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Polypropylene-polylactic acid resin composition

A polypropylene resin, polylactic acid resin technology, applied in the field of polypropylene/polylactic acid resin composition, can solve the problem of no heat deflection temperature and the like

Inactive Publication Date: 2014-03-26
SAMSUNG TOTAL PETROCHEMICALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no description of the heat deflection temperature

Method used

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  • Polypropylene-polylactic acid resin composition
  • Polypropylene-polylactic acid resin composition
  • Polypropylene-polylactic acid resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5 and comparative Embodiment 1-4

[0060] After the polypropylene / polylactic acid resin composition was prepared by mixing the components listed in Table 1 below, it was subjected to extrusion of a twin-screw extruder having an L / D of 40 and a diameter of 30 mm in a temperature range between 170° C. and 220° C. Extruded, and the resulting extruded product prepared in the form of pellets.

[0061] Evaluation of Physical Properties

[0062] The pellets prepared by the methods in the above-mentioned Examples 1 to 5 and Comparative Examples 1 to 4 were dried at 80°C for 4 hours, and injection molded by using an injection molding machine (TOYO) having a molding capacity of 180 tons according to ASTM standards Processing, thereby obtaining the injection product whose physical properties are to be evaluated. Evaluation of physical properties was determined by the following methods, and the results are shown in Table 2.

[0063] 1) Tensile strength: Measured according to ASTM D638.

[0064] 2) Flexural modulus: me...

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Abstract

Provided is a polypropylene / polylactic acid resin composition comprising a polypropylene resin, a polylactic acid resin, a reactive compatibilizer, optionally an impact modifier and an inorganic filler, having excellent heat resistance, impact resistance and flexural modulus.

Description

technical field [0001] The present invention relates to a polypropylene resin composition comprising polylactic acid resin (hereinafter referred to as "polypropylene / polylactic acid resin composition"), in particular to a composition comprising polypropylene resin, polylactic acid resin, reactive compatibilizer, optional impact Polypropylene / polylactic acid resin composition of modifier and inorganic filler, which has excellent heat resistance, impact resistance and flexural modulus. Background technique [0002] As the problem of oil depletion or global warming grows, control of greenhouse gas emissions including carbon dioxide becomes imperative. In this regard, the search for eco-friendly resins from biomass has been established in order to replace polymeric materials, eg, from oil resources. [0003] Among those eco-friendly resins, polylactic acid is an aliphatic polyester prepared by polymerization of lactic acid from the fermentation of cornstarch. Polylactic acid i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L53/00C08L67/04
CPCC08L23/12C08L53/00C08L2205/08C08L2201/08C08L2205/035C08L2205/05C08L2205/03C08L67/04C08L51/06C08L23/0815C08K3/34C08L33/00C08L23/142C08L23/06C08L23/10C08K5/3415C08K3/00
Inventor 郑镇成李度勋李泳周
Owner SAMSUNG TOTAL PETROCHEMICALS CO LTD