Two biodegradable polylactid grades, i.e., PLA 3100HP (MFR: 24 g/10 min at 210 °C and 2.16 kg [17 ], Tmelt = 173 °C, 0.5% D-lactide content) and 3001D (MFR: 22 g/10 min at 210 °C and 2.16 kg [18 ], Tmelt = 168 °C, 1.5% D-lactide content), were purchased from Nature Works LLC., Plymouth, MN, USA. The materials were supplied in pellet form. The molar masses determined by SEC are similar for both materials.
Pla 3100hp
Manufactured by NatureWorks
Sourced in United States
PLA 3100HP is a high-performance polylactic acid (PLA) resin produced by NatureWorks. It is designed for use in industrial and laboratory applications that require high thermal stability and mechanical properties. The core function of PLA 3100HP is to provide a sustainable and biodegradable material option for various manufacturing processes.
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Lab products found in correlation
4 protocols using pla 3100hp
1
Biodegradable PLA Polymer Characterization
2
Nucleating Agents for Optimized PLA
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The materials used in this work were:
Poly(lactic) acid (PLA), trade name PLA 3100 HP, purchased from Natureworks LLC (Minneapolis, MN, USA). It is commercial-grade PLA (~0.3% of D content) derived from natural resources and designed for injection molding applications (density: 1.24 g/cm3; melt flow index (MFI) (210 °C/2.16 kg): 24 g/10 min, Mw = 148,250 g/mol).
Potassium salt of 3,5-bis(methoxycarbonyl)benzenesulfonate, trade name LAK-301, produced by Takemoto Oil & Fat (Minatomachi, Japan), is an aromatic sulphonate derivative nucleating agent. It appears as a whitish powder, with a specific gravity 1.668 g/cm3 and particle size around 10 μm.
Jetfine® 0.7 CA talc provided by IMERYS (Paris, France). It is an ultrafine-grind lamellar talc able to improve the nucleation in crystalline polymers. It appears as a very white powder, with specific gravity of 2.78 g/cm3 and medium particle size of 0.7 μm.
Socal® 312 calcium carbonate was also provided by IMERYS (Paris, France). It is an ultrafine, white and odorless, organic, surface coated and precipitated calcium carbonate. It is a powder with unique crystal size and shape (density: 2.71 g/cm3; particle diameter: 0.05–0.09 μm; surface area: 18 m2/g; coating content: 24–33 g/kg).
3
Extraction and Characterization of PLA
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Highly crystalline PLA 3100HP and amorphous PLA 4060D (both from NatureWorks LLC) were used after their physicochemical and thermal properties were authenticated (Table S1 , Supporting Information). PLA was sterilized by exposure to UV radiation for 30 min.[24 ] Afterward, breakdown products (extracts)[20 ] of PLA were obtained by suspending 4 g of PLA pellets in 25 mL of complete medium. Complete medium comprised of DMEM medium, 10% heat‐inactivated Fetal Bovine Serum, and 100 U mL−1 penicillin–streptomycin (all from ThermoFisher Scientific). PLA was extracted for 12 days in an orbital shaker at 250 rpm and 37 °C, after which extracts were decanted and the extract's pH measured. Either 100 or 150 µL of extract (specified in each figure legend) was used per well of a flat‐bottom 96‐well plate; each volume was made up to 200 µL, as the final volume, using a freshly made complete medium.
4
PLA Blends with Renewable Fillers and Nucleating Agents
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Click to copy section linkSection link copied! Materials PLA, Ingeo 3001D with approximately 95% of l-lactide content was purchased from NatureWorks LLC, USA. PLA 3100 HP with increased crystallizability was also purchased from NatureWorks LLC, USA. Polyether block amide (PEBA), Pebax Rnew 35R53 having renewable carbon content of 28â€"32% was purchased from Arkema Company. EMA-GMA terpolymer containing 8% of glycidyl methacrylate, commercially available as Lotader AX 8900 from Arkema Company, was obtained from Quadra Chemicals, Canada. Nucleating agents used are (1) aromatic sulfonate derivative (potassium salt of 5-dimethyl sulfoisothalate), commercially available as Lak-301 from Takemoto Oil & Fat Co., Japan, (2) magnesium oxysulfate, sold as HPR-803i by Milliken Chemical. Ltd., USA and (3) precipitated calcium carbonate sold by Specialty Minerals Inc., as Emforcebio. Miscanthus fibers were supplied by New Energy Farms, Leamington, ON, Canada. Polymers, nucleating agents and fiber will henceforward be abbreviated in the text and figures as noted: PLA 3001D as PLA1; PLA 3100HP that is said to contain about 1% of Lak-301 as PLA2 and blends containing these PLAs will be referred to as PLA1 blend and PLA2 blend. Miscanthus will be abbreviated as MS, Lak-301 as Lak, HPR-803i as HPR and Emforcebio as Emf. At a few places for brevity, nucleating agents will be abbreviated as NA.
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