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Poly-2-methylpropylene terephthalate as a rheology modifier to improve the process of polyethylene terephthalate
The invention provides a process for using poly(trimethylene terephthalate) as a rheology modifier to improve polyethylene terephthalate. By adding poly(trimethylene terephthalate) to polyethylene terephthalate, the invention can effectively reduce the shear viscosity of the polyethylene terephthalate melt and improve its rheological properties in the molten state. Meanwhile, poly(trimethylene terephthalate) and polyethylene terephthalate have good compatibility
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A salt-tolerant deep phosphorus removal agent and its preparation method
The invention discloses a salt-tolerant advanced phosphorus removal agent, which comprises the following components by mass: 80–95 parts of bentonite, 1–5 parts of shell powder or lime powder, 1–8 parts of iron filings and 4–20 parts of lanthanum chloride. Most components of the salt-tolerant advanced phosphorus removal agent are natural minerals with stable structures and
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A PA6 resin continuous polymerization process
A continuous polymerization process for PA6 resin comprises: heating, stirring and mixing caprolactam, water, a catalyst and a molecular weight regulator to obtain an auxiliary solution, which is sent to a storage tank and heated for heat preservation; mixing and preheating caprolactam and the auxiliary solution, then pumping the mixture into the top of a
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A kind of transparent nylon/sarin alloy material and its preparation method and application
The invention provides a transparent nylon/Surlyn alloy material, which comprises the following components in parts by weight: 100 parts of transparent nylon resin; 5–50 parts of Surlyn resin; 0.1–3 parts of N-ethyl p-toluenesulfonamide. By using Surlyn resin as a toughening agent, good toughness at room temperature and low temperature can be achieved, along with high
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A kind of thermoplastic elastomer composite material that is resistant to moisture and heat aging and its preparation method
The present application relates to the technical field of thermoplastic elastomer materials, in particular to a thermoplastic elastomer composite resistant to hot and humid aging and a preparation method thereof. The raw materials for preparation, in parts by weight, comprise: 40–60 parts of SEBS, 10–30 parts of SBS, 10–30 parts of polypropylene, 0–3 parts of
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Articles made from post-consumer resins with a smooth surface finish
The present disclosure provides a method. In one embodiment, the method comprises providing pellets of regrind material. The regrind material is a post-consumer recycled multilayer film (PCR multilayer film) having at least three layers. The PCR multilayer film is composed of (i) a polyethylene layer, (ii) a polyamide layer and (iii) a tie layer. The
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