2023.10

Polylactide Resin Dispersion

LANDY PL Series

LANDY PL Series are the water-based PLA dispersions that make easier
to use PLA resins.
■Properties
Product name

Average particle
diameter (μm)

PL-1005

PL-3000

Active Ingredients Viscosity

Ionicity

Minimum film formation
temperature (℃)※

500

Weak anion

160

1000

Weak anion

20(%)(mPa・s)

540

140※Minimum film formation temperature:Temperature that the film turns clear from white. (Dry by hot air -3minutes)
But depends on conditions.

■Character
You can adjust the coating thickness.
We use 100% biobased PLA resins.
*LANDY are a biodegradable & biobased plastics product certified by JBPA.
(Registration Number:PL-1005/1108 PL-3000/660)<Application example>
Adhesive:For civil engineering materials, sanitary materials, household goods, etc.
Coating:For wrapping paper, building materials, agricultural materials.

当社測定値であり、性能発現の保証しない■Physical properties●Cobb water absorption(Kraft paper)●Oil resistance(Castor oil)
Blank

Water absorption (g/m２)

30
PL-1005

25

PL-1005

PL-3000

Immediately
after dripping

PL-3000

2060 minutes
elapsed1510

24 hours
elapsed50120140160180200

After wiping(24h elapsed)

Press temperature(℃)
Conditions for making coated paper
Coating weight:30g/m2 (dry)Press pressure:0.3kg/cm2
Press time:3 minutes

Conditions for making coated paper
Coating weight:30g/m2 (dry)Press time:3 minutes
Press pressure:0.3kg/cm2
Heat temperature:180℃

Test method
JIS P-8140 Contact time (With water:1.75minutes)

Test method
Dropped caster oil on the LANDY coated paper, andvisually evaluated appearance over time.

■Adhesion●Peel Strength (Kraft Paper)

PL-1005

PL-3000●Tensile strength (Cypress）

Commercial adhesive(PVAc)

PL-1005
Adhesive strength(N/mm2)

Peel strength(N/m)

600
500
400
300200100080120140160

PL-3000

12

Commercial adhesive(PVAc)

1086420180

rt80140180

Heat treat temperature(℃)

Heat treat temperature(℃)
Test method JIS K-6854-3
Pull at 10mm/min, maximum value indicates peel strength.
■Coating weight:30g/m2 ■Adhesion between coated surfaces.

Test method
Stick 2 pieces of cypress(8×50mm) with dryer.
Pull at 5mm/min, maximum value indicates adhesive strength.
■Adhesion part:32mm2■Stick coated surface and uncoated surface.

■Film forming property
Samples
PL-1005
PL-1005:PL-3000=6:4
PL-1005:PL-3000=5:5
PL-1005:PL-3000=4:6
PL-1005:PL-3000=3:7
PL-1005:PL-3000=2:8
PL-3000

20××××〇〇〇

Evaluation:〇=Formed △=Partially formed

60××××〇〇〇Film forming test(℃)
708090100 110×××××××××△×××△△××△△〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇〇120×△〇〇〇〇〇160〇〇〇〇〇〇〇

×=Didn’t form ※The formation of the clear coating film was defined as film formation.

Test conditions ■Coating thickness:50μm ■Heating time:3minutes (dry) ■Base: Black paper■Correlation between storage temperature and molecular weight
PL-3000
Decrease rate of Mw (%)

Decrease rate of Mw (%)

PL-1005

Storage time (month)

●5℃
●10℃
●25℃
●40℃

Storage time (month)＊Measurement method:GPC■Cautions when using

There is a possibility that precipitate results since LANDY is PLA dispersions. Please stir before using.
Due to the composition of PLA, storage at high temperature promotes hydrolysis. Please store this at below 10
degrees Celsius.

Oleo ＆ Speciality Chemicals Divisionhttps://www.miyoshi-yushi.co.jp
・When handling products, please make full use of the Material Safety Data Sheet (SDS) issued by our company to prevent accidents
caused by chemical substances.
・The product data in this catalog is representative of measured values obtained under our test methods or specified conditions.