Polycaprolactone polyol PCL

Perstorp PCL Capa® polycaprolactone polyol series

CAPA® Polycaprolactone Polyol

CAPA® polyols are polyester polyols suitable for use in polyurethane elastomers and coating systems. Products produced with CAPA® have excellent physical properties, exceptional hydrolysis resistance and low temperature flexibility. Advantages such as consistent reactivity, low viscosity, high purity and ease of processing are even more apparent when using CAPA® for polyurethane production.

Premium Specifications：

We can enhance the physical properties of standard CAPA® as follows:

A- Indicates enhanced stability against hydrolysis

D- Indicates reduced haze, low viscosity.

P- means low viscosity and improved reactivity.

Our commercialized premium grades of CAPA® are listed in the table below.

Copolymers: We can also produce block copolymers such as caprolactone and other OH terminal polyols such as polyethers to copolymerize to achieve dual physical properties. Our current copolymers of CAPA and PTMEG are commercialized and specially designed to produce high-grade microfoamed products.
Carboxyl group-containing polyols: These are newly developed polyols that are supplied to customers for the production of water-based polyurethanes, such as water-based adhesives. And the initiator DMPA polyol has a carboxyl group, so it can enhance the dispersibility of the resin in water.
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type	Specifications CAPA®	Appearance (room temperature)	starter	molecular weight	OH value (mg KOH/g)	Acid value (mg KOH/g)	Viscosity (mPa.s, @60℃)	Melting point(℃)
Standard diols (difunctional)	2054	Colorless liquid or white paste	DEG	500	204	<0.5	60	18-23
	2100	soft white paste	NPG	1000	112	<0.5	150	30-40
	2125	white waxy solid	DEG	1250	90	<0.5	175	35-45
	2200	white waxy solid	NPG	2000	56	<0.5	480	40-50
	2201	white waxy solid	NPG	2000	56	<0.5	480	40-50
	2302	white waxy solid	BDO	3000	37	<0.5	1100	50-60
	2402	white waxy solid	BDO	4000	28	<0.5	1670	55-60
Premium diol	2100A		NPG	1000	112	<0.1	150	30-40
	2101A		NPG	1000	112	<0.1	150	30-40
	2125A		DEG	1250	90	<0.1	175	35-45
	2200A		NPG	2000	56	<0.1	480	40-50
	2201A		NPG	2000	56	<0.1	385	40-50
	2302A		BDO	3000	37	<0.1	1100	50-60
Triol (trifunctional)	3022	light yellow solid	DEG/G	240	540	<1	40	—
	3031	clear, viscous liquid	TMP	300	560	<1	70	0-10
	3050	colorless solid	TMP	540	310	0.5	160	0-10
	3201	soft waxy	TMP	2000	84	<0.5	355	40-50
Tetrahydric alcohols (tetrafunctional)	4101	Clear liquid@20℃	P-E	1000	218	<1	260	10-20
Heptafunctional copolymer	7201A	soft waxy	PTMEG	2000	56	<0.1	315	30-35
Carboxyl-functional polymers	HC1060	Soft white waxy solid	DMPA	600	180	<90	545	35-40
	HC1100	white waxy solid	DMPA	1000	110	<60	610	40-45
	HC1200	Hard white waxy solid	DMPA	2000	56	<30	940	45-50