C.sub.3N.sub.4 suspension changes between 10-100 nm as a result of applying the ultrasonic homogenization method, obtaining polyaniline with a chemical formula (C.sub.6H.sub.7N).sub.n in an emeraldine salt form, obtaining a nano-composite, mixing in aniline or aniline-HCl water at concentrations of 0.1-1 mol/L, adding a nano graphitic carbon (nano g-C.sub.3N.sub.4) into a mixture and mixing between 10-60 minutes, carrying out a polymerization process by adding an oxidant to the mixture and obtaining the nano composite having the high electrical conductivity.

The present disclosure provides a copper nanowire composition. The a copper nanowire composition includes copper nanowire having associated alkylamine ligands with the structure HNR.sup.1R.sup.2. where R.sup.1 and R.sup.2 are independently hydrogen, alkyl or arylalkyl groups. The copper nanowire has an aspect ratio of at least 10. The associated alkylamine ligand is NR.sup.1R.sup.2 which contains at least 12 carbon atoms.

The present disclosure provides a copper nanowire composition. The a copper nanowire composition includes copper nanowire having associated alkylamine ligands with the structure HNR.sup.1R.sup.2. where R.sup.1 and R.sup.2 are independently hydrogen, alkyl or arylalkyl groups. The copper nanowire has an aspect ratio of at least 10. The associated alkylamine ligand is NR.sup.1R.sup.2 which contains at least 12 carbon atoms.

A graphene dispersion includes a graphene and a polyol compound selected from the group consisting of an aromatic polyol represented by Formula (I), and a modified aromatic polyol made by subjecting the aromatic polyol represented by Formula (I) and an epoxidized vegetable oil to a ring opening reaction,

##STR00001## wherein p and q are independently integers ranging from 1 to 20. A method for preparing the graphene dispersion, a composition for preparing a polyurethane composite material, and a polyurethane composite material made from the composition are also disclosed.

A graphene dispersion includes a graphene and a polyol compound selected from the group consisting of an aromatic polyol represented by Formula (I), and a modified aromatic polyol made by subjecting the aromatic polyol represented by Formula (I) and an epoxidized vegetable oil to a ring opening reaction,

##STR00001## wherein p and q are independently integers ranging from 1 to 20. A method for preparing the graphene dispersion, a composition for preparing a polyurethane composite material, and a polyurethane composite material made from the composition are also disclosed.

The present invention provides a polymer film on array (PFA) material and a preparation method thereof. The PFA material includes a polymer film on array (PFA) resin, a polysiloxane resin dispersion liquid, and a solvent, wherein the PFA resin ranges from 1 to 25% by weight relative to a total weight of the PFA material, and the polysiloxane resin dispersion liquid ranges from 1 to 30% by weight relative to a total weight of the PFA material.