The present invention refers, in its generality, to a tubular reactor for homo or copolymerization of olefins, with one of more initiator injection devices. The invention also refers to an initiator device in a process fluid stream in a reactor polymerization reactor, and to a process for the production of polymers and copolymers of ethylene, particularly low density polymers (LDPE), that use the said device.

The invention relates to a method for the preparation of a polymerized CNSL composition, the method comprising subjecting a raw or technical CNSL to a heat treatment under reflux to obtain the polymerized CNSL composition, wherein the heat treatment is performed until the polymerized CNSL composition has a molecular weight M.sub.w of about 2800 to about 3700, such as from about 2900 to about 3600, or from about 3000 to about 3500 g/mol. The invention further relates to a polymerized CNSL composition, use of a polymerized CNSL composition according to the invention in a bitumen composition, a modified bitumen composition according to the invention and an asphalt composition comprising a modified bitumen composition according to the present invention.

The invention relates to a method for the preparation of a polymerized CNSL composition, the method comprising subjecting a raw or technical CNSL to a heat treatment under reflux to obtain the polymerized CNSL composition, wherein the heat treatment is performed until the polymerized CNSL composition has a molecular weight M.sub.w of about 2800 to about 3700, such as from about 2900 to about 3600, or from about 3000 to about 3500 g/mol. The invention further relates to a polymerized CNSL composition, use of a polymerized CNSL composition according to the invention in a bitumen composition, a modified bitumen composition according to the invention and an asphalt composition comprising a modified bitumen composition according to the present invention.

Stable organic peroxide compositions include at least one organic peroxide (e.g., tert-butyl hydroperoxide), at least one dye (e.g., an FD&C dye), and at least one alcohol (e.g., propylene glycol, tert-butanol, and/or glycerin).

Stable organic peroxide compositions include at least one organic peroxide (e.g., tert-butyl hydroperoxide), at least one dye (e.g., an FD&C dye), and at least one alcohol (e.g., propylene glycol, tert-butanol, and/or glycerin).

The present disclosure relates to a process for producing ethylene oligomers and more particularly, to a process for oligomerizing ethylene by recycling butene, hexene, and octene in an ethylene oligomerization reaction with a catalyst system including a transition metal or transition metal precursor, a ligand with a backbone structure expressed by the following Chemical Formula 1, and a co-catalyst. [Chemical Formula 1] R.sup.1OYOR.sup.2 or R.sup.1OC(O)YC(O)OR.sup.2 Herein, R.sup.1, R.sup.2 are each independently hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, or substituted heterohydrocarbyl, and Y represents a group connecting O or C(O)O and is hydrocarbyl, substituted hydrocarbyl, hetero hydrocarbyl, or substituted heterohydrocarbyl. According to the oligomerization method of the present disclosure, in the distribution of the produced -olefins, C10-C12 -olefins care highly distributed, the produced -olefins have a remarkably high purity.

The present disclosure relates to a process for producing ethylene oligomers and more particularly, to a process for oligomerizing ethylene by recycling butene, hexene, and octene in an ethylene oligomerization reaction with a catalyst system including a transition metal or transition metal precursor, a ligand with a backbone structure expressed by the following Chemical Formula 1, and a co-catalyst. [Chemical Formula 1] R.sup.1OYOR.sup.2 or R.sup.1OC(O)YC(O)OR.sup.2 Herein, R.sup.1, R.sup.2 are each independently hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, or substituted heterohydrocarbyl, and Y represents a group connecting O or C(O)O and is hydrocarbyl, substituted hydrocarbyl, hetero hydrocarbyl, or substituted heterohydrocarbyl. According to the oligomerization method of the present disclosure, in the distribution of the produced -olefins, C10-C12 -olefins care highly distributed, the produced -olefins have a remarkably high purity.

The present invention relates to the formation of compound of the formula (I) by reacting 2,3,6-trimethylhydroquinone or a protected derivative thereof with the unsaturated alcohol of formula (IIIa) or (IIIb) in the presence of Gd(OTf).sub.3 or Tm(OTf).sub.3 or Al(OTf).sub.3 or Y(OTf).sub.3 or Fe(OTf).sub.2 or camphorsulfonic acid or BiCl.sub.3 as acidic catalyst.

##STR00001##

The present invention relates to the formation of compound of the formula (I) by reacting 2,3,6-trimethylhydroquinone or a protected derivative thereof with the unsaturated alcohol of formula (IIIa) or (IIIb) in the presence of Gd(OTf).sub.3 or Tm(OTf).sub.3 or Al(OTf).sub.3 or Y(OTf).sub.3 or Fe(OTf).sub.2 or camphorsulfonic acid or BiCl.sub.3 as acidic catalyst.

##STR00001##

The present disclosure relates to a process for producing ethylene oligomers and more particularly, to a process for oligomerizing ethylene by recycling butene, hexene, and octene in an ethylene oligomerization reaction with a catalyst system including a transition metal or transition metal precursor, a ligand with a backbone structure expressed by the following Chemical Formula 1, and a co-catalyst. [Chemical Formula 1] R.sup.1OYOR.sup.2 or R.sup.1OC(O)YC(O)OR.sup.2 Herein, R.sup.1, R.sup.2 are each independently hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, or substituted heterohydrocarbyl, and Y represents a group connecting O or C(O)O and is hydrocarbyl, substituted hydrocarbyl, hetero hydrocarbyl, or substituted heterohydrocarbyl. According to the oligomerization method of the present disclosure, in the distribution of the produced -olefins, C10-C12 -olefins care highly distributed, the produced -olefins have a remarkably high purity.